Faculty Information, Institute for Chemical Research, Kyoto University [ English | Japanese ]
MORIYAMA, Takahiro Division of Materials Chemistry - Nanospintronics - Associate Professor Ph.D. Physics URL:http://www.kuchem.kyoto-u.ac.jp/organization/lab/nano.html E-mail: mtaka@scl.kyoto-u.ac.jp Tel: +81-774-38-3123 Fax: |
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Academic career
- Spintronics, Spin dynamics, and Magnetic materials.
- High frequency spintronic devices.
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- W. S. Ham, S. Kim, D.-H. Kim, K.-J. Kim, T. Okuno, H. Yoshikawa, A. Tsukamoto, T. Moriyama, and T. Ono, "Temperature dependence of spin-orbit effective fields in Pt/GdFeCo bilayers"
*Applied Physics Letters***110**, 242405 (2017) - S. Kim, P.-H. Jang, D.-H. Kim, M. Ishibashi, T. Taniguchi, T. Moriyama, K.-J. Kim, K.-J. Lee, and T. Ono, "Magnetic droplet nucleation with a homochiral Néel domain wall"
*Physical Review B***95**, 220402 (2017) - H. Kakizakai, K. Yamada, F. Ando, M. Kawaguchi, T. Koyama, S. Kim, T. Moriyama, D. Chiba, and T. Ono, "Influence of sloped electric field on magnetic-field-induced domain wall creep in a perpendicularly magnetized Co wire"
*Japanese Journal of Applied Physics***56**, 050305 (2017) - K. T. Yamada, T. Koyama, H. Kakizakai, K. Miwa, F. Ando, M. Ishibashi, K.-J. Kim, T. Moriyama, S. Ono, D. Chiba, and T. Ono, "Electrical control of superparamagnetism"
*Applied Physics Express***10**, 013004 (2017) - K.-J. Kim, Y. Yoshimura, W. -S. Ham, R. Ernst, Y. Hirata, T. Li, S. Kim, T. Moriyama, Y. Nakatani, and T. Ono, "Energy-efficient writing scheme for magnetic domain-wall motion memory"
*Applied Physics Express***10**, 043002 (2017) - H. Kakizakai, K. Yamada, F. Ando, M. Kawaguchi, T. Koyama, S. Kim, T. Moriyama, D. Chiba, and T. Ono, "Influence of sloped electric field on magnetic-field-induced domain wall creep in a perpendicularly magnetized Co wire"
*Japanese Journal of Applied Physics***56**, 050305 (2017) - K. Oda, T. Moriyama, M. Kawaguchi, M. Kamiya, K. Tanaka, K.-J. Kim, and T. Ono , "Exchange bias controlled by electric current: Interplay of Joule heating and the induced field"
*Japanese Journal of Applied Physics***55**, 070304 (2016) - T. Okuno, T. Taniguchi, S. Kim, S.-h. C. Baek, B.-G. Park, T. Moriyama, K.-J. Kim, T. Ono, "Temperature dependence of spin Hall magnetoresistance in W/CoFeB bilayer"
*Japanese Journal of Applied Physics***55**, 080308 (2016) - F. Ando, H. Kakizakai, T. Koyama, K. Yamada, M. Kawaguchi, S. Kim, K.-J. Kim, T. Moriyama, D. Chiba, and T. Ono, "Modulation of the magnetic domain size induced by an electric field"
*Applied Physics Letters***109**, 022401 (2016) - J. Stigloher, M. Decker, H. S. Körner, K. Tanabe, T. Moriyama, T. Taniguchi, H. Hata, M. Madami, G. Gubbiotti, K. Kobayashi, T. Ono, and C. H. Back, "Snell's Law for Spin Waves"
*Physical Review Letters***117**, 037204 (2016) - T. Okuno, K.-J. Kim, T. Tono, S. Kim, T. Moriyama, H. Yoshikawa, A. Tsukamoto, and T. Ono, "Temperature dependence of magnetoresistance in GdFeCo/Pt heterostructure"
*Applied Physics Express***9**, 073001 (2016) - H. Kakizakai, F. Ando, T. Koyama, K. Yamada, M. Kawaguchi, S. Kim, K.-J. Kim, T. Moriyama, D. Chiba, T. Ono, "Switching local magnetization by electric-field-induced domain wall motion"
