論文発表
年度
2022 / 2021 / 2020 / 2019 / 2018 / 2017 / 2016 / 2015 / 2014 / 2013 / 2012 / 2011 / 2010 / 2009 / 2008 / 2007 / 2006 / 2005 / 2004 / 2003 / 2002
カテゴリー
●スピンダイナミクス ●スピン流 ●スピン移行 ●スピン操作 ●スピン源 ●理論計算 ●その他
2022
- ● J. Kim, & Y. Otani,
"Orbital angular momentum for spintronics",
J. Magn. Magn. Mater. 563, 169974 (2022). - ●● Y. Hwang, J. Puebla, K. Kondou, & Y. Otani,
"Voltage signals caused by surface acoustic wave driven ferromagnetic resonance under out-of-plane external fields",
Adv. Mater. Interfaces 2022, 2201432 (2022). - ● T. Yokouchi, S. Sugimoto, B. Rana, S. Seki, N. Ogawa, Y. Shiomi, S. Kasai, & Y. Otani,
"Pattern recognition with neuromorphic computing using magnetic field–induced dynamics of skyrmions",
Sci. Adv. 8, abq5652 (2022). - ● H. Isshiki, Z. Zhu, H. Mizuno, R. Uesugi, T. Higo, S. Nakatsuji, Y. Otani
"Determination of spin Hall angle in the Weyl ferromagnet Co2MnGa by taking into account the thermoelectric contributions",
Phys.Rev.Materials 6, 084411(2022). - ● T. P. Lyons, D. J. Gillard, C. Leblanc, J. Puebla, D. D. Solnyshkov, L. Klompmaker, I. A. Akimov, C. Louca, P. Muduli, A. Genco, M. Bayer, Y. Otani, G. Malpuech, & A. I. Tartakovskii,
"Giant effective Zeeman splitting in a monolayer semiconductor realized by spin-selective strong light-matter coupling",
Nature Photonics 16, 632 (2022). - ●● T. Higo, K. Kondou, T. Nomoto, M. Shiga, S. Sakamoto, X. Chen, D. Nishio-Hamane, R. Arita, Y. Otani, S. Miwa, & S. Nakatsuji,
"Perpendicular full switching of chiral antiferromagnetic order by current",
Nature 607, 474 (2022). - ● A. Deka, B. Rana, R. Anami, K. Miura, H. Takahashi, Y. Otani, & Y. Fukuma,
"Electric field induced parametric excitation of exchange magnons in a CoFeB/MgO junction",
Phys. Rev. Research 4, 023139 (2022). - ● J. Puebla, Y. Hwang, S. Maekawa, & Y. Otani,
"Perspectives on spintronics with surface acoustic waves",
Appl. Phys. Lett. 120, 220502 (2022). - ●● K. Kondou, M. Shiga, S. Sakamoto, H. Inuzuka, A. Nihonyanagi, F. Araoka, M. Kobayashi, S. Miwa, D. Miyajima, & Y. Otani,
"Chirality-induced magnetoresistance due to thermally driven spin polarization",
J. Am. Chem. Soc. 144, 7302 (2022). - ● L. Liao, F. Xue, L. Han, J. Kim, R. Zhang, L. Li, J. Liu, X. Kou, C. Song, F. Pan, & Y. Otani,
"Efficient orbital torque in poycrystalline ferromagnetic-metal/Ru/Al2O3 stacks:Theory and experiment",
Phys. Rev. B 105, 104434 (2022). - ●●K. Zhang, L. Chen, Y. Zhang, B. Hong, Y. He, K. Lin, Zhizhong Zhang, Zhenyi Zheng, X. Feng, Youguang Zhang, Y. Otani, & W. Zhao,
"Efficient and controllable magnetization switching induced by intermixing-enhanced bulk spin–orbit torque in ferromagnetic multilayers",
Appl. Phys. Rev. 9, 011407 (2022). - ●K. Yamamoto, M. Xu, J. Puebla, Y. Otani, & S. Maekawa,
"Interaction between surface acoustic waves and spin waves in a ferromagnetic thin films",
J. Magn. Magn. Mater. 545, 168672 (2022).
2021
-
●H. Mizuno, H. Isshiki, K. Kondou, Y. Zhu, & Y. Otani,
"Influence of planar Hall effect on the output signal in a T-shaped spin conversion device",
Appl. Phys. Lett. 119, 092401 (2021). -
●●H. Tsai, T. Higo, K. Kondou, S. Sakamoto, A. Kobayashi, T. Matsuo, S. Miwa, Y. Otani, & S. Nakatsuji,
"Large Hall signal due to electrical switching of an antiferromagnetic Weyl semimetal state",
Small Sci. 1, 2000025 (2021). -
●●H. Tsai, T. Higo, K. Kondou, A. Kobayashi, T. Nakano, K. Yakushiji, S. Miwa, Y. Otani, & S. Nakatsuji,
"Spin-orbit torque switching of the antiferromagnetic state in polycrystalline Mn3Sn/Cu/heavy metal heterostructures",
AIP Advances 11, 045110 (2021). -
●T. Higo, Y. Li, K. Kondou, D. Qu, M. Ikhlas, R. Uesugi, D. Nishio-Hamane, C. L. Chien, Y. Otani, & S. Nakatsuji,
"Omnidirectional control of large electrical output in a topological antiferromagnet",
Adv. Funct. Mater. 2021, 2008971 (2021). -
●S. Sahoo, S. N. Panda, S. Barman, Y. Otani, & A. Barman,
"Nanochannels for spin-wave manipulation in Ni80Fe20 nanodot arrays",
J. Magn. Magn. Mater. 522, 167550 (2021). -
●Y. Otani, & T. Higo,
"Domain structure and domain wall dynamics in topological chiral antiferromagnets from the viewpoint of magnetic octupole",
Appl. Phys. Lett. 118, 040501 (2021). -
●J. Kim, D Go, H. Tsai, D. Jo, K. Kondou, H-W Lee, & Y. Otani,
"Nontrivial torque generation by orbital angular momentum injection in ferromagnetic-metal/Cu/Al2O3 trilayers",
Phys. Rev. B 103, L020407 (2021). -
●F. Chen, X. Ge, W. Luo, R. Xing, S. Liang, X. Yang, L. You, R. Xiong, Y. Otani, & Y. Zhang,
"Strain-induced Megahertz Oscillation and Stable Velocity of an Antiferromagnetic Domain Wall",
Phys. Rev. Applied. 15, 014030 (2021). -
●●● K. Kondou, H. Chen, T. Tomita, M. Ikhlas, T. Higo, A. H. MacDonald, S. Nakatsuji, and Y. Otani,
"Giant field-like torque by the out-of-plane magnetic spin Hall effect in a topological antiferromagnet"
Nature Commun. 12, 6491 (2021). -
●●●J. Puebla Y. Hwang K. Kondou Y. Otani
“Progress in spinconversion and its connection with band crossing”
Ann. Phys. (Berlin), 2100398 (2021)
2020
-
H. Isshiki, P. Muduli, J. Kim, K. Kondou & Y. Otani,
"Phenomenological model for the direct and inverse Edelstein effects",
Phys. Rev. B 102, 184411-1~5 (2020). -
S. Miwa, K. Kondou, S. Sakamoto, A. Nihonyanagi, F. Araoka, Y. Otani & D. Miyajima,
"Chirality-induced effective magnetic field in a phthalocyanine molecule",
Appl. Phys. Express 13, 113001~4 (2020). -
T. Yokouchi, F. Kagawa, M. Hirschberger, Y. Otani, N. Nagaosa & Y. Tokura,
"Emergent electromagnetic induction in a helical-spin magnet",
Nature 586, 232-236 (2020). -
S. Choudhury, A. K. Chaurasiya, A. K. Mondal, B. Rana, K. Miura, H. Takahashi, Y. Otani & A. Barman,
"Voltage controlled on-demand magnonic nanochannels",
