Yoshimatsu Laboratory
Publications (2013~2018年)
東京工業大学 助教時代
2018年
53. K. Yoshimatsu, H. Kurokawa, K. Horiba, H. Kumigashira, and A. Ohtomo, "Large anisotropy in conductivity of Ti2O3 films" APL Mater. 6, 101101 (2018).
DOI: 10.1063/1.5050823
52. T. Soma, K. Yoshimatsu, K. Horiba, H. Kumigashira, and A. Ohtomo, "Electronic properties across metal-insulator transition in β-pyrochlore CsW2O6 epitaxial films" Phys. Rev. Mater. 2, 115003 (2018).
DOI: 10.1103/PhysRevMaterials.2.115003
51. G. Shibata, K. Yoshimatsu, K. Ishigami, T. Harano, Y. Takahashi, S. Sakamoto, Y. Nonaka, T. Kadono, M. Furuse, S. Fuchino, M. Okano, J. Fujihira, A. Uchida, K. Watanabe, H. Fujihira, S. Fujihira, A. Tanaka, H. Kumigashira, T. Koide, and A. Fujimori, "Anisotropic charge distribution induced by spin polarization in La0.6Sr0.4MnO3 thin films by x-ray magnetic linear dichroism" J. Phys. Soc. Jpn. 87, 114713 (2018).
DOI: 10.7566/JPSJ.87.114713
50. R. Wakabayashi, M. Hattori, K. Yoshimatsu, K. Horiba, H. Kumigashira, and A. Ohtomo, “Band alignment at β-(AlxGa1-x)2O3/β-Ga2O3 (100) interface fabricated by pulsed-laser deposition” Appl. Phys. Lett. 112, 232103 (2018).
DOI: 10.1063/1.5027005
49. G. Shibata, M. Kitamura, M. Minohara, K. Yoshimatsu, T. Kadono, K. Ishigami, T. Harano, Y. Takahashi, S. Nakamoto, Y. Nonaka, K. Ikeda, Z. Chi, M. Furus, S. Luchino, M. Okano, J. Fujihira, A. Uchida, K. Watanabe, H. Fujihira, S. Fujihira, A. Tanaka, H. Kumigashira, T. Koide, and A. Fujimori, "Anisotropic spin-density distribution and magnetic anisotropy of strained La1-xSrxMnO3 thin films: Angle-dependent x-ray magnetic circular dichroism" npj Quantum Materials 3, 3 (2018).
DOI: 10.1038/s41535-018-0077-4
2017年
48. K. Yoshimatsu, O. Sakata, and A. Ohtomo, "Superconductivity in Ti4O7 and γ-Ti3O5 films" Sci. Rep. 7, 12544 (2017).
DOI: 10.1038/s41598-017-12815-4
47. K. Yoshimatsu, H. Mashiko, N. Umezawa, K. Horiba, H. Kumigashira, and A. Ohtomo “Electronic Structures and Photoanodic Properties of Ilmenite-type MTiO3 Epitaxial Films (M = Mn, Fe, Co, Ni)” J. Phys. Chem. C 121, 18717 (2017).
DOI: acs.jpcc.7b06076
46. N. Nishiyama, H. Mashiko, K. Yoshimatsu, K. Horiba, H. Kumigashira, and A. Ohtomo, "Highly oriented epitaxial CaFe2O4 thin films on TiO2 substrates grown by pulsed-laser deposition" Thin Solid Films 638, 406 (2017).
DOI: 10.1016/j.tsf.2017.08.003
45. H. Kurokawa, K. Yoshimatsu, O. Sakata, and A. Ohtomo, "Effects of phase fraction on superconductivity of low-valence eutectic titanate films" J. Appl. Phys. 122, 055302 (2017). DOI: 10.1063/1.4997443
44. R. Wakabayashi, K. Yoshimatsu, M. Hattori, and A. Ohtomo, "Epitaxial structure and electronic properties of β-Ga2O3 films grown on MgO (100) substrates by pulsed-laser deposition" Appl. Phys. Lett. 111, 162101 (2017).
DOI: 10.1063/1.4990779
43. M. Kobayashi, K. Yoshimatsu, T. Mitsuhashi, M. Kitamura, E. Sakai, R. Yukawa, M. Minohara, A. Fujimori, Koji Horiba, and Hiroshi Kumigashira, "Emergence of Quantum Critical Behavior in Metallic Quantum-Well States of Strongly Correlated Oxides" Sci. Rep. 7, 16621 (2017). DOI: 10.1038/s41598-017-16666-x
42. M. M. Maitani, T. Yamada, H. Mashiko, K. Yoshimatsu, T. Oshima, A. Ohtomo, and Y. Wada, “Microwave effects on Co-Pi co-catalysis deposited on α-Fe2O3 for application to photocatalytic oxygen evolution” ACS Appl. Mater. Interf. 9, 10349 (2017).