*Applied Physics Express***9**, 063004 (2016) - K.-J. Kim, Y. Yoshimura, T. Okuno, T. Moriyama, S.-W. Lee, K.-J. Lee, Y. Nakatani, T. Ono, "Observation of asymmetry in domain wall velocity under transverse magnetic field"
*APL Materials***4**, 032504 (2016) - S. Takeshita, S. Matsuo, T. Tanaka, S. Nakaharai, K. Tsukagoshi, T. Moriyama, T. Ono, T. Arakawa, K. Kobayashi, "Anomalous behavior of 1/f noise in graphene near the charge neutrality point"
*Applied Physics Letters***108**, 103106 (2016) - K. Tanabe, R. Matsumoto, J.‐I. Ohe, S. Murakami, T. Moriyama, D. Chiba, K. Kobayashi, T. Ono, "Observation of magnon Hall‐like effect for sample‐edge scattering in unsaturated YIG"
*Physica Status Solidi (B)***253**, 783 (2016) - P. G. Gowtham, T. Moriyama, D. C. Ralph, and R. A. Buhrman, "Traveling surface spin-wave resonance spectroscopy using surface acoustic waves"
*Journal of Applied Physics***118**, 233910 (2015) - H. S. Korner, J. Stigloher, H. G. Bauer, H. Hata, T. Taniguchi, T. Moriyama, T. Ono, and C. H. Back, "Interfacial Dzyaloshinskii-Moriya interaction studied by time-resolved scanning Kerr microscopy"
*Physical Review B***92**, 220413 (2015) - Y. Yoshimura, K.-J. Kim, T. Taniguchi, T. Tono, K. Ueda, R. Hiramatsu, T. Moriyama, K. Yamada, Y. Nakatani, T. Ono, "Soliton-like magnetic domain wall motion induced by the interfacial Dzyaloshinskii-Moriya interaction"
*Nature Physics***12**, 157 (2015) - T. Moriyama, N. Matsuzaki, K.-J. Kim, I. Suzuki, T. Taniyama, and T. Ono, "Sequential write-read operations in FeRh antiferromagnetic memory "
*Applied Physics Letters***107**, 122403 (2015) - M. Nagata, T. Moriyama, K. Tanabe, K. Tanaka, D. Chiba, J-i Ohe, Y. Hisamatsu, T. Niizeki, H. Yanagihara, E. Kita, and T. Ono, "Spin motive force induced in Fe3O4 thin films with negative spin polarization"
*Applied Physics Express***8**, 123001 (2015) - S. Matsuo, S. Takeshita, T. Tanaka, S. Nakaharai, K. Tsukagoshi, T. Moriyama, T. Ono, and K. Kobayashi, "Edge mixing dynamics in graphene p?n junctions in the quantum Hall regime"
*Nature Communications***6**, 8066 (2015) - S. Takei, T. Moriyama, T. Ono, Y. Tserkovnyak, "Antiferromagnet-mediated spin transfer between metal and ferromagnet"
*Physical Review B***92**, 020409R (2015) - S. Matsuo, S. Nakaharai, K. Komatsu, K. Tsukagoshi, T. Moriyama, T. Ono, and K. Kobayashi, "Parity effect of bipolar quantum Hall edge transport around graphene antidots"
*Scientific Reports***5**, 11723 (2015) - N. Matsuzaki, T. Moriyama, M. Nagata, K.-J. Kim, I. Suzuki, T. Taniyama, T. Ono, "Current induced antiferro-ferromagnetic transition in FeRh nanowires"
*Japanese Journal of Applied Physics***54**, 073002 (2015) - H. Mizuno, T. Moriyama, M. Kawaguchi, M. Nagata, K. Tanaka, T. Koyama, D. Chiba, and T. Ono, "Ferromagnetic resonance measurements in sub-nanometer Fe films"
*Applied Physics Express***8**, 073003 (2015) - H. Hata, T. Moriyama, K. Tanabe, K. Kobayashi, R. Matsumoto, S. Murakami, J. Ohe, D. Chiba, and T. Ono, "Micromagnetic simulation of spin wave propagation in a ferromagnetic film with different thicknesses "
*Journal of the Magnetics Society of Japan***39**, 151 (2015) - T. Taniguchi, K.-J. Kim, T.i Tono, S. Kim, T. Moriyama, and T. Ono, "Dimensional crossover characterized by distribution of magnetic domain wall creep velocity"