Sci. Adv. 10, 085020-1~7 (2020). -
Z. Zhu, T. Higo, S. Nakatsuji & Y. Otani,
"Magnetic and transport properties of amorphous, B2 and L21 Co2MnGa thin films",
AIP Adv. 10, 085020-1~7 (2020). -
M. Xu, K. Yamamoto, J. Puebla, K. Baumgaertl, B. Rana, K. Miura, H. Takahashi, D. Grundler, S. Maekawa & Y. Otani,
"Nonreciprocal surface acoustic wave propagation via magneto-rotation coupling",
Sci. Adv. 6, 1724-1~4 (2020). -
B. Rana, K. Miura, H. Takahashi & Y. Otani,
"Underlayer material dependent symmetric and asymmetric behavior of voltage-controlled magnetic anisotropy in CoFeB films",
J. Phys. Condens. Matter 32, 414002-1~8 (2020). -
B. Rana, C. Akosa, K. Miura, H. Takahashi, G. Tatara & Y. Otani,
"Nonlinear control of damping constant by electric field in ultrathin ferromagnetic films",
Phys. Rev. Applied. 14, 014037-1~14 (2020). -
Y. Hwang, J. Puebla, M. Xu, A. Lagarrigue, K. Kondou & Y. Otani,
"Enhancement of acoustic spin pumping by acoustic distributed Bragg reflector cavity",
Appl. Phys. Lett. 116, 252404-1~4 (2020). -
S. Sugimoto, Y. Nakatani, Y. Yamane, M. Ikhlas, K. Kondou, M. Kimata, T. Tomita, S. Nakatsuji & Y. Otani,
"Electrical nucleation, displacement, and detection of antiferromagnetic domain walls in the chiral antiferromagnet Mn3Sn",
Commun. Phys. 3, 111-1~9 (2020). -
J. Puebla, J. Kim, K. Kondou & Y. Otani,
"Spintronic devices for energy-efficient data storage and energy harvesting",
Commun. Mater. 1, 24-1~9 (2020). -
A. Deka, B. Rana, R. Anami, K. Miura, H. Takahashi, Y. Otani & Y. Fukuma,
"Electric-field control of interfacial in-plane magnetic anisotropy in CoFeB/MgO junctions",
Phys. Rev. B 101, 174405-1~8 (2020). -
J. Puebla, M. Xu, B. Rana, K. Yamamoto, S. Maekawa & Y. Otani,
"Acoustic ferromagnetic resonance and spin pumping induced by surface acoustic waves",
J. Phys. D: Appl. Phys. 53, 264002-1~7 (2020). -
H. Tsai, T. Higo, K. Kondou, T. Nomoto, A. Sakai, A. Kobayashi, T. Nakano, K. Yakushiji, R. Arita, S. Miwa, Y. Otani & S. Nakatsuji,
"Electrical manipulation of a topological antiferromagnetic state",
Nature 580, 608-613 (2020). -
M. Wu, H. Isshiki, T. Chen, T. Higo, S. Nakatsuji & Y. Otani,
"Magneto-optical Kerr effect in a non-collinear antiferromagnet Mn3Ge",
Appl. Phys. Lett. 116, 132408-1~4 (2020). -
T. Yokouchi, S. Sugimoto, B. Rana, S. Seki, N. Ogawa, S. Kasai & Y. Otani,
"Creation of magnetic skyrmions by surface acoustic waves",
Nat. Nanotechnol. 15, 361-366 (2020). -
H. Kim, S. Karube , J. Borge, J. Kim , K. Kondou & Y. Otani,
"Evidence for spin swapping from modulation of transverse resistance in magnetic heterostructures with Rashba interface",
Appl. Phys. Lett. 116, 122403-1~4 (2020). -
H. Narita, T. Higo, M. Ikhlas, S. Nakatsuji & Y. Otani,
"Effect of sample size on anomalous Nernst effect in chiral antiferromagnetic Mn3Sn devices",
Appl. Phys. Lett. 116, 072404-1~4 (2020). -
J. R. Massey, K. Matsumoto, M. Strungaru, R. C. Temple, T. Higo, K. Kondou, R. F. L. Evans, G. Burnell, R. W. Chantrell, Y. Otani & C. H. Marrows,
"Phase boundary exchange coupling in the mixed magnetic phase regime of a Pd-doped FeRh epilayer",
Phys. Rev. Materials 4, 024403-1~11 (2020). -
K. Adhikari, S. Sahoo, A. K. Mondal, Y. Otani & A. Barman,
"Large nonlinear ferromagnetic resonance shift and strong magnon-magnon coupling in Ni80Fe20 nanocross array",
Phys. Rev. B 101, 054406-1~6 (2020). -
A. Kobayashi, T. Higo, S. Nakatsuji & Y. Otani,
"Structural and magnetic properties of Mn3Ge films with Pt and Ru seed layers",
AIP Adv. 10, 015225-1~6 (2020). -
S. Seki, M. Garst, J. Waizner, R. Takagi, N. D. Khanh, Y. Okamura, K. Kondou, F. Kagawa, Y. Otani & Y. Tokura,
"Propagation dynamics of spin excitations along skyrmion strings",
Nat. Commun. 11, 256-1~7 (2020).
2019
-
J. M. Flores-Camacho, J. Puebla, F. Auvray, A. Lastras-Mart匤ez, Y. Otani & R. E. Balderas-Navarro,
"Two-dimensional electron gas in a metal/amorphous oxide interface with spin-orbit interaction",
Phys. Rev. B 100, 235449-1~11 (2019). -
B. Rana, S. Choudhury, K. Miura, H. Takahashi, A. Barman & Y. Otani,
"Electric field control of spin waves in ultrathin CoFeB films",
Phys. Rev. B 100, 224412-1~9 (2019). -
H. Tsai, K. Kondou & Y. Otani,
"Enhanced spin-to-charge current conversion at metal/oxide interfaces by lowering the temperature",
Jpn. J. Appl. Phys. 58, 110907-1~4 (2019). -
H. Isshiki, K. Kondou, S. Takizawa, K. Shimose, T. Kawabe, E. Minamitani, N. Yamaguchi, F. Ishii, A. Shiotari, Y. Sugimoto, S. Miwa & Y. Otani,
"Realization of Spin-dependent Functionality by Covering a Metal Surface with a Single Layer of Molecules",
Nano. Lett. 19, 7119-7123 (2019). -
B. Rana & Y. Otani
"Towards magnonic devices based on voltage-controlled magnetic anisotropy",
Communications Physics 2, 90-1~12 (2019). -
P. K. Muduli, T. Higo, T. Nishikawa, D. Qu, H. Isshiki, K. Kondou, D. Nishio-Hamane, S. Nakatsuji & Y. Otani
"Evaluation of spin diffusion length and spin Hall angle of the antiferromagnetic Weyl semimetal Mn3Sn",
Phys. Rev. B 99, 184425-1~9 (2019). -
J. Puebla, F. Auvray, N. Yamaguchi, M. Xu, S-Z. Bisri, Y. Iwasa, F. Ishii & Y. Otani
"Photoinduced Rashba spin-to-charge conversion via an interfacial unoccupied state",
Phys. Rev. Lett. 122, 256401-~5 (2019). -
M. Kimata, H. Chen, K. Kondou, S. Sugimoto, P-K. Muduli, M. Ikhlas, Y. Omori, T. Tomita, A-H. MacDonald, S. Nakatsuji & Y. Otani
"Magnetic and magnetic inverse spin Hall effects in a non-collinear antiferromagnet",
Nature 565, 627-630 (2019). -
Y. Omori, E. Sagasta, Y. Niimi, M. Gradhand, L-E. Hueso, F. Casanova & Y. Otani,
"Relation between spin Hall effect and anomalous Hall effect in 3d ferromagnetic metals",
Phys. Rev. B 99, 014403-1~6 (2019).
