Publication

 ◆ List of publications

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

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

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

57. “Dirac fermion reflector by ballistic graphene sawtooth-shaped npn junctions”
Sei Morikawa, Quentin Wilmart, Satoru Masubuchi, Kenji Watanabe, Takashi Taniguchi, Bernard Plaçais, and Tomoki Machida
Semiconductor Science and Technology 32, 045010 (2017)

56. “Comparison of magnetoresistances of triangular and rectangular ballistic graphene npn junctions”
Sei Morikawa, Satroru Masubuchi, Kenji Watanabe, Takashi Taniguchi, and Tomoki Machida
Japanese Journal of Applied Physics 55, 100305 (2016)

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

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

53. “Imaging ballistic carrier trajectories in graphene using scanning gate microscopy”
Sei Morikawa, Ziwei Dou, Shu-Wei Wang, Charles G. Smith, Kenji Watanabe, Takashi Taniguchi, Satoru Masubuchi, Tomoki Machida, and Malcolm R. Connolly
Applied Physics Letters 107, 243102 (2015)

52. “Edge-Channel Transport of Dirac Fermions in Graphene Quantum Hall Junctions”
Tomoki Machida, Sei Morikawa, Satoru Masubuchi, Rai Moriya, Miho Arai, Kenji Watanabe, Takashi Taniguchi
Journal of the Physical Society of Japan 84, 121007 (2015)

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

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

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

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

47. “Edge-channel interferometer at the graphene quantum Hall pn junction”
Sei Morikawa, Satoru Masubuchi, Rai Moriya, Kenji Watanabe, Takashi Taniguchi, and Tomoki Machida
Applied Physics Letters 106, 183101 (2015)

46. “Fabrication of 10-nm-scale nanoconstrictions in graphene using atomic force microscopy-based local anodic oxidation lithography”
Miho Arai, Satoru Masubuchi, Kenji Nose, Yoshitaka Mitsuda and Tomoki Machida
Japanese Journal of Applied Physics 54, 04DJ06 (2015)

45. “Modulation of Schottky barrier height in graphene/MoS₂/metal vertical heterostructure with large current ON-OFF ratio”
Yohta Sata, Rai Moriya, Takehiro Yamaguchi, Yoshihisa Inoue, Sei Morikawa, Naoto Yabuki, Satoru Masubuchi, and Tomoki Machida
Japanese Journal of Applied Physics 54, 04DJ04 (2015)

44. “Tunneling transport in a few monolayer-thick WS₂/graphene heterojunction”
Takehiro Yamaguchi, Rai Moriya, Yoshihisa Inoue, Sei Morikawa, Satoru Masubuchi, Kenji Watanabe, Takashi Taniguchi, and Tomoki Machida
Applied Physics Letters 105, 223109 (2014)

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

42. “Cubic Rashba Spin-Orbit Interaction of a Two-Dimensional Hole Gas in a Strained-Ge/SiGe Quantum Well”
R. Moriya, K. Sawano, Y. Hoshi, S. Masubuchi, Y. Shiraki, A. Wild, C. Neumann, G. Abstreiter, D. Bougeard, T. Koga, and T. Machida
Physical Review Letters 113, 086601 (2014)

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

40. “Mid-infrared photoresponse of graphene nanoribbon bolometer”
M. Arai, M. Onuki, S. Masubuchi, R. Moriya and T. Machida
Japanese Journal of Applied Physics 53, 035101 (2014)

39. “Fabrication and Characterization of High-Mobility Graphene p-n-p Junctions”
S. Masubuchi, S. Morikawa, M. Onuki, K. Iguchi, K. Watanabe, T. Taniguchi, and T. Machida
Japanese Journal of Applied Physics 52, 110105 (2013)

38. “Photovoltaic infrared photoresponse of the high-mobility graphene quantum Hall system due to cyclotron resonance”
S. Masubuchi, M. Onuki, M. Arai, T. Yamaguchi, K. Watanabe, T. Taniguchi, and T. Machida
Phys. Rev. B 88, 121402(R) (2013)

37. “Electrical spin injection into graphene through monolayer hexagonal boron nitride”
Takehiro Yamaguchi, Yoshihisa Inoue, Satoru Masubuchi, Sei Morikawa, Masahiro Onuki, Kenji Watanabe, 　　Takashi Taniguchi, Rai Moriya, and Tomoki Machida
Applid Physics Express 6, 073001 (2013)

36. “Cross-sectional Transmission Electron Microscopy Analysis of Nanogap Electrode”
Rai Moriya, Eriko Ikenaga, Satoru Masubuchi, Tomoki Machida
Jpn. J. Appl. Phys. 52, 055201 (2013)

35. “Spin relaxation in weak localization regime in multilayer graphene spin valves”
Takehiro Yamaguchi, Rai Moriya, Satoru Masubuchi, Kazuyuki Iguchi,and Tomoki Machida
Jpn. J. Appl. Phys. 52, 040205 (2013)

