Rai Moriya

Last Update 2017.10.1                                              


  E-mail
  moriyar(at)iis.u-tokyo.ac.jp

  Professional preparation
  • April 1995 - March 1999, Physics Department, Tokyo University of Science, Bachelor of Science.
  • April 1999 - March 2001, Department of Information Processing, Tokyo Institute of Technology, Master of Engineering.
  • April 2001 - March 2004, Department of Information Processing, Tokyo Institute of Technology, Ph.D.

  Employment history
  • July 2004 to July. 2007, Postdoc, of IBM Research Division, Almaden Research Center.
  • July 2007 to March 2009, Research Staff Member of IBM Research Division, Almaden Research Center.
  • April 2009 to March 2017, Assistant professor of Institute of Industrial Science, University of Tokyo.
  • April 2017 to present, Project lecturer of Institute of Industrial Science, University of Tokyo.

  List of publication

  Google Scholar: Rai Moriya

  ORCID ID: orcid.org/0000-0001-7471-7432

  Researcher ID: P-1460-2016

  Paper
     
60. Yuji Yamasaki, Rai Moriya, Miho Arai, Satoru Masubuchi, Sunseng Pyon, Tsuyoshi Tamegai, Keiji Ueno and Tomoki Machida
“Exfoliation and van der Waals heterostructure assembly of intercalated ferromagnet Cr1/3TaS2
2D Materials 4, 041007 (2017).

59. Yusuke Hoshi, Takashi Kuroda, Mitsuhiro Okada, Rai Moriya, Satoru Masubuchi, Kenji Watanabe, Takashi Taniguchi, Ryo Kitaura, and Tomoki Machida
“Suppression of exciton-exciton annihilation in tungsten disulfide monolayers encapsulated by hexagonal boron nitrides”
Physical Review B 95, 241403(R) (2017).

58. Yasutomo Ota, Rai Moriya, Naoto Yabuki, Miho Arai, Masahiro Kakuda, Satoshi Iwamoto, Tomoki Machida, and Yasuhiko Arakawa
“Optical coupling between atomically thin black phosphorus and a two dimensional photonic crystal nanocavity”
Applied Physics Letters 110, 223105 (2017).

57. Yohta Sata, Rai Moriya, Satoru Masubuchi, Kenji Watanabe, Takashi Taniguchi, and Tomoki Machida
“N- and p-type carrier injections into WSe2 with van der Waals contacts of two-dimensional materials”
Japanese Journal of Applied Physics 56, 04CK09 (2017).

56. Takehiro Yamaguchi, Rai Moriya, Soichiro Oki, Shinya Yamada, Satoru Masubuchi, Kohei Hamaya, and Tomoki Machida
“Spin injection into multilayer graphene from highly spin-polarized Co2FeSi Heusler alloy”
Applid Physics Express 9, 063006 (2016).

55. Naoto Yabuki, Rai Moriya, Miho Arai, Yohta Sata, Sei Morikawa, Satoru Masubuchi, and Tomoki Machida
“Supercurrent in van der Waals Josephson junction”
Nature Communications 7, 10616 (2016).

54. Tomoki Machida, Sei Morikawa, Satoru Masubuchi, Rai Moriya, Miho Arai, Kenji Watanabe, and Takashi Taniguchi
“Edge-channel transport of Dirac fermions in graphene quantum Hall junctions”
Journal of the Physical Society of Japan 84, 121007 (2015).

53. Rai Moriya, Takehiro Yamaguchi, Yoshihisa Inoue, Yohta Sata, Sei Morikawa, Satoru Masubuchi, and Tomoki Machida
“Vertical field effect transistor based on graphene/transition metal dichalcogenide van der Waals heterostructure”
ECS Transactions 69, 357 (2015).