2018
-
T. Higo, D. Qu, Y.Li, C. L. Chien, Y. Otani & S. Nakatsuji,
"Anomalous Hall effect in thin films of the Weyl antiferromagnet Mn3Sn",
Appl. Phys. Lett. 113, 242402-1~4 (2018). "Featured Articles" -
S. Choudhury, S. Majumder, S. Barman, Y. Otani & A. Barman,
"Active control of mode crossover and mode hopping of spin waves in a ferromagnetic antidot lattice",
Phys. Rev. Appl. 10, 064044-1~9 (2018). -
K. Adhikari, S. Barman, R. Mandal, Y. Otani & A. Barman,
"Tunable angle-dependent magnetization dynamics in Ni80Fe20 nanocross structures of varying size",
Phys. Rev. Appl. 10, 044010-1~9 (2018). -
E. Sagasta, Y. Omori, S. Vélez, R. Llopis, C. Tollan, A. Chuvilin, L-E. Hueso, M. Gradhand, Y. Otani & F. Casanova,
"Unveiling the mechanisms of the spin Hall effect in Ta",
Phys. Rev. B 98, 060410(R)-1~7 (2018). -
S. Takizawa, K. Kondou, H. Isshiki, K. Shimose, T. Kawabe, S. Miwa & Y. Otani,
"Spin relaxation enhanced by decorating Cu surfaces with lead (II) phthalocyanine molecules",
IEEE Transactions on Magnetics 54, 4100304-1~4 (2018). -
K. Matsumoto, M. Kimata, K. Kondou, R. C. Temple, C. H. Marrows & Y. Otani,
"Magnetothermodynamic properties and anomalous magnetic phase transition in FeRh nanowires",
IEEE Transactions on Magnetics 54, 23009041~5 (2018). -
K. Kondou, H. Tsai, H. Isshiki & Y. Otani,
"Efficient spin current generation and suppression of magnetic damping due to fast spin ejection from nonmagnetic metal/indium-tin-oxide interfaces",
APL Materials 6, 101105-1~8 (2018). -
D. Qu, T. Higo, T. Nishikawa, K. Matsumoto, K. Kondou, D. Nishio-Hamane, R. Ishii, P. K. Muduli, Y. Otani & S. Nakatsuji,
"Large enhancement of the spin Hall effect in Mn metal by Sn doping",
PHYSICAL REVIEW MATERIALS 2, 102001(R)-1~7 (2018). -
P. K. Muduli, M. Kimata, Y. Omori, T. Wakamura, S. P. Dash & Y. Otani,
"Detection of interfacial exchange field at the ferromagnetic insulator-nonmagnetic metal interface with pure spin-current",
Phys. Rev. B 98, 024416-1~9 (2018). -
F. Auvray, J. Puebla, M. Xu,B. Rana, D. Hashizume, & Y. Otani,
"Spin accumulation at nonmagnetic interface induced by direct Rashba-Edelstein effect",
J. Materials Science : Materials in Electronics 29, 15564-15670 (2018). -
S. Hirayama, S. Mitani, Y. Otani, & S. Kasai,
"Direct current modulation of spin-Hall-induced spin torque ferromagnetic resonance in platinum/permalloy bilayer thin films",
Jpn. J. Appl. Phys 57, 060301-1~4 (2018). -
S. Mondal, S. Barman, S. Choudhury, Y. Otani, & A. Barman,
"Influence of anisotropic dipolar interaction on the spin dynamics of Ni80Fe20 nanodot arrays arranged in honeycomb and octagonal lattices",
J. Magn. Magn. Mater. 458, 95-104 (2018). -
A. De, S. Mondal, S. Sahoo, S. Barman, Y. Otani, R. K. Mitra, & A. Barman,
"Field-controlled ultrafast magnetization dynamics in two-dimensional nanoscale ferromagnetic antidot arrays",
Beilstein J. Nanotechnol. 9, 1123-1134 (2018). -
W. Han, Y. Otani & S. Maekawa,
"Quantum materials for spin and charge conversion",
npj Quantum Materials 3, 27-1~16 (2018). -
M. Xu, J. Puebla, F. Auvray, B. Rana, K. Kondou & Y. Otani,
"Inverse Edelstein effect induced by magnon-phonon coupling",
Phys. Rev. B 97, 180301(R)-1~4 (2018). -
H. Tsai, S. Karube, K. Kondou, N. Yamaguchi, F. Ishii & Y. Otani,
"Clear variation of spin splitting by changing electron distribution at non-magnetic metal/Bi2O3 interfaces",
Scientific Reports 8, 5564-1~8 (2018). -
T. Kurihara, H. Watanabe, M. Nakajima, S. Karube, K. Oto, Y. Otani & T. Suemoto,
"Macroscopic magnetization control by symmetry breaking of photoinduced spin reorientation with intense terahertz magnetic near field",
Phys. Rev. Lett. 120, 107202-1~6 (2018). -
B. Rana & Y. Otani,
"Voltage-controlled reconfigurable spin-wave nanochannels and logic devices",
Phys. Rev. Appl. 9, 014033-1~15 (2018). -
S. Hirayama, S. Mitani, Y. Otani & S. Kasai,
"Anomalous modulation of spin torque-induced ferromagnetic resonance caused by direct currents in permalloy/platinum bilayer thin films",
Appl. Phys. Exp. 11, 013002-1~4 (2018).
2017
-
H. Narita, M. Ikhlas, M. Kimata, AA. Nugroho, S. Nakatsuji & Y. Otani
"Anomalous Nernst effect in a microfabricated thermoelectric element made of chiral antiferromagnet Mn3Sn ",
Appl. Phys. Lett. 111, 202404-1~5 (2017). -
J. Kim, Y-T. Chen, S. Karube, S. Takahashi, K. Kondou, G. Tatara & Y. Otani,
"Evaluation of bulk-interface contributions to Edelstein magnetoresistance at metal/oxide interfaces",
Phys. Rev. B 96, 140409(R)-1~6 (2017). -
S, Choudhury, S, Barman, Y. Otani & A. Barman,
"Efficient modulation of spin waves in two-dimensional octagonal magnonic crystal",
ACS Nano 11, 8814-8821 (2017). -
A. De, S. Mondal, C. Banerjee, A. K. Chaurasiya, R. Mandal, Y. Otani, R. K. Mitra & A. Barman,
"Investigation of magnetization dynamics in 2D Ni80Fe20 diatomic nanodot arrays",
J. Phys. D: Appl. Phys. 50, 385002-1~11 (2017). -
E. Sagasta, Y. Omori, M. Isasa, Y. Otani, L.E. Hueso & F. Casanova
"Spin diffusion length of Permalloy using spin absorption in lateral spin valves",
Appl. Phys. Lett. 111, 082407-1~4 (2017). -
K. Yasuda, A. Tsukazaki, R. Yoshimi, K. Kondou, K.S. Takahashi, Y. Otani, M. Kawasaki & Y. Tokura
"Current-nonlinear Hall effect and spin-orbit torque magnetization switching in a magnetic topological insulator",
Phys. Rev. Lett. 119, 137204-1~5 (2017). -
O. Del Pozo-Zamudio, J. Puebla, A. Krysa, R. Toro, A. M. Sanchez, R. Beanland, A. I. Tartakovskii, M. S. Skolnick & E. A. Chekhovich,
"Metalorganic vapor phase epitaxy growth, transmission electron microscopy, and magneto-optical spectroscopy of individual InAsxP1?x/Ga0.5In0.5P quantum dots",
Phys. Rev. Mat. 1, 034605-1~9 (2017). -
J. Puebla, F. Auvray, M. Xu, B. Rana, A. Albouy, H. Tsai, K. Kondou, G. Tatara & Y. Otani,
"Direct optical observation of spin accumulation at nonmagnetic metal/oxide interface (Editor's pick)",
Appl. Phys. Lett. 111, 092402-1~4 (2017). Animation on APL facebook, RIKEN youtube channel -
M. Ikhlas, T. Tomita, T. Koretsune, M-T Suzuki, D. Nishio-Hamane, R. Arita, Y. Otani & S. Nakatsuji,
"Large anomalous Nernst effect at room temperature in a chiral antiferromagnet",
Nature Physics 13, 1085-1091 (2017) -
B. Rana, Y. Fukuma, K. Miura, H. Takahashi & Y. Otani,
"Excitation of coherent propagating spin waves in ultrathin CoFeB film by voltage-controlled magnetic anisotropy",
Appl. Phys. Lett. 111, 052404-1~5 (2017). -
Y. Otani, M. Shiraishi, A. Oiwa, E. Saitoh & S. Murakami,
"Spin conversion on the nanoscale",
Nature Physics 13, 829-832 (2017). -
B. Rana, Y. Fukuma, K. Miura, H. Takahashi, & Y. Otani,
"Effect of excitation power on voltage induced local magnetization dynamics in an ultrathin CoFeB film",
Scientific Reports 7, 2318-1~9 (2017). -
近藤 浩太, 軽部 修太郎, 大谷 義近
"表面・界面を利用してスピン流を作る", (解説)
日本物理学会誌 72, 320~327 (2017). -
K. Adhikari, S. Choudhury, R. Mandal, S. Barman, Y. Otani & A. Barman,
"Bias field tunable magnetic configuration and magnetization dynamics in Ni80Fe20 nano-cross structures with varying arm length",
J. Appl. Phys. 121, 043909-1~5 (2017). -
N. Hasegawa, K. Kondou, M. Kimata, & Y. Otani,
"Spin pumping due to spin waves in magnetic vortex structure",
Appl. Phys. Exp. 10, 053002-1~3 (2017). -
K. Miura, S. Yabuuchi, M. Yamada, M. Ichimura, B. Rana, S. Ogawa, H. Takahashi, Y. Fukuma & Y. Otani
"Voltage-induced magnetization dynamics in CoFeB/MgO/CoFeB magnetic tunnel junctions",
Scientific Reports 7, 42511-1~8 (2017). -
近藤 浩太, 大谷 義近
"スピントロニクス実験のコツ -スピン流の計測- ",
応用物理 86, 139~143 (2017). -
S. Gupta, R. Medwal, D. Kodama, K. Kondou, Y. Otani & Y. Fukuma,
"Important role of magnetization precession angle measurement in inverse spin Hall effect induced by spin pumping",
Appl. Phys. Lett. 110, 022404-1~5 (2017). -
K. Mukaiyama, S. Kasai, Y. K. Takahashi, K. Kondou, Y. Otani, S. Mitani & K. Hono,
"High output voltage of magnetic tunnel junctions with a Cu(In0.8Ga0.2)Se2 semiconducting barrier with a low resistance-area product",
Appl. Phys. Exp. 10, 013008-1~3 (2017).