*Applied Physics Express***8**, 073004 (2015) - T. Tono, T. Taniguchi, K.-J. Kim, T. Moriyama, A. Tsukamoto, and T. Ono, "Chiral magnetic domain wall in ferrimagnetic GdFeCo wires"
*Applied Physics Express***8**, 073001 (2015) - T. Taniguchi, K.-J. Kim, T. Tono, T. Moriyama, Y. Nakatani, T. Ono, "Precise control of magnetic domain wall displacement by a nanosecond current pulse in Co/Ni nanowires"
*Applied Physics Express***8**, 073008 (2015) - T. Moriyama, S. Yoon, and R.D. McMichael, "Ferromagnetic resonance measurement using stroboscopic magneto-optical Kerr effect"
*Journal of Applied Physics***117**, 213908 (2015) - T. Moriyama, S. Takei, M. Nagata, Y. Yoshimura, N. Matsuzaki, T. Terashima, Y. Tserkovnyak, and T. Ono, "Anti-damping spin transfer torque through epitaxial nickel oxide"
*Applied Physics Letters***106**, 162406 (2015) - M. Kawaguchi, T. Moriyama, T. Koyama, D. Chiba and T. Ono, "Layer thickness dependence of current induced effective fields in ferromagnetic multilayers"
*Journal of Applied Physics***117**, 17C730 (2015) - M. Madami, G. Gubbiotti, T. Moriyama, K. Tanaka, G. Siracusano, M. Carpentieri, G. Finocchio, S. Tacchi, T. Ono, and G. Carlotti, "Micro-focused Brillouin light scattering study of the magnetization dynamics driven by Spin Hall effect in a transversely magnetized rectangular NiFe nanowire"
*Journal of Applied Physics***117**, 17D504 (2015) - K. Ueda, K.-J. Kim, T. Taniguchi, T. Tono, T. Moriyama, and T. Ono, "In-plane field-driven crossover in the spin-torque mechanism acting on magnetic domain walls in Co/Ni"
*Physical Review B***91**, 060405 (2015) - K. Ueda, R. Hiramatsu, K.-J. Kim, T. Taniguchi, T. Tono, T. Moriyama, and T. Ono, "Temperature dependence of current-induced magnetic domain wall motion in an asymmetric Co/Ni nanowire "
*Japanese Journal of Applied Physics***54**, 038004 (2015) - R. Hiramatsu, K.-J. Kim, T. Taniguchi, T. Tono, T. Moriyama, S. Fukami, M. Yamanouchi, H. Ohno, Y. Nakatani, and T. Ono, "Localized precessional mode of domain wall controlled by magnetic field and dc current"
*Applied Physics Express***8**, 023003 (2015) - K.-J. Kim, R. Hiramatsu, T. Moriyama, H. Tanigawa, T. Suzuki, E. Kariyada, and T. Ono, "Tradeoff between low-power operation and thermal stability in magnetic domain-wall-motion devices driven by spin Hall torque"
*Applied Physics Express***7**, 053003 (2014) - K. Ueda, K.-J. Kim, Y. Yoshimura, R. Hiramatsu, T. Moriyama, D. Chiba, H. Tanigawa, T. Suzuki, E. Kariyada, and T. Ono, "Transition in mechanism for current-driven magnetic domain wall dynamics"
*Applied Physics Express***7**, 053006 (2014) - K. Tanabe, R. Matsumoto, J. Ohe, S. Murakami, T. Moriyama, D. Chiba, K. Kobayashi, and T. Ono, "Real-time observation of Snell's law for spin waves in thin ferromagnetic films"
*Applied Physics Express***7**, 053001 (2014) - T. Taniguchi, K.-J. Kim, Y. Yoshimura, T. Moriyama, H. Tanigawa, T. Suzuki, E. Kariyada, and T. Ono, "Different stochastic behaviors for magnetic field and current in domain wall creep motion "
*Applied Physics Express***7**, 053005 (2014) - K. Tanaka, T. Moriyama, M. Nagata, T. Seki, K. Takanashi, S. Takahashi, and T. Ono, "Linewidth broadening of optical precession mode in synthetic antiferromagnet"