52. Miho Arai, Rai Moriya, Naoto Yabuki, Satoru Masubuchi, Keiji Ueno and Tomoki Machida
“Construction of van der Waals magnetic tunnel junction using ferromagnetic layered dichalcogenide”
Applied Physics Letters 107, 103107 (2015).

51. Yohta Sata, Rai Moriya, Sei Morikawa, Naoto Yabuki, Satoru Masubuchi, and Tomoki Machida
“Electric field modulation of Schottky barrier height in graphene/MoSe2 van der Waals heterointerface”
Applied Physics Letters 107, 023109 (2015).

50. Rai Moriya, Takehiro Yamaguchi, Yoshihisa Inoue, Yohta Sata, Sei Morikawa, Satoru Masubuchi, and Tomoki Machida
“Influence of the density of states of graphene on the transport properties of graphene/MoS2/metal vertical field-effect transistor”
Applied Physics Letters 106, 233103 (2015).

49. S. Morikawa, S. Masubuchi, R. Moriya, K. Watanabe, T. Taniguchi, and T. Machida
“Edge-channel interferometer at the graphene quantum Hall pn junction”
Applied Physics Letters 106, 183101 (2015).

48. Y. Sata, R. Moriya, T. Yamaguchi1, Y. Inoue, S. Morikawa, N. Yabuki, S. Masubuchi, and T. Machida
“Modulation of Schottky barrier height in graphene/MoS2/metal vertical heterostructure with large current ON–OFF ratio”
Japanese Journal of Applied Physics 54, 04DJ04 (2015).

47. T. Yamaguchi, R. Moriya, Y. Inoue, S. Morikawa, S. Masubuchi, and T. Machida
“Tunneling transport in a few monolayer-thick WS2/graphene heterojunction”
Applid Physics Letters 105, 223109 (2014).

46. R. Moriya, T. Yamaguchi, Y. Inoue, S. Morikawa, Y. Sata, S. Masubuchi, and T. Machida
“Large current modulation in exfoliated-graphene/MoS2/metal vertical heterostructures”
Applied Physics Letters 105, 083119 (2014).

45. R. Moriya, K. Sawano, Y. Hoshi, S. Masubuchi, Y. Shiraki, A. Wild, C. Neumann, G. Abstreiter, D. Bougeard, T. Koga, and T. Machida
“Cubic Rashba spin-orbit interaction of a two-dimensional hole gas in a strained-Ge/SiGe quantum well”
Physical Review Letters 113, 086601 (2014).

44. R. Moriya, E. Ikenaga, K. Shibata, K. Hirakawa, S. Masubuchi, and T. Machida
“Cross-sectional transmission electron microscopy analysis of a single self-assembled quantum dot single electron transistor fabricated by atomic force microscope local oxidation”
Japanese Journal of Applied Physics 53, 045202 (2014).

43. M. Arai, M. Onuki, S. Masubuchi, R. Moriya, and T. Machida
“Mid-infrared photo response of graphene nanoribbon bolometer”
Japanese Journal of Applied Physics 53, 035101 (2013).

42. R. Moriya, E. Ikenaga, S. Masubuchi, and T. Machida
“Cross-sectional transmission electron microscopy analysis of nanogap electrode”
Japanese Journal of Applied Physics 52, 055201 (2013).

41. T. Yamaguchi, Y. Inoue, S. Masubuchi, S. Morikawa, M. Onuki, K. Watanabe, T. Taniguchi, R. Moriya, and T. Machida
““Electrical spin injection into graphene through monolayer hexagonal boron nitride”
Applied Physics Express 6, 073001 (2013).

40. T. Yamaguchi, R. Moriya, S. Masubuchi, K. Iguchi, and T. Machida
“Spin relaxation in weak localization regime in multilayer graphene spin valves”
Japanese Journal of Applied Physics 52, 040205 (2013).

39. T. Satoh, Y. Terui, R. Moriya, B. A. Ivanov, K. Ando, E. Saitoh, T. Shimura, and K. Kuroda
“Directional control of spin wave emission by spatially shaped light”
Nature Photon. 6, 662 (2012).