2016
-
S. Mondal, S. Choudhury, S. Barman, Y. Otani & A. Barman,
"Transition from strongly collective to completely isolated ultrafast magnetization dynamics in two-dimensional hexagonal arrays of nanodots with varying inter-dot separation",
RSC Advances 6, 110393-110399 (2016). -
S. Choudhury, S. Saha, R. Mandal, S. Barman, Y. Otani, and A. Barman,
"Shape-and Interface-induced control of spin dynamics of two-dimensional bicomponent magnonic crystals",
ACS Appl. Mat. Interfaces 8, 18339-18346 (2016). -
E. Sagasta, Y. Omori, M. Isasa, M. Gradhand, L. E. Hueso, Y. Niimi, Y. Otani, and F. Casanova,
"Tuning the spin Hall effect of Pt from the moderately dirty to the superclean regime",
Phys. Rev. B 94, 060412(R)-1~6 (2016). -
K. Kondou, R. Yoshimi, A. Tsukazaki, Y. Fukuma, J. Matsuno, K. S. Takahashi, M. Kawasaki, Y. Tokura, and Y. Otani,
"Fermi-level-dependent charge-to-spin current conversion by Dirac surface states of topological insulators",
Nature Physics12, 1027-1031 (2016). -
S. Kasai, Y. K. Takahashi, P.-H. Cheng, Ikhtiar, T. Ohkubo, K. Kondou, Y. Otani, S. Mitani, and K. Hono,
"Large magnetoresistance in Heusler-alloy-based epitaxial magnetic junctions with semiconducting Cu(In0.8Ga0.2)Se2 spacer",
Appl. Phys. Lett. 109, 032409-1~4 (2016). -
O. Stejskala, J. Hamrle, J. Pistora, and Y. Otani,
"Optimization of spin injection and spin detection in lateral nanostructures by geometrical means",
J. Magn. Magn. Mater. 414, 132~143 (2016). -
S. Seki, Y. Okamura, K. Kondou, K. Shibata, M. Kubota, R. Takagi, F. Kagawa, M. Kawasaki, G. Tatara, Y. Otani, and Y. Tokura,
"Magnetochiral nonreciprocity of volume spin wave propagation in chiral-lattice ferromagnets",
Phys. Rev. B 93, 235131-1~9 (2016). -
A. Yagmur, S. Karube, K. Uchida, K. Kondou, R. Iguchi, T. Kikkawa, Y. Otani, and E. Saitoh,
"Spin-current-driven thermoelectric generation based on interfacial spin-orbit coupling",
Appl. Phys. Lett. 108, 242409-1~4 (2016). -
N. Hasegawa, S. Sugimoto, D. Kumar, S. Barman, A. Barman, K. Kondou, and Y. Otani,
"Observation of anisotropic energy transfer in magnetically coupled magnetic vortex pair",
Appl. Phys. Lett. 108, 242402-1~4 (2016). -
S. Takizawa, M. Kimata, Y. Omori, Y. Niimi, and Y. Otani,
"Spin mixing conductance in Cu-Ir dilute alloys",
Appl. Phys. Exp. 9, 063009-1~3 (2016). -
S. Karube, K. Kondou, and Y. Otani,
"Experimental observation of spin-to-charge current conversion at non-magnetic metal/Bi2O3 interfaces",
Appl. Phys. Exp. 9, 033001-1~4 (2016). -
K. Kondou, H. Sukegawa, S. Kasai, S. Mitani, Y. Niimi, and Y. Otani,
"Influence of inverse spin Hall effect in spin-torque ferromagnetic resonance measurements",
Appl. Phys. Exp. 9, 023002-1~4 (2016).
2015
-
大谷 義近, 新見 康洋,
"スピン軌道相互作用の強い導体中のスピンホール効果",
固体物理 50, 575~590 (2016). -
S. Saha, S. Barman, Y. Otani, and A. Barman
"All-optical investigation of tunable picosecond magnetization dynamics in ferromagnetic nanostripes with a width down to 50 nm",
Nanoscale 7, 18312~18319 (2015). -
Y. Niimi, and Y. Otani,
"Reciprocal spin Hall effects in conductors with strong spin—orbit coupling: a review",
Rep. Prog. Phys. 78, 124501-1~19 (2015). -
Y. Niimi, M. Kimata, Y. Omori, B. Gu, T. Ziman, S. Maekawa, A. Fert, and Y. Otani
"Strong suppression of the spin Hall effect in the spin glass state", (Supplementary information)
Phys. Rev. Lett. 115, 196602-1~5 (2015). -
S. Karube, H. Idzuchi, K. Kondou, Y. Fukuma, and Y. Otani
"Spin relaxation characteristics in Ag nanowire covered with various oxides",
Appl. Phys. Lett. 107, 122406-1~4 (2015). -
R. Mandal, S. Barman, S. Saha, Y. Otani, and A. Barman
"Tunable spin wave spectra in two-dimensional Ni80Fe20 antidot lattices with varying lattice symmetry",
J. Appl. Phys. 118, 053910-1~7 (2015). -
Hamed Ben Mohamed Saidaoui, Y. Otani, and A. Manchon,
"Crossover between spin swapping and Hall effect in disordered systems",
Phys. Rev. B 92, 024417-1~8 (2015). -
M. Kimata, D. Nozaki, Y. Niimi, H. Tajima, and Y. Otani,
"Spin relaxation mechanism in a highly doped organic polymer film",
Phys. Rev. B 91, 224422-1~6 (2015). -
H. Idzuchi, A. Fert, and Y. Otani,
"Revisiting the measurement of the spin relaxation time in graphene-based devices",
Phys. Rev. B 91, 241407(R)-1~5 (2015). -
O. Rousseau, B. Rana, R. Anami, M. Yamada, K. Miura, S. Ogawa, and Y. Otani
"Realization of a micrometre-scale spin-wave interferometer", (Supplementary information)
Scientific Reports 5, 09873-1~8 (2015). -
T. Wakamura, H. Akaike, Y. Omori, Y. Niimi, S. Takahashi, A. Fujimaki, S. Maekawa, and Y. Otani
"Quasiparticle-mediated spin Hall effect in a superconductor", (Supplementary information)
Nature Materials 14, 675-678(2015). -
B. K. Mahato, S. Choudhury, R. Mandal, S. Barman, Y. Otani, and A. Barman
"Tunable configurational anisotropy in collective magnetization dynamics of Ni80Fe20 nanodot arrays with varying dot shapes",
J. Appl. Phys. 117, 213909-1~5 (2015). -
N. Hasegawa, S. Sugimoto, H. Fujimori, K. Kondou, Y. Niimi, and Y. Otani,
"Selective mode excitation in three-chained magnetic vortices",
Appl. Phys. Exp. 8, 063005-1~3 (2015). -
S. Saha, S. Barman, S. Sugimoto, Y. Otani, and A. Barman
"Tunable picosecond spin dynamics in two dimensional ferromagnetic nanodot arrays with varying lattice symmetry",
RSC Advances 5, 34027~34031 (2015). -
H. Idzuchi, Y. Fukuma, and Y. Otani
"Spin transport in non-magnetic nano-structures induced by non-local spin injection",
Physica E 68, 239~263 (2015).