34. “Boundary Scattering in Ballistic Graphene”
S. Masubuchi, K. Iguchi, T. Yamaguchi, M. Onuki, M. Arai, K. Watanabe, T. Taniguchi, and T. Machida
Phys. Rev. Lett. 109, 036601 (2012)

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

32. “Single-electron switching effect in graphene parallel-coupled double quantum dots”
M. Arai, S. Masubuchi, and T. Machida
J. Phys.: Conf. Ser. 334, 012041 (2011)

31. “Observation of quantum Hall effect in mono- and bi-layer graphene using pulse magnet”
S. Masubuchi, K. Suga, K. Kindo, S. Takeyama, and T. Machida
J. Phys.: Conf. Ser. 334, 012037 (2011)

30. “Atomic force microscopy based tunable local anodic oxidation of graphene”
S. Masubuchi, M. Arai, and T. Machida
Nano Lett. 11, 4542-4546 (2011)

29. “Spatial gradient of dynamic nuclear spin polarization induced by breakdown of the quantum Hall effect”
M. Kawamura, K. Kono, Y. Hashimoto, S. Katsumoto, and T. Machida
Phys. Rev. B 83, 041305(R)-1-4 (2011)

28. “Fabrication of single-electron transistor composed of a self-assembled quantum dot and nanogap electrode by atomic force microscope local oxidation”
R. Moriya, H. Kobayashi, K. Shibata, S. Masubuchi, K. Hirakawa, S. Ishida, Y. Arakawa, and T. Machida
Appl. Phys. Express 3, 035001-1-3 （2010)

27. “Scanning microscopy of nuclear spin polarization via quantum Hall edge channels”
T. Nakajima, Y. Kobayashi, S. Komiyama, M. Tsuboi, and T. Machida
Phys. Rev. B 81, 085322-1-7 (2010)

26. “Strain-induced enhancement of electric quadrupole splitting in resistively detected nuclear magnetic resonance spectrum in quantum Hall systems”
M. Kawamura, T. Yamashita, H. Takahashi, S. Masubuchi, Y. Hashimoto, S. Katsumoto, and
T. Machida
Appl. Phys. Lett. 96, 032102-1-3 (2010)

25. “Spin-related current suppression in a semiconductor-quantum-dot spin-diode structure”
K. Hamaya, M. Kitabatake, K. Shibata, M. Jung, S. Ishida, T. Taniyama, K Hirakawa,Y. Arakawa,
and T. Machida
Phys. Rev. Lett. 102, 236806-1-4　（2009)

24. “Dynamic nuclear polarization induced by breakdown of fractional quantum Hall effect”
M. Kawamura, M. Ono, Y. Hashimoto, S. Katsumoto, K. Hamaya, and T. Machida
Phys. Rev. B 79, 193304-1-4 （2009）

23. “Coherent manipulation of nuclear spins in the breakdown regime of integer quantum Hall states”
M Kawamura, H Takahashi, Y Hashimoto, S Katsumoto and T Machida
Journal of Physcs: Conference Series，150, 02203-1-4 （2009）

22. “Fabrication of graphene nanoribbon by local anodic oxidation lithography using atomic force microscope”
S. Masubuchi, M. Ono, K. Yoshida, K. Hirakawa, and T. Machida
Appl. Phys. Lett. 94, 082107-1-3 (2009)

21. “Tunneling magnetoresistance effect in a few-electron quantum-dot spin valve”
K. Hamaya, M. Kitabatake, K. Shibata, M. Jung, M. Kawamura, S. Ishida, T. Taniyama, K. Hirakawa,
Y. Arakawa, and T. Machida
Appl. Phys. Lett. 93, 222107-1-3 (2008)

20. “Observation of Half-Integer quantum Hall effect in single-layer graphene using pulse magneｔ ”
S. Masubuchi, K. Suga, M. Ono, K. Kindo, S. Takeyama, and T. Machida
J. Phys. Soc. Jpn. 77, 113707 (2008)

19. “Spin transport in a single InAs quantum dot attached to ferromagnetic electrodes”
T. Machida and K. Hamaya
Extended Abstracts of the 2008 International Conference on Solid State Device and Materials
(SSDM2008) pp. 1066-1067 (2008)

18. “Valley-splitting edge-channel transport in a Si/SiGe quantum Hall system”
K. Sugihara, K. Hamaya, M. Kawamura, K. Sawano, Y. Shiraki, and　T. Machida
Physica E. 40, 1523-1525　(2008)

17. “Dynamic nuclear polarization and Knigaht shift measurements in a breakdown regime of integer quantum Hall effect”
M. Kawamura, H. Takahashi, S. Masubuchi, Y. Hashimoto, S. Katsumoto, K. Hamaya, and T. Machida
Physica. E. 40, 1389-1391 (2008)