38. L. Thomas, M. Hayashi, R. Moriya, C. Rettner, and S. S. P. Parkin
Topological repulsion between domain walls in magnetic nanowires leading to the formation of bound states
Nature Communications 3, 810 (2012)

37. X. Jiang, R. Moriya, and S. S. P. Parkin
Reducing spin torque switching current density by boron insertion into a CoFeB free layer of a magnetic tunnel junction
Applied Physics Letters 100, 172407 (2012)

36. H. Yang, M. E. Itkis, R. Moriya, C. Rettner, J.-S. Jeong, D. S. Pickard, R. C. Haddon, and S. S. P. Parkin, “Nonlocal spin transport in single-walled carbon nanotube networks”
Physical Review B 85, 052401 (2012)

35. T. Yamaguchi, S. Masubuchi, K. Iguchi, R. Moriya, and T. Machida, “Tunnel spin injection into graphene using Al2O3 barrier grown by atomic layer deposition on functionalized graphene surface”
J. Magn. Magn. Mater. 324, 849-852 (2011)

34. X. Jiang, L. Thomas, R. Moriya, and S. S. P. Parkin, “Discrete domain wall positioning due to pinning in current driven motion along nanowires”
Nano Letters 11, 96 (2011)

33. L. Thomas, R. Moriya, C. Rettner, and S. S. P. Parkin, “Dynamics of magnetic domain walls under their own inertia”
Science 330, 1810 (2010)

32. X. Jiang, L. Thomas, R. Moriya, M. Hayashi, B. Bergman, C. Rettner, and S. S. P. Parkin, “Enhanced stochasticity of domain wall motion in magnetic racetracks due to dynamic pinning”
Nature Communications 1, 25 (2010)

31. R. Moriya, M. Hayashi, L. Thomas, C. Rettner, and Stuart S. P. Parkin, “Dependence of field driven domain wall velocity on cross-sectional area in Ni65Fe20Co15 nanowire”
Applied Physics Letters 97, 142506, (2010)
 
30. R. Moriya, H. Kobayashi, K. Shibata, S. Masubuchi, K. Hirakawa, S. Ishida, Y. Arakawa, and T. Machida, “Fabrication of single-electron transistor composed of a self-assembled quantum dot and nanogap electrode by atomic force microscope local oxidation”
Applied Physics Express 3, 035001 (2010)
 
29. B. Bergman, R. Moriya, M. Hayashi, L. Thomas, C. Tyberg, Y. Lu, E. Joseph, M. Rothwell, J. Hummel, W. J. Gallagher, B. Koopmans, and S. S. P. Parkin, “Generation of local magnetic fields at megahertz rates for the study of domain wall propagation in magnetic nanowires”
Applied Physics Letters 95, 262503 (2009)
 
 28. Y. Guan, J. Z. Sun, X. Jiang, R. Moriya, L. Gao, and S. S. P. Parkin. "Thermal-magnetic noise measurement of spin-torque effects on ferromagnetic resonance in MgO-based magnetic tunnel junctions"
Applied Physics Letters 95, 082506 (2009)
 
27.  R. Moriya, L. Thomas, M. Hayashi, Y. B. Bazaliy, C. Rettener, and S. S. P. Parkin, “Probing vortex core dynamics using current induced resonant excitation of a trapped domain wall”
Nature Physics 4, 368 (2008)
 
26.  M. Hayashi, L. Thomas, R. Moriya, C. Rettner, and S. S. P. Parkin, “Current-Controlled Magnetic Domain-Wall Nanowire Shift Register”
Science 320, 209 (2008)
 
25.  M. Hayashi, L. Thomas, C. Rettner, R. Moriya, and S. S. P. Parkin, “Dynamics of domain wall depinning driven by a combination of direct and pulsed currents”
Applied Physics Letters 92, 162503 (2008)
 