2014
-
C. Banerjee, S. Saha, S. Barman, O. Rousseau, Y. Otani, and A. Barman
"Width dependent transition of quantized spin-wave modes in Ni80Fe20 square nanorings",
J. Appl. Phys. 116, 163912-1~5 (2014). -
H. Idzuchi, Y.Fukuma, H. S. Park, T. Matsuda, T. Tanigaki, S. Aizawa, M. Shirai, D. Shindo, and Y. Otani,
"Critical exponents and domain structures of magnetic semiconductor EuS and Gd-doped EuS films near Curie temperature",
Appl. Phys. Exp. 7, 113002-1~4 (2014). -
R. L. Stamps, S. Breitkreutz, J. Akerman, A. V. Chumak, Y. Otani, G. E. W. Bauer, J-U Thiele, M. Bowen, S. A. Majetich, M. Klaui, I. L. Prejbeanu, B. Dieny, N. M. Dempsey, and B. Hillebrands,
"The 2014 Magnetism Roadmap",
J. Phys. D: Appl. Phys. 47, 333001-1~28 (2014). -
B. K. Mahato, B. Rana, D. Kumar, S. Barman, S. Sugimoto, Y. Otani, and A. Barman,
"Tunable spin wave dynamics in two-dimensional Ni80Fe20 nanodot lattices by varying dot shape",
Appl. Phys. Lett. 105, 012406-1~5 (2014). -
Y. Omori, F. Auvray, T. Wakamura, Y. Niimi, F. Fert, and Y. Otani,
"Inverse spin Hall effect in a closed loop circuit",
Appl. Phys. Lett. 104, 242415-1~4 (2014). -
A. Ganguly, K. Kondou, H. Sukegawa, S. Mitani, S. Kasai, Y. Niimi, Y. Otani, and A. Barman,
"Thickness dependence of spin torque ferromagnetic resonance in Co75Fe25/Pt bilayer films",
Appl. Phys. Lett. 104, 072405-1~5 (2014). -
S. Kasai, K. Kondou, H. Sukegawa, S. Mitani, K. Tsukagoshi, and Y. Otani,
"Modulation of effective damping constant using spin Hall effect",
Appl. Phys. Lett. 104, 092408-1~3 (2014). -
S. Sugimoto, N. Hasegawa, Y. Niimi, Y. Fukuma, S. Kasai, and Y. Otani,
"Detection of a symmetric circular gyration of the vortex core via the second-order harmonic magnetoresistance oscillation",
Appl. Phys. Exp. 7, 023006-1~4 (2014).
See also Erratum
-
H. Idzuchi, Y. Fukuma, S. Takahashi, S. Maekawa, and Y. Otani,
"Effect of anisotropic spin absorption on the Hanle effect in lateral spin valves",
Phys. Rev. B 89, 081308(R)-1~5 (2014).
-
O. Rousseau, M. Yamada, K. Miura, S. Ogawa, and Y. Otani
"Propagation of nonlinearly generated harmonic spin waves in microscopic stripes",
J. Appl. Phys. 115, 053914-1~5 (2014).
-
Y. Niimi, H. Suzuki, Y. Kawanishi, Y. Omori, T. Valet, A. Fert, and Y. Otani,
"Extrinsic spin Hall effects measured with lateral spin valve structures",
Phys. Rev. B 89, 054401-1~10 (2014).
-
T. Wakamura, N. Hasegawa, K. Ohnishi, Y. Niimi, and Y. Otani,
"Spin injection into a superconductor with strong spin-orbit coupling",
Phys. Rev. Lett. 112, 036602-1~5 (2014).
2013
-
K. Fujiwara, Y. Fukuma, J. Matsuno, H. Idzuchi, Y. Niimi, Y. Otani, and H. Takagi,
"5d iridium oxide as a material for spin-current detection",
Nature Commun. 4, 2893-1~6 (2013). -
H. Idzuchi, S. Karube, Y. Fukuma, T. Aoki, and Y. Otani,
"Impact of interface properties on spin accumulation in dual-injection lateral spin valves",
Appl. Phys. Lett. 103, 162403-1~4 (2013). -
S. Saha, R. Mandal, S. Barman, D. Kumar, B. Rana, Y. Fukuma, S. Sugimoto, Y. Otani, and A. Barman,
"Tunable magnonic spectra in two-dimensional magnonic crystals with variable lattice symmetry",
Adv. Funct. Mater. 23, 2378-2386 (2013). -
B. K. Mahato, B. Rana, R. Mandal, D. Kumar, S. Barman, Y. Fukuma, Y. Otani, and A. Barman,
"Configurational anisotropic spin waves in cross-shaped Ni80Fe20 nanoelements",
Appl. Phys. Lett. 102, 192402-1~4 (2013). -
Y. P. Liu, H. Idzuchi, Y. Fukuma, O. Rousseau, Y. Otani, and W. S. Lew,
"Spin injection properties in trilayer graphene lateral spin valves",
Appl. Phys. Lett. 102, 033105-1~4 (2013).
See also Erratum
-
Y. Niimi, D. H. Wei, H. Idzuchi, T. Wakamura, T. Kato, and Y. Otani,
"Experimental verification of comparability between spin-orbit and spin-diffusion lengths",
Phys. Rev. Lett. 110, 016805-1~5 (2013).
2012
-
T. Wakamura, K. Ohnishi, Y. Niimi, and Y. Otani
"Generation of Large Spin Accumulation in S/N/S Josephson Junctions",
Journal of Physics: Conference Series 400, 022130-1~4 (2012). -
M. Gradhand, D.V. Fedorov, P. Zahn, I. Mertig, Y. Otani, Y. Niimi, L. Vila, and A. Fert,
"Perfect alloys for spin Hall current-induced magnetization switching",
SPIN 2, 1250010-1~8 (2012). -
Y. Niimi,Y. Kawanishi,D. H. Wei, C. Deranlot, H. X. Yang, M. Chshiev, T. Valet, A. Fert, and Y. Otani,
"Giant spin Hall effect induced by skew scattering from Bismuth impurities inside thin film CuBi alloys", (Supplemental Material)
Phys. Rev. Lett. 109, 156602-1~5 (2012). -
D. H. Wei, Y. Niimi, B. Gu, T. Ziman, S. Maekawa, and Y. Otani,
"The spin Hall effect as a probe of nonlinear spin fluctuations",
Nature Commun. 3, 1058-1~5 (2012). -
H. Idzuchi, Y. Fukuma, and Y. Otani
"Towards coherent spin precession in pure-spin current",
Scientific Reports 2, 628-1~5 (2012). -
H. Idzuchi, Y. Fukuma, L. Wang, and Y. Otani
"Spin relaxation mechanism in silver nanowires covered with MgO protection layer",
Appl. Phys. Lett. 101, 022415-1~4 (2012). -
K. Fukumoto, K. Arai, T. Kimura, Y. Otani, and T. Kinoshita
"Nonlinear motion of magnetic vortex cores during fast magnetic pulses",
Phys. Rev. B 85, 134414-1~4 (2012). -
R. Mandal, S. Saha, D. Kumar, S. Barman, S. Pal, K. Das, A. Raychaudhuri, Y. Fukuma, Y. Otani, and A. Barman
"Optically Induced Tunable Magnetization Dynamics in Nanoscale Co Antidot Lattices",
ACS Nano 6, 3397-3403 (2012). -
J. Tarun, S. Huang, Y. Fukuma, H. Idzuchi, Y. Otani, N. Fukata, K. Ishibashi, and S. Oda
"Temperature evolution of spin-polarized electron tunneling in Silicon nanowire-Permalloy lateral spin valve system",
Appl. Phys. Exp. 5, 045001-1~3 (2012). -
B. Rana, D. Kumar, S. Barman, S. Pal, R. Mandal, Y. Fukuma, Y. Otani, S. Sugimoto, and A. Barman
"Anisotropy in collective precessional dynamics in arrays of Ni80Fe20 nanoelements",