16. “Oscillatory changes in the tunneling magnetoresistance effect in semiconductor quantum-dot spin valves”
K. Hamaya, M. Kitabatake, K. Shibata, M. Jung, M. Kawamura, S. Ishida, T. Taniyama, K. Hirakawa,
Y. Arakawa, and T. Machida
Phys. Rev. B.77, 081302-1-4 (2008)

15. “Dynamic nuclear polarization in a quantum Hall corbino disk”
M. Kawamura, H. Takahashi, S. Masubuchi, Y. Hashimoto, S. Katsumoto, K. Hamaya, and T. Machida
J. Phys. Soc. Jpn 77 023710-1-4 (2007)

14. “Kondo effect in semiconductor quantum dot coupled to ferromagnetic electrodes”
K. Hamaya, M. Kitabatake, K. Shibata, M. Jung, M. Kawamura, K. Hirakawa, T. Machida, T. Taniyama,
S .Ishida　and Y. Arakawa
Appl. Phys. Lett. 91. 232105-1-3 (2007)

13. “Electrical coherent control of nuclear spins in a breakdown regime of quantum Hall effect”
H. Takahashi, M. Kawamura, S. Masubuchi, K. Hamaya, T. Machida, Y. Hashimoto, S. Katsumoto
Appl. Phys. Lett. 91, 092120-1-3 (2007)

12. “Electric-field control of tunneling magnetoresistance effect in a Ni/InAs/Ni quantum-dot spin valve”
K. Hamaya, M. Kitabatake, K. Shibata, M. Jung, M. Kawamura, K. Hirakawa, T. Machida, T. Taniyama,
S. Ishida, and Y. Arakawa 　　
Appl. Phys. Lett. 91, 022107-1-3 (2007)

11. “Spin transport through a single self-assembled InAs quantunm dot with ferromagnetic leads”
K. Hamaya, S. Masubuchi, M. Kawamura, T. Machida, M. Jung, K. Shibata, K. Hirakawa, T. Taniyama,
S. Ishida, and Y.Arakawa
Appl. Phys. Lett. 90, 053108-1-3　(2007)

10. “Spin-dependent nonlocal resistance in Si/SiGe quantum Hall conductor”
K. Hamaya, K. Sugihara, H. Takahashi, S. Masubuchi, M. Kawamura,T. Machida, K. Sawano, and
Y. Shiraki
Phys. Rev. B 75, 033307-1-4　（2007）

9. “Electrical polarization of nuclear spins in a breakdown regime of quantum Hall effect”
M. Kawamura, H. Takahashi, K. Sugihara, S. Masubuchi, K. Hamaya, and T. Machida
Appl. Phys. Lett. 90, 022102-1-3 （2007）

8. “Electrical polarization of nuclear spins in a breakdown regime of quantum Hall effect”
M. Kawamura, H. Takahashi, K. Sugihara, S. Masubuchi, K. Hamaya, and T. Machida
Appl. Phys. Lett. 90, 022102-1-3　（2007）

7. “Local detection of Knight shift around quantum-Hall edge channels using resistively- detected NMR”
S. Masubuchi,　K. Hamaya, and T. Machida
Phy. Stat. Sol.（C）3, 4268-4271 （2006）

6. “Estimation of dynamic nuclear polarization in quantum-Hall devices using tilted magnetic fields”
S. Masubuchi, K. Hamaya, and T. Machida
Phy. Stat. Sol.（C）3, 4284-4287 （2006）

5. “Spin dependence of edge-channel transport in silicon-based quantum Hall system”
K. Hamaya, S. Masubuchi, K. Sawano, Y, Shiraki, and T. Machida
Phy. Stat. Sol.（C）3, 4251-4254 (2006)

4. “Gate-controlled nuclear magnetic resonance in an AlGaAs/GaAs quantum Hall device”
S. Masubuchi, K. Hamaya, and T. Machida
Appl. Phys Lett. 89, 202111　(2006)

3. “Knight shift detection using gate-induced decoupling oｆ the hyperfine interaction in quantum Hall edge channels”　
S. Masubuchi, K. Hamaya, and T. Machida
Appl. Phys Lett. 89, 062108-1-3　(2006)

2. “Estimation of electrically-pumped dynamic nuclear polarization in quantum Hall device using titled　magnetic fields “
S. Masubuchi, K. Hamaya, and T. Machida
Jpn. J. Appl. Phys. 45, L522-L524　(2006)

１．“Spin-dependent edge-channel transport in a Si/SiGe quantum Hall system”
K. Hamaya, S. Masubuchi, K. Hirakawa, S. Ishida, Y. Arakawa, K. Sawano, Y. Shiraki, and T. Machida
Phys. Rev. B 73, 121304R　(2006)