*Applied Physics Express***7**, 063010 (2014) - M. Nagata, K. Tanabe, T. Moriyama, D. Chiba, J. Ohe, M. Myoka, T. Niizeki, H. Yanagihara, E. Kita, and T. Ono, "Ferromagnetic Resonance in Magnetite Thin Films"
*IEEE Transactions on Magnetics***50**, 1400203 (2014) - Y. Yoshimura, T. Koyama, D. Chiba, Y. Nakatani, S. Fukami, M. Yamanouchi, H. Ohno, K.-J. Kim, T. Moriyama, and T. Ono, "Effect of spin Hall torque on current induced precessional domain wall motion"
*Applied Physics Express***7**, 033005 (2014) - H. Hata, T. Taniguchi, H.-W. Lee, T. Moriyama, and T. Ono, "Spin-wave-induced domain wall motion in perpendicularly magnetized system"
*Applied Physics Express***7**, 033001 (2014) - M. Carpentieri, T. Moriyama, B. Azzerboni, and G. Finocchio, "Injection locking at zero field in two free layer spin-valves"
*Applied Physics Letters***102**, 102413 (2013) - T. Koyama, H. Hata, K.-J. Kim, T. Moriyama, H. Tanigawa, T. Suzuki, Y. Nakatani, D. Chiba, and T. Ono, "Current-Induced Magnetic Domain Wall Motion in a Co/Ni Nanowire with Structural Inversion Asymmetry"
*Applied Physics Express***6**, 033001 (2013) - T. Moriyama, G. Finocchio, M. Carpentieri, B. Azzerboni, D. C. Ralph, and R. A. Buhrman, "Phase locking and frequency doubling in spin-transfer-torque oscillators with two coupled free layers"
*Physical Review B***86**, 060411R (2012) - G. Jan, Y. J. Wang, T. Moriyama, Y. J. Lee, M. Lin, T. Zhong, R. Y. Tong, T. Torng, and P. K. Wang, "High Spin Torque Efficiency of Magnetic Tunnel Junctions with MgO/CoFeB/MgO Free Layer"
*Applied Physics Express***5**, 093008 (2012) - D. C. Ralph, Y.-T. Cui, L. Q. Liu, T. Moriyama, C. Wang, and R. A. Buhrman,, "Spin-transfer torque in nanoscale magnetic devices"
*Philosophical Transactions of the Royal Society A***369**, 3617 (2011) - L. Q. Liu, T. Moriyama, D. C. Ralph, and R. A. Buhrman,, "Spin torque ferromagnetic resonance induced by the Spin Hall Effect"
*Physical Review Letters***106**, 036601 (2011) - X. Fan, Y. Zhang, X. Kou, R. Cao, T. Moriyama, H. Zhang, J. Q. Xiao, "On-Chip Detection of Magnetic Dynamics for SingleMicroscopic Magnetic Dot"
*IEEE Transactions on Magnetics***47**, 359 (2011) - T. Moriyama, T. Gudmundsen, P. Y. Huang, L. Liu , D. A. Muller, R. A. Buhrman , D. C. Ralph,, "Tunnel Magnetoresistance and Spin Torque Switching in MgO-based Magnetic Tunnel Junctions with a Co/Ni Multilayer Electrode"
*Applied Physics Letters***97**, 072513 (2010) - L. Liu, T. Moriyama, D. C. Ralph, and R. A. Buhrman,, "Reduction of the spin-torque critical current by partially canceling the free layer demagnetization field"
*Applied Physics Letters***94**, 122508 (2009) - X. Fan, R. Cao, T. Moriyama, W. Wang, H. W. Zhang, J. Q. Xiao,, "Magnetic tunnel junction based microwave detector"
*Applied Physics Letters***95**, 122501 (2009) - T. Moriyama, X. Fan, Y. Q. Wen, H. W. Zhang, and J. Q. Xiao,, "FMR spectroscopy with very large precessioin cone angle in magnetic tunnel junctions"
*IEEE Transactions on Magnetics***45**, 2047 (2009) - R. Cao, T. Moriyama, W. G. Wang, X. Fan, J. Kolodzey, S. H. Chen, C. R. Chang, Y. Tserkovnyak, B. K. Nikolic, J. Q. Xiao,, "Spin-Polarized Transport and Dynamics in Magnetic Tunneling Structures"