J. Appl. Phys. 111, 07D503-1~3 (2012).
2011
-
Y. Otani, and T. Kimura
"Manipulation of spin currents in metallic systems",
Phil. Trans. R. Soc. A 369, 3136-3149 (2011). -
P. Laczkowski, L. Vila, S. Ferry, A. Marty, J-M. George, H. Jaffres, A. Fert, T. Kimura, T. Yang, Y. Otani, and J-P. Attane
"Spin signal in metallic lateral spin valves made by a multiple angle evaporation technique",
Appl. Phys. Exp. 4, 063007-1~3 (2011). -
Y. Otani, and T. Kimura
"Nonlocal spin valves in metallic nanostructures",
Handbook of Spin Transport and Magnetism Chap.32, 637-647 (2011). -
B. Rana, D. Kumar, S. Barman, S. Pal, Y. Fukuma, Y. Otani, and A. Barman
"Detection of picosecond magnetization dynamics of 50 nm magnetic dots down to the single dot regime",
ACS NANO 5, 9559-9565 (2011). -
B. Rana, S. Pal, S. Barman, Y. Fukuma, Y. Otani, and A. Barman
"All-optical excitation and detection of picosecond dynamics of ordered arrays of nanomagnets with varying areal density",
Appl. Phys. Exp. 4, 113003-1~3 (2011). -
S. Sugimoto,Y. Fukuma, and Y. Otani
"Manipulation of the excitation state of the coupled vortices in a pair of magnetic disks",
IEEE Trans. Magn. 47, 2951-2953 (2011). -
L. Wang, Y. Fukuma, H.Idzuchi, G. Yu, Y. Jiang, and Y. Otani
"Effect of annealing on interfacial spin polarization and resistance in Permalloy/MgO/Ag lateral spin valves",
Appl. Phys. Exp. 4, 093004-1~3 (2011). -
H. Idzuchi, Y. Fukuma, L. Wang, and Y. Otani
"Spin injection into magnesium nanowire",
IEEE Trans. Magn. 47, 1545-1548 (2011). -
Y. Fukuma, L. Wang, H. Idzuchi, S. Takahashi, S. Maekawa, and Y. Otani
"Giant enhancement of spin accumulation and long-distance spin precession in metallic lateral spin valves", (Supplementary material)
Nature Materials, 10, 527~531 (2011). -
F. Fohr, S. Kaltenborn, J. Hamrle, H. Schultheib, A.A. Serga, H.C. Schneider, B. Hillebrands, Y. Fukuma, L. Wang, and Y. Otani,
"Optical detection of spin transport in nonmagnetic metals",
Phys. Rev. Lett. 106, 226601-1~4 (2011). -
T. Wakamura, K. Ohnishi, Y. Niimi, and Y. Otani
"Large spin accumulation with long spin diffusion length in Cu/MgO/Permalloy lateral spin valves",
Appl. Phys. Exp. 4, 063002-1~3 (2011). -
S. Sugimoto, Y. Fukuma, S. Kasai, T. Kimura, A. Barman, and Y. Otani,
"Dynamics of coupled vortices in a pair of ferromagnetic disks",
Phys. Rev. Lett. 106, 197203-1~4 (2011). -
M. Morota, Y. Niimi, K. Ohnishi, D.H. Wei, T. Tanaka, H. Kontani, T. Kimura, and Y. Otani
"Indication of intrinsic spin Hall effect in 4d and 5d transition metals",
Phys. Rev. B 83, 174405-1~5 (2011). -
K. Ohnishi, T. Kimura, and Y. Otani
"Non-local quasi-particles current in the lateral SNS junction with transparent interfaces",
J. Supercond. Nov. Magn. 24, 303~306 (2011). -
J. Tarun, S. Huang, Y. Fukuma, H. Idzuchi, Y. Otani, N. Fukata, K. Ishibashi, and S. Oda
"Demonstration of spin valve effects in silicon nanowires",
J. Appl. Phys. 109, 07C508-1~3 (2011). -
L. Wang, Y. Fukuma, H. Idzuchi, and Y. Otani
"Efficient spin injection into nonmagnetic metals through low-resistance MgO",
J. Appl. Phys. 109, 07C506-1~3 (2011). -
Y. Niimi, M. Morota, D. H. Wei, C. Deranlot, M. Basletic, A. Hamzic, A. Fert, and Y. Otani,
"Extrinsic spin Hall effect induced by Iridium impurities in Copper",
Phys. Rev. Lett. 106, 126601-1~4 (2011). -
Y. Otani, and T. Kimura
"Spin current related phenomena in metallic nano-structures",
Physica E 43, 735~740 (2011).
2010
-
A. Barman, S. Barman, T. Kimura, Y. Fukuma, and Y. Otani,
"Gyration mode splitting in magnetostatically coupled magnetic vortices in an array",
J. Phys. D: Appl. Phys. 43, 422001-1~6 (2010). -
S. Barman, A. Barman, and Y. Otani,
"Controlled propagation of locally excited vortex dynamics in linear nanomagnet arrays",
J. Phys. D: Appl. Phys. 43, 335001-1~7 (2010). -
Y. Fukuma, L. Wang, H. Idzuchi, and Y. Otani
"Enhanced spin accumulation obtained by inserting low-resistance MgO interface in metallic lateral spin valves",
Appl. Phys. Lett. 97, 012507-1~3 (2010). -
S. Barman, A. Barman, and Y. Otani
"Dynamics of 1-D chains of magnetic vortices in response to local and global excitations",
IEEE Trans. Magn. 46, 1342-1345 (2010). -
H. Idzuchi, Y. Fukuma, L. Wang, and Y. Otani
"Spin diffusion characteristics in magnesium nanowires",
Appl. Phys. Exp. 3, 063002-1~3 (2010).
See also Erratum -
K. Ohnishi, T. Kimura, and Y. Otani
"Nonlocal injection of spin current into a superconducting Nb wire",
Appl. Phys. Lett. 96, 192509-1~3 (2010).
2009
-
R. Antos, and Y. Otani
"Simulations of the dynamic switching of vortex chirality in magnetic nanodisks by a uniform field pulse",
Phys. Rev. B 80, 140404-1~4 (2009). -
A. Barman, T. Kimura, Y. Fukuma, and Y. Otani
"Coherent suppression of magnetization precession in presence of spin waves in a Ni81 Fe19 microwire",
IEEE Trans. Magn. 45, 4104-4107 (2009). -
A. Barman, H. Sakata, T. Kimura, Y. Otani, and Y. Fukuma
"Coherent suppression of picosecond magnetization precession in the presence of spin waves in a Ni81Fe19 microstripe",
J. Appl. Phys. 106, 043906-1~5 (2009). -
J.-B. Laloë, T. Yang, T. Kimura, and Y. Otani
"Spin-dependent transport in a nanopillar non-local spin valve",
J. Magn. Magn. Mater. 321, 3829-3832 (2009). -
M. Morota, K. Ohnishi, T. Kimura, and Y. Otani
"Spin Hall effect in Molybdenum wires",
J. Appl. Phys. 105, 07C712-1~3 (2009). -
大谷 義近, 木村 崇
"スピントロニクスにおけるスピンホール効果",
日本磁気学会誌 4, 66~72 (2009). -
J.-B. Laloë, T. Yang, T. Kimura, and Y. Otani
"Spin-current-induced dynamics in ferromagnetic nanopillars of lateral spin-valve structures",
J. Appl. Phys. 105, 07D110-1~3 (2009).
2008
-
A. Barman, T. Kimura, Y. Otani, Y. Fukuma, K. Akahane, and S. Meguro
"Benchtop time-resolved magneto-optical Kerr magnetometer",
Rev. Sci. Instrum. 79, 123905~5 (2008). -
T. Yang, T. Kimura, and Y. Otani
"Giant spin-accumulation signal and pure spin-current-induced reversible magnetization switching",
Nature Physics 4, 851~4 (2008). -
T. Kimura, and Y. Otani
"Local domain structure of exchange-coupled NiFe/CoO nanowire probed by nonlocal spin valve measurement",
J. Appl. Phys. 103, 083915-1~5 (2008). -
R. Antos, Y. Otani, and J. Shibata
"Magnetic vortex dynamics",
J. Phys. Soc. Jpn. 77, 031004-1~8 (2008). -
K. Fukumoto, T. Matsushita, H. Osawa, T. Nakamura, T. Muro, K. Arai, T. Kimura, Y. Otani, and T. Kinoshita
"Construction and development of a time-resolved x-ray magnetic circular dichroism-photoelectron emission microscopy system using femtosecond laser pulses at BL25SU SPring-8",
Rev. Sci. Instrum. 79, 063903-1~5 (2008). -
K. Ohnishi, T. Kimura, and Y. Otani
"Improvement of superconductive properties of mesoscopic Nb wires by Ti passivation layers",
Appl. Phys. Exp. 1, 021701-1~3 (2008). -
T. Kimura, T. Sato, and Y. Otani,
"Temperature evolution of spin relaxation in NiFe/Cu lateral spin valve",
Phys. Rev. Lett. 100, 066602-1~4 (2008). -
Y. Togawa, T. Kimura, K. Harada, T. Matsuda, A. Tonomura, Y. Otani, and T. Akashi
"Current-excited magnetization reversal under in-plane magnetic field in a nanoscaled ferromagnetic wire",
Appl. Phys. Lett. 92, 012505-1~3 (2008). -
T. Kimura, Y. Otani, and L. Vila,
"Spin current absorption and spin Hall effects in ferromagentic/nonmagnetic hybrid structures(invited)",
J. Appl. Phys. 103, 07F310-1~4 (2008). -
M. Hara, T. Kimura, and Y. Otani
"Detection of paired domain walls in a ferromagnetic ring by a bend resistance measurement",
Physica E 40, 1108~1110 (2008).