DOI: 10.1021/acsami.6b16319
2016年
41. K. Yoshimatsu, H. Okabe, T. Oshima, S. Ueda, and A. Ohtomo, “Strain-induced metal-insulator transition in t2g1 electron system of Sm0.5Ca0.5TiO3 thin films” Phys. Rev. B 93, 195159 (2016). DOI: 10.1103/PhysRevB.93.195159
40. K. Yoshimatsu, T. Soma, and A. Ohtomo, “Insulator to metal transition of WO3 epitaxial films induced by electrochemical Li-ion intercalation” Appl. Phys. Express 9, 075802 (2016). DOI: 10.7567/APEX.9.075802
39. T. Oshima, R. Wakabayashi, M. Hattori, A. Hashiguchi, N. Kawano, K. Sasaki, T. Masui, A. Kuramata, S. Yamakoshi, K. Yoshimatsu, A. Ohtomo, T. Oishi, and M. Kasu, “Formation of indium tin oxide (ITO) ohmic contacts for β-Ga2O3” Jpn. J. Appl. Phys. 55, 1202B7 (2016). DOI: 10.7567/JJAP.55.1202B7
38. K. Watarai, K. Yoshimatsu, K. Horiba, H. Kumigashira, O. Sakata, and A. Ohtomo, “Epitaxial synthesis and physical properties of double-perovskite oxide Sr2CoRuO6 thin films” J. Phys. Condens. Matter 28, 436005 (2016).
DOI: 10.1088/0953-8984/28/43/436005
37. M. Hattori, T. Oshima, R. Wakabayashi, K. Yoshimatsu, K. Sasaki, T. Masui, A. Kuramata, S. Yamakoshi, K. Horiba, H. Kumigashira, and A. Ohtomo, "Epitaxial growth and electric properties of γ-Al2O3 (110) films on β-Ga2O3 (010) substrates" Jpn. J. Appl. Phys. 55, 1202B6 (2016).
DOI: 10.7567/JJAP.55.1202B6
36. T. Soma, K. Yoshimatsu, and A. Ohtomo, “Epitaxial growth of hexagonal tungsten bronze CsxWO3 films in superconducting phase region exceeding bulk limit” Appl. Phys. Express 9, 075801 (2016).
DOI: 10.7567/APEX.9.075801
35. K. Nakamura, H. Mashiko, K. Yoshimatsu, and A. Ohtomo, "Impact of built-in potential across LaFeO3/SrTiO3 heterojunctions on photocatalytic activity"Appl. Phys. Lett. 108, 211605 (2016).
DOI: 10.1063/1.4952736
34. K. Horiba, M. Kitamura, K. Yoshimatsu, M. Minohara, E. Sakai, M. Kobayashi, A. Fujimori, and H. Kumigashira, “Isotropic Kink and Quasiparticle Excitations in the Three-Dimensional Perovskite Manganite La0.6Sr0.4MnO3” Phys. Rev. Lett. 116, 076401 (2016).
DOI: 10.1103/PhysRevLett.116.076401
33. H. Mashiko, K. Yoshimatsu, T. Oshima, and A. Ohtomo, “Fabrication and Characterization of Semiconductor Photoelectrodes with Orientation-Controlled α-Fe2O3 Thin Films” J. Phys. Chem. C 120, 2747 (2016).
DOI: 10.1021/acs.jpcc.5b10838
32. T. Yoshida, M. Kobayashi, K. Yoshimatsu, H. Kumigashira, and A. Fujimori, “Correlated electronic states of SrVO3 revealed by angle-resolved photoemission spectroscopy” J. Electron Spectrosc. Relat. Phenom. 208, 11 (2016).
DOI: 10.1016/j.elspec.2015.11.012
31. R. Yukawa, K. Ozawa, S. Yamamoto, H. Iwasawa, K. Shimada, E. F. Schwier, K. Yoshimatsu, H. Kumigashira, H. Namatame, M.
Taniguchi, and I. Matsuda, “Photon-dressed two-dimensional carriers on the ZnO surface” Phys. Rev. B 94, 165313 (2016).
DOI: 10.1103/PhysRevB.94.165313
2015年
30. K. Yoshimatsu, M. Niwa, H. Mashiko, T. Oshima, and A. Ohtomo, “Reversible superconductor-insulator transition in LiTi2O4 induced by Li-ion electrochemical reaction” Scientific Reports 5, 16325 (2015).