24.  M. Hayashi, L. Thomas, C. Rettner, R. Moriya, and S. S. P. Parkin, “Real time observation of the field driven periodic transformation of domain walls in permalloy nanowires at the Larmor frequency and its first harmonic”
Applied Physics Letters 92,112510 (2008)
 
23.  L. Thomas, M. Hayashi, X. Jiang, R. Moriya, C. Rettner, and S. S. P. Parkin, “Resonant Amplification of Magnetic Domain-Wall Motion by a Train of Current Pulses”
Science 315, 1553 (2007)
 
22.  M. Hayashi, L. Thomas, C. Rettner, R. Moriya, and S. S. P. Parkin, “Direct observation of the coherent precession of magnetic domain walls propagating along permalloy nanowires”
Nature Physics 3, 21 (2007)
 
21.  M. Hayashi, L. Thomas, C. Rettner, R. Moriya, Y. B. Bazaliy, and S. S. P. Parkin, “Current driven domain wall velocities exceeding the spin angular momentum transfer rate in permalloy nanowires”
Physical Review Letters 98, 037204 (2007)
 
20.  L. Thomas, M. Hayashi, X. Jiang, R. Moriya, C. Rettner, and S. S. P. Parkin, “Oscillatory dependence of current-driven magnetic domain wall motion on current pulse length”
Nature 443, 197 (2006)
 
19.  M. Hayashi, L. Thomas, C. Rettner, R. Moriya, X. Jiang, and S. S. P. Parkin, “Dependence of current and field driven depinning of domain walls on their structure and chirality in permalloy nanowires”
Physical Review Letters 97, 207205 (2006)
 
18.  M. Hayashi, L. Thomas, Y. B. Bazaliy, C. Rettner, R. Moriya, X. Jiang, and S. S. P. Parkin, “Influence of current on field-driven domain wall motion in permalloy nanowires from time resolved measurements of anisotropic magnetoresistance”
Physical Review Letters 96, 197207 (2006)
 
17.  K. Hamaya, Y. Kitamoto, Y. Yamazaki, T. Taniyama, R. Moriya, and H. Munekata “Correlation between ferromagnetism and hole localization in very thin (Ga,Mn)As epilayers”
Journal of Applied Physics, 10D301 (2005)
 
16.  R. Moriya, K. Hamaya, A. Oiwa, and H. Munekata, “Magnetization reversal by electrical spin injection in ferromagnetic (Ga,Mn)As-based magnetic tunnel junctions”
Journal of Superconductivity 18, 3 (2005)
 
15.  K. Hamaya, T. Taniyama, Y. Kitamoto, Y. Yamazaki, R. Moriya, and H. Munekata “Anisotropic Magnetotransport due to Uniaxial Magnetic Anisotropy in (Ga,Mn)As Wires”
IEEE Transactions on Magnetics 40, 2682 (2004)
 
14.  A. Oiwa, R. Moriya, Y. Kashimura, and H. Munekata, “Formation of quantized states and spin dynamics in III-V-based ferromagnetic quantum wells”
Journal of Magnetism and Magnetic Materials 272-76, 2016 (2004)
 
13.  Y. Kashimura, R. Moriya, A. Oiwa, and H. Munekata, “Photo-induced magnetization rotation in III-V ferromagnetic alloy semiconductor quantum wells”
Physica E-Low-Dimensional Systems & Nanostructures 21, 987 (2004)
 
12.  K. Hamaya, R. Moriya, A. Oiwa, T. Taniyama, Y. Kitamoto, Y. Yamazaki, and H. Munekata, “Contribution of shape anisotropy to the magnetic configuration of (Ga, Mn)As”
Japanese Journal of Applied Physics Part 2-Letters 43, L306 (2004)
 