2007
-
T. Yang, A. Hirohata, T. Kimura, and Y. Otani,
"Manipulating spin current in the magnetic nanopillar",
J. Nanosci. Nanotechnol.: Special Issue on Nanotechnology for Information Storage 7, 259~264 (2007). -
T. Yang, A. Hirohata, L. Vila, T. Kimura, and Y. Otani
"Vertical stack of Co nanorings with current-perpendicular-to-plane giant magnetoresistance: Experiment and micromagnetic simulation",
Phys. Rev. B 76, 172401-1~4 (2007). -
T. Kimura, and Y. Otani
"Large spin accumulation in a Permalloy/Silver lateral spin valve",
Phys. Rev. Lett. 99, 196604-1~4 (2007). -
L. Vila, T. Kimura, and Y. Otani
"Evolution of the spin Hall effect in Pt nanowires: Size and temperature effects",
Phys. Rev. Lett. 99, 226604-1~4 (2007). -
T. Kimura, Y.C. Otani, and P.M. Levy
"Electrical control of the direction of spin accumulation",
Phys. Rev. Lett. 99, 166601-1~4 (2007). -
K. Aoshima, N. Funabashi, K. Machida, Y. Miyamoto, N. Kawamura, K. Kuga, N. Shimidzu, F. Sato, T. Kimura, and Y. Otani
"Spin transfer switching in current-perpendicular-to-plane spin valve observed by magneto-optical Kerr effect using visible light",
Appl. Phys. Lett. 91, 052507-1~3 (2007). -
M. Hara, T. Kimura, and Y. Otani
"Controlled depinning of domain walls in a ferromagnetic ring circuit",
Appl. Phys. Lett. 90, 242504-1~3 (2007).
Prof. R.P. Cowburn refers to this article in Nature.
"Champing at the bit",
Nature, 448, NEWS & VIEWS, 544~545 (2007). -
T. Kimura, and Y. Otani
"Magnetization process of single magnetic ring detected by nonlocal spin valve measurement",
J. Appl. Phys. 101, 126102-1~3 (2007). -
J. Shibata, Y. Nakatani, G. Tatara, H. Kohno, and Y. Otani
"Magnetic vortex dynamics induced by spin-transfer torque",
J. Magn. Magn. Mater. 310, 2041~2042 (2007). -
T. Yang, A. Hirohata, T. Kimura, and Y. Otani
"Domain formation induced by perpendicular spin injection",
J. Magn. Magn. Mater. 310, e690~e692 (2007). -
M. Hara, J. Shibata, T. Kimura, and Y. Otani
"Rotational dynamics of paired nano-domain walls confined in an elliptical ring",
J. Magn. Magn. Mater. 310, 2451~2452 (2007). -
T. Ishida, T. Kimura, and Y. Otani
"Spin-current induced vortex displacement and annihilation in micro-scale Permalloy disk",
J. Magn. Magn. Mater. 310, 2431~2432 (2007). -
T. Kimura, Y. Otani, T. Sato, S. Takahashi, and S. Maekawa,
"Room temperature reversible spin Hall effect",
Phys. Rev. Lett. 98, 156601-1~4 (2007). -
M. Hara, and Y. Otani,
"Magnetization process in a ferromagnetic disk measured by a semiconductor two-dimensional electron gas",
J. Appl. Phys. 101, 056107-1~3 (2007). -
T. Kimura, Y. Otani H. Masaki, T. Ishida, R. Antos, and J. Shibata,
"Vortex motion in chilarity-controlled pair of magnetic disks",
Appl. Phys. Lett. 90, 132501-1~3 (2007). -
T. Kimura, and Y. Otani,
"Spin transport in lateral ferromagnetic/nonmagnetic hybrid structures (invited)",
J. Phys.: Condens. Matter: Special Issue on Spin Electronics 19, 165216-1~13 (2007). -
T. Yang, A. Hirohata, M. Hara, T. Kimura, and Y. Otani,
"Current-induced vortex-vortex switching in a nanopillar comprising two Co nano-ring",
Appl. Phys. Lett. 90, 092505-1~3 (2007). -
T. Kimura, and Y. Otani,
"Domain wall nucleation assisted by nonlocal spin injection",
J. Phys. D: Appl. Phys.: Special Issue 40, 1285~1288 (2007).
2006
-
Y. Togawa, T. Kimura, K. Harada, T. Akashi, T. Matsuda, A. Tonomura, and Y. Otani,
"Domain nucleation and annihilation in uniformly magnetized state under current pulses in narrow ferromagnetic wires",
Jpn. J. Appl. Phys. 45, L1322~1324 (2006). -
T. Yang, M. Hara, A. Hirohata, T. Kimura, and Y. Otani,
"Magnetic characterization and switching of Co nanorings in current-perpendicular-to-plane configuration",
Appl. Phys. Lett. 90, 022504-1~3 (2006). -
T. Yang, A. Hirohata, M. Hara, T. Kimura, and Y. Otani,
"Temperature dependence of intrinsic switching current of a Co nanomagnet",
Appl. Phys. Lett. 89, 252505-1~3 (2006). -
T. Yang, A. Hirohata, T. Kimura, and Y. Otani,
"Estimation of local and nonlocal contributions to the current-induced magnetization switching",
Phys. Rev. B 74, 153301-1~4 (2006). -
T. Yang, A. Hirohata, T. Kimura, and Y. Otani,
"Spin-transfer-induced magnetic domain formation",
J. Appl. Phys. 100, 073906-1~4 (2006). -
R. Antos, J. Mistrik, T. Yamaguchi, M. Veis, E. Liskova, S. Visnovsky, J. Pistora, B. Hillebrands, S.O. Demokritov, T. Kimura, and Y. Otani,
"Magneto-optical spectroscopic scatterometry for analyzing patterned magnetic nanostructures",
J. Magn. Soc. Jpn. 30, 630-636 (2006). -
M. Hara, J. Shibata, T. Kimura, and Y. Otani,
"Control of domain wall pinning by a switchable magnetic gate",
Appl. Phys. Lett. 89, 192504-1~3 (2006). -
Y. Togawa, T. Kimura, K. Harada, T. Akashi, T. Matsuda, A. Tonomura, and Y. Otani,
"Current-excited magnetization dynamics in narrow ferromagnetic wires",
Jpn. J. Appl. Phys. 45, L683~685 (2006). -
R. Antos, J. Pistora, J. Mistrik, T. Yamaguchi, S. Yamaguchi, M. Horie, S. Visnovsky, and Y. Otani,
"Convergence properties of critical dimension measurements by spectroscopic ellipsometry on gratings made of various materials",
J. Appl. Phys. 100, 054906-1~11 (2006). -
T. Ishida, T. Kimura, and Y. Otani,
"Current-induced vortex displacement and annihilation in a single permalloy disk",
Phys. Rev. B 74, 014424-1~5 (2006). -
Y. Otani, and T. Kimura,
"Manipulation of the magnetic state of a small ferromagnetic particle by means of nonlocal spin-injection techniques (invited)",
J. Appl. Phys. 99, 08G506-1~4 (2006). -
T. Kimura, Y. Otani, and J. Hamrle,
"Enhancement of spin accumulation in a nonmagnetic layer by reducing junction size",
Phys. Rev. B 73, 132405-1~4 (2006). -
T. Yang, A. Hirohata, T. Kimura, and Y. Otani,
"Influence of capping layer on the current-induced magnetization switching in magnetic nanopillars",
J. Appl. Phys. 99, 073708-1~5 (2006). -
M.Hara, J.Shibata, T.Kimura, and Y.Otani,
"Detection of magnetic state in a nano-scale ferromagnetic ring by using ballistic semiconductor two-dimensional electron gas",
Appl. Phys. Lett. 88, 082501-1~3 (2006). -
柴田 絢也, 多々良 源, 河野 浩,
スピン流による磁壁生成,
固体物理 41 No.2, 35~43 (2006). -
J. Shibata, Y. Nakatani, G. Tatara, H. Kohno, and Y. Otani,
"Current-induced magnetic vortex motion by spin-transfer torque",
Phys. Rev. B 73, 020403(R)-1~4 (2006). -
T. Kimura, Y. Otani, and J. Hamrle,
"Switching magnetization of nanoscale ferromagnetic particle using nonlocal spin injection",
Phys. Rev. Lett. 96, 037201-1~4 (2006). -
T. Yang, J. Hamrle, T. Kimura, and Y. Otani,
"Roles of spin-polarized current and spin accumulation in the current-induced magnetization switching",