*IEEE Transactions on Magnetics***45**, 3434 (2009) - R. Cao, X. Fan, T. Moriyama, and J. Q. Xiao,, "Nonlinear effective spin-mixing conductance in Pt/Ni80Fe20/Pt thin films"
*Journal of Applied Physics***105**, 07C705 (2009) - T. Moriyama, R. Cao, X. Fan, G. Xuan, B. K. Nikolic, Y. Tserkovnyak, J. Kolodzey, and J. Q. Xiao,, "Tunnel barrier enhanced voltage signal generated by magnetization precession of a single ferromagnetic layer"
*Physical Review Letters***100**, 067602 (2008) - Y. Tserkovnyak, T. Moriyama, and J. Q. Xiao,, "Tunnel-barrier enhanced voltage induced by magnetization dynamincs"
*Physical Review B***78**, 020401R (2008) - T. Moriyama, R. Cao, J. Q. Xiao, J. Lu, X. R. Wang, Q. Wen, and H. W. Zhang,, "Magnetization reversed by microwave in magnetic tunnel junctions"
*Journal of Applied Physics***103**, 07A906 (2008) - W. G. Wang, C. Ni, A. Rumaiz, Y. Wang, X. Fan, T. Moriyama, R. Cao, Q. Y. Wen, H. W. Zhang, and J. Q. Xiao,, "Real-time evolution of tunneling magnetoresistance during annealing in CoFeB/MgO/CoFeB magnetic tunnel junctions"
*Applied Physics Letters***92**, 152501 (2008) - W. G. Wang, K. J. Yeeb, D. H. Kimc, X. R. Wang, C. Ni, T. Moriyama, A. Mathew, R. Opilae, T. Zhu, and J. Q. Xiao,, "Microstructure, magnetic, and spin-dependent transport properties of (Zn,Cr)Te films fabricated by magnetron sputtering"
*Physical Review B***77**, 155207 (2008) - Y. Z. Liu, W. G. Wang, T. Moriyama, J. Q. Xiao, and Z. Zhang,, "Direct measurement of barrier asymmetry in AlOx/ZrOy magnetic tunnel junctions using off-axis electron holography"
*Physical Review B***75**, 134420 (2007) - T. Moriyama, R. Cao, J. Q. Xiao, J. Lu, X. R. Wang, Q. Wen, and H. W. Zhang,, "Microwave-assisted magnetization switching of Ni80Fe20 in magnetic tunnel junctions"
*Applied Physics Letters***90**, 152503 (2007) - M. J. Bonder, B. Srinivasan, G. Poirier, T. Moriyama, K. L. Kiick, and G. C. Hadjipanayis,, "In vitro heating with polyethylene glycol coated Fe nanoparticles"
*Ieee Transactions on Magnetics***42**, 3602 (2006) - W. G. Wang, C. Ni, T. Moriyama, J. Wan, E. Nowak, and J. Q. Xiao,, "Spin-polarized transport in hybrid (ZnCr)Te/Al2O3/Co magnetic tunnel junctions"
*Applied Physics Letters***88**, 202501 (2006) - T. Moriyama, C. Ni, W. G. Wang, X. Zhang, and J. Q. Xiao,, "Tunneling magnetoresistance in (001)-oriented FeCo/MgO/FeCo magnetic tunneling junctions grown by sputtering deposition"
*Applied Physics Letters***88**, 222503 (2006) - T. Moriyama, S. Mitani, T. Seki, T. Shima, K. Takanashi, and A. Sakuma,, "Magnetic tunnel junctions with L1(0)-ordered FePt alloy electrodes"
*Journal of Applied Physics***95**, 6789 (2004) - S. Mitani, T. Moriyama, and K. Takanashi,, "Fe/MgO/FeCo(100) epitaxial magnetic tunnel junctions prepared by using in situ plasma oxidation"
*Journal of Applied Physics***93**, 8041 (2003) - S. Mitani, T. Moriyama, and K. Takanashi,, "Structure and tunnel magnetoresistance in Fe/MgF2/Co junctions with an oxide seed layer on an Fe bottom electrode"
*Journal of Applied Physics***91**, 7200 (2002) - T. Moriyama, S. Mitani, and K. Takanashi,, "Tunnel Magnetoresistance in Fe/MgO/MgF2/Co Junctions"
*Journal of the Magnetics Society of Japan***26**, 405 (2002) - internal,
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Update: Sep 20,2017 |