DOI: 10.1038/srep16325
29. K. Yoshimatsu, K. Nogami, K. Watarai, K. Horiba, H. Kumigashira, O. Sakata, T. Oshima, and A. Ohtomo, “Synthesis and magnetic properties of double-perovskite oxides La2MnFeO6 thin films” Phys. Rev. B 91, 054421 (2015).
DOI: 10.1103/PhysRevB.91.054421
28. K. Yoshimatsu, T. Suzuki, N. Tsuchimine, K. Horiba, H. Kumigashira, T. Oshima, and A. Ohtomo, “Direct Growth of Metallic TiH2 Thin Films by Pulsed-Laser Deposition” Appl. Phys. Express 8, 035801 (2015).
DOI: 10.7567/APEX.8.035801
27. M. Kobayashi, K. Yoshimatsu, E. Sakai, M. Kitamura, K. Horiba, A. Fujimori, and H. Kumigashira, “Origin of the Anomalous Mass Renormalization in Metallic Quantum Well States of Strongly Correlated Oxide SrVO3” Phys. Rev. Lett. 115, 076801 (2015).
DOI: 10.1103/PhysRevLett.115.076801
26. K. Ishigami, K. Yoshimatsu, D. Toyota, M. Takizawa, T. Yoshida, G. Shibata, T. Harano, Y. Takahashi, T. Kadono, V. K. Verma, V. R. Singh, Y. Takeda, T. Okane, Y. Saitoh, H. Yamagami, T. Koide, M. Oshima, H. Kumigashira, and A. Fujimori “Thickness-dependent magnetic transition and strain-induced orbital magnetic moment in SrRuO3 thin film studied by X-ray magnetic circular dichroism” Phys. Rev. B 92, 064402 (2015).
DOI: 10.1103/PhysRevB.92.064402
25. H. Suzuki, K. Zhao, G. Shibata, Y. Takahashi, S. Sakamoto, K. Yoshimatsu, B. J. Chen, H. Kumigashira, F. -H. Chang, H. -J. Lin, D. J. Huang, C. T. Chen, B. Gu, S. Maekawa, Y. J. Uemura, C. Q. Jin and A. Fujimori, “Photoemission and X-ray Absorption Studies of the Diluted Magnetic Semiconductor Ba1-yKy(Zn1-xMnx)2As2 isostructural to Fe-based superconductors” Phys. Rev. B 91, 140401(R) (2015).
DOI: 10.1103/PhysRevB.91.140401
24. T. Oshima, K. Matsuyama, K. Yoshimatsu, and A. Ohtomo, “Conducting Si-doped g-Ga2O3 epitaxial films grown by pulsed-laser deposition” J. Cryst. Growth 421, 23 (2015).
DOI: 10.1016/j.jcrysgro.2015.04.011
23. R. Wakabayashi T. Oshima, M. Hattori, K. Sasaki, T. Masui, A. Kuramata, S. Yamakoshi, K. Yoshimatsu, and A. Ohtomo “Oxygen-radical-assistedpulsed-laserdepositionof β-Ga2O3 and β-(AlxGa1-x)2O3 films” J. Crst. Growth 424, 77 (2015).
DOI: 10.1016/j.jcrysgro.2015.05.005
2014年 (1st: 0, Corresponding: 0, Total: 4)
22. E. Sakai, K. Yoshimatsu, M. Tamamitsu, K. Horiba, A. Fujimori, M. Oshima, and H. Kumigashira, “Bandwidth-controlled metal-insulator transition in epitaxial PrNiO3 ultrathin films induced by dimensional crossover” Appl. Phys. Lett. 104, 171609 (2014).
DOI: 10.1063/1.4874980
21. G. Shibata, K. Yoshimatsu, E. Sakai, V. R. Singh, V. K. Verma, K. Ishigami, T. Harano, T. Kadono, Y. Takeda, T. Okane, Y. Saitoh, H. Yamagami, A. Sawa, H. Kumigashira, M. Oshima, T. Koide, and A. Fujimori “Thickness-dependent ferromagnetic metal-to-paramagnetic insulator transition in La0.6Sr0.4MnO3 thin films studied by x-ray magnetic circular dichroism” Phys. Rev. B 89, 235123 (2014).
DOI: 10.1103/PhysRevB.89.235123
20. H. Wadati, J. Mravlje, K. Yoshimatsu, H. Kumigashira, M. Oshima, T. Sugiyama, E. Ikenaga, A. Fujimori, A. Georges, A. Radetinac, K. S. Takahashi, M. Kawasaki, and Y. Tokura ”Photoemission and DMFT study of electronic correlations in SrMoO3: Effects of Hund’s rule coupling and possible plasmonic sideband” Phys. Rev. B 90, 205131 (2014).
DOI: 10.1103/PhysRevB.90.205131
19. Y. Takahashi, V