J. Magn. Magn. Mater. 301, 389~397 (2006).
2005
-
多々良 源, 河野 浩, 柴田 絢也, 仲谷 栄伸, 山口 明啓, 小野 輝男,
電流による磁壁駆動,
応用物理 74 No.12, 1598~1602 (2005). -
J. Hamrle, T. Kimura, T. Yang, and Y. Otani,
"Three-dimensional distribution of the spin-polarized current inside nanostructures",
J. Appl. Phys. 98, 064301-1~7 (2005). -
T. Yang, J. Hamrle, T. Kimura, and Y. Otani,
"Influence of top electrode on the current-induced magnetic switching in magnetic nanopillars",
Appl. Phys. Lett. 87, 162502-1~3 (2005). -
J. Shibata, G. Tatara, H. Kohno, and Y. Otani,
"Current-induced domain nucleation in ferromagnet",
IEEE Trans. Magn. 41, 2595-2597 (2005). -
T. Kimura, Y. Otani, and J. Hamrle,
"Determination of magnetic vortex chirality using lateral spin valve geometry",
Appl. Phys. Lett. 87 172506-1~3 (2005).
also see the cover of the issue on October 24, 2005. -
T. Kimura, J. Hamrle, and Y. Otani,
"Influence of Au capping layer on spin accumulation in a lateral spin-valve structure",
IEEE Trans. Magn. 41(2005) 2600-2602. -
多々良 源, 河野 浩, 柴田 絢也, 斎藤 英治,
電流による磁壁駆動の物理,
固体物理 40 No.8, 545~558 (2005). -
T. Kimura, J. Hamrle, and Y. Otani,
"Estimation of spin-diffusion length from the magnitude of spin-current absorption: multiterminal ferromagnetic/nonferromagnetic hybrid structures",
Phys. Rev. B 72, 014461-1~6 (2005). -
J. Hamrle, T. Kimura, T. Yang, and Y. Otani,
"Three-dimensional distribution of spin-polarized current inside (Cu/Co) pillar structures",
Phys. Rev. B 71, 094434-1~7 (2005). -
T. Yang, T. Kimura, and Y. Otani,
"Spin-injection-induced intermediate state in a Co nanopillar",
J. Appl. Phys. 97, 064304-1~4 (2005). -
J. Hamrle, T. Kimura, Y. Otani, K. Tsukagoshi, and Y. Aoyagi,
"Current distribution inside Py/Cu lateral spin-valve devices",
Phys. Rev. B 71, 094402-1~10 (2005). -
T. Kimura, J. Hamrle, and Y. Otani,
"Spin-polarized current induced in a single ferromagnetic strip due to inhomogeneous spin injection",
J. Appl. Phys. 97, 076102-1~3 (2005). -
木村 崇, ヤロスラフ ハムル, 大谷 義近,
非局所手法を用いたスピン蓄積およびホール効果の測定,
日本応用磁気学会誌 29, 192~198 (2005). -
J. Shibata, G. Tatara, and H. Kohno,
"Effect of spin current on uniform ferromagnetism: Domain nucleation",
Phys. Rev. Lett. 94, 076601-1~4 (2005). -
T. Kimura, J. Hamrle, Y. Otani, K. Tsukagoshi, and Y. Aoyagi,
"Effect of probe configuration on spin accumulation in lateral spin valve structure",
J. Magn. Magn. Mater. 286, 88~90 (2005).
2004
-
T. Kimura, J. Hamrle, Y. Otani, K. Tsukagoshi, and Y. Aoyagi,
"Enhancement of nonlocal spin-valve signal using spin accumulation in local spin-valve configuration",
Appl. Phys. Lett. 85, 5382~5384 (2004). -
T. Kimura, J. Hamrle, Y. Otani, K. Tsukagoshi, and Y. Aoyagi,
"Suppression of spin accumulation in nonmagnet due to ferromagnetic ohmic contact",
Appl. Phys. Lett. 85, 3795~3796 (2004). -
T. Kimura, J. Hamrle, Y. Otani, K. Tsukagoshi, and Y. Aoyagi,
"Spin-dependent boundary resistance in the lateral spin valve structure",
Appl. Phys. Lett. 85, 3501~3503 (2004). -
大谷 義近,
ナノ磁気円盤格子の多彩な磁気物性,
パリティ 19 No.4, 44~48 (2004). -
赤羽 浩一, 木村 崇, 大谷 義近,
"高感度マイクロKerr磁化測定装置の開発",
日本応用磁気学会誌 28, 122~127 (2004). -
T. Kimura, Y. Otani, I. Yagi, K. Tsukagoshi, and Y. Aoyagi,
"Domain wall drag due to dc current injection into ferromagnetic nano-wires",
J. Magn. Magn. Mater. 272-276, E1347~E1348 (2004). -
T. Kimura, Y. Otani, K. Tsukagoshi, and Y. Aoyagi,
"Non-local Hall resistance measured in submicron-scale non-magnetic/ferromagnetic junctions Domain wall drag due to dc current injection into ferromagnetic nano-wires",
J. Magn. Magn. Mater. 272-276, E1333~E1334 (2004). -
J. Shibata, K. Shigeto, and Y. Otani,
"Dynamics of nano-scale magnetic vortices in ferromagnetic dot arrays",
J. Magn. Magn. Mater. 272-276, 1688~1689 (2004). -
G. Counil, J.-V. Kim, K. Shigeto, Y. Otani, T. Devolder, P. Crozat, H. Hurdequint, and C. Chappert,
"Inductive measurement of the high frequency permeability of a Permalloy thin film Dynamics of nano-scale magnetic vortices in ferromagnetic dot arrays",
J. Magn. Magn. Mater. 272-276, 290~292 (2004). -
J. Shibata, and Y. Otani,
"Magnetic vortex dynamics in a two-dimensional square lattice of ferromagnetic nanodisks",
Phys. Rev. B 70, 012404-1~4 (2004). -
G. N. Kakazei, P. E. Wigen, K. Y. Guslienko, V. Novosad, A. N. Slavin, V. O. Golub, N. A. Lesnik, and Y. Otani,
"Spin-wave spectra of perpendicularly magnetized circular submicron dot arrays",
Appl. Phys. Lett. 85, 443~445 (2004). -
大谷 義近,
スピンエレクトロニクスの基礎と最前線 第9章配列ドット格子と磁気物性,
シーエムシー出版, 東京 105~116 (2004). -
G. Counil, J.-V. Kim, T. Devolder, C. Chappert, K. Shigeto, and Y. Otani,
"Spin wave contributions to the high-frequency magnetic response of thin films obtained with inductive methods",
J. Appl. Phys. 95, 5646~5652 (2004).
2003
-
V. Novosad, M. Grimsditch, J. Darrouzet, J. Pearson, S. D. Bader, V. Metlushko, K. Guslienko, Y. Otani, H. Shima, and K. Fukamichi,
" Shape effect on magnetization reversal in chains of interacting ferromagnetic elements",
Appl. Phys. Lett. 82, 3716~3718 (2003). -
J. Shibata, K. Shigeto, and Y. Otani,
"Dynamics of magnetostatically coupled vortices in magnetic nanodisks",
Phys. Rev. B 67, 224404-1~5 (2003). -
G. N. Kakazei, P. E. Wigen, K. Yu Guslienko, R. W. Chantrell, N. A. Lesnik, V. Metlushko, H. Shima, K. Fukamichi, Y Otani, and V. Novosad,
"In-plane and out-of-plane uniaxial anisotropies in rectangular arrays of circular dots studied by ferromagnetic resonance",
J. Appl. Phys. 93, 8418~8420 (2003). -
T. Kimura, Y. Otani, I. Yagi, K. Tsukagoshi, and Y. Aoyagi,
"Spin-current-assisted domain-wall depinning in a submicron magnetic wire",
J. Appl. Phys. 94, 7947~7949 (2003). -
T. Kimura, Y. Otani, I. Yagi, K. Tsukagoshi, and Y. Aoyagi,
"Suppressed pinning filed of a trapped domain wall due to direct current injection",
J. Appl. Phys. 94, 7266~7268 (2003).
2002
V. Novosad, M. Grimsditch, K. Guslienko, P. Vavassori, Y. Otani, and S.D. Bader,
"Spin excitations in magnetic vortices in ferromagnetic nanodots",
Phys. Rev. B 66, 052407-1~4 (2002).