11.  R. Moriya, K. Hamaya, A. Oiwa, and H. Munekata, “Current-induced magnetization reversal in a (Ga,Mn)As-based magnetic tunnel junction”
Japanese Journal of Applied Physics Part 2-Letters & Express Letters 43, L825 (2004)
 
10.  K. Hamaya, T. Taniyama, Y. Kitamoto, R. Moriya, and H. Munekata “Magnetotransport study of temperature dependent magnetic anisotropy in a (Ga,Mn)As epilayer
Journal of Applied Physics, 94, 7657 (2003)
 
9.  K. Hamaya, R. Moriya, A. Oiwa, T. Taniyama, Y. Kitamoto, H. Munekata, “Control of magnetic anisotropy and magnetotransport in epitaxial micropatterned (Ga,Mn)As wire structures”
IEEE Transactions on Magnetics 39, 2785 (2003)
 
8.  H. Munekata, A. Oiwa, Y. Mitsumori, R. Moriya, and T. Slupinski, “Rotation of ferromagnetically coupled Mn spins in (Ga,Mn) as by hole spins”
Journal of Superconductivity 16, 411 (2003)
 
7.  A. Oiwa, R. Moriya, Y. Mitsumori, T. Slupinski, and H. Munekata, “Manifestation of local magnetic domain reversal by spin-polarized carrier injection in (Ga,Mn)As thin films”
Journal of Superconductivity 16, 439 (2003)
 
6.  R. Moriya, and H. Munekata, “Relation among concentration of incorporated Mn atoms , ionized Mn acceptors, and holes in p-(Ga, Mn)As”
Journal of Applied Physics 93, 4603 (2003)
 
5.  H. Lee, T. D. Kang, Y. J. Park, H. T. Oh, H. Y. Cho, R. Moriya, H. Munekata, “Spectroscopic ellipsometric properties of Ga1-xFexAs dilute magnetic semiconductors”
Journal of the Korean Physical Society 42, S441 (2003)
 
4.  Y. J. Park, H. T. Oh, C. J. Park, H. Y. Cho, Y. Shon, E. K. Kim, R. Moriya, H. Munekata, “Characteristics of molecular beam epitaxy-grown GaFeAs”
Current Applied Physics 2, 379 (2002)
 
3.  A. Oiwa, Y. mitsmori, R. Moriya, T. Slupinski, and H. Munekata, “Effect of Optical Spin Injection on Ferromagneitically Coupled Mn Spins in the III-V Magnetic Alloy Semiconductor (Ga,Mn)As”
Phys. Rev. Lett. 88, 137202 (2002)
 
2.  R. Moriya, H. Munekata, T. Kondo, and A. Oiwa, “Preparatin of quaternary magnetic alloy semiconductor epilayers (Ga,Mn,Fe)As”
J. Crystal Growth 237-239, 1344 (2002)
 
1.  R. Moriya, Y. Katsumata, Y. Takatani, S. Haneda, T. Kondo, and H. Munekata, “Preparation and magneto-optical property of Highly-resistive (Ga,Fe)As epilayers”
Physica E10, 224 (2001)
 

   

   Article
  中村浩之・守谷 頼・古賀貴亮, “ラシュバ効果の新展開―InGaAsからSrTiO3まで”
固体物理49, 519 (2014)
 
   
     
     

   Book
  守谷 頼 “カルコゲナイド系層状物質単結晶の劈開と転写によるヘテロ接合形成”
カルコゲナイド系層状物質の最新研究
, 第2編, 99 (2016)
 
  守谷 頼 “カルコゲナイド系層状物質のスピントロニクス応用”
カルコゲナイド系層状物質の最新研究第
, 第3編, 237 (2016)
     
     

   Patent
  R. Moriya, S. S. P. Parkin, and L. Thomas, “Magnetic racetrack with current-controlled motion of domin walls within an undulating energy landscape”
U.S. Patent No. 7,626,844  (2009); U.S. Patent No. 7,667,994  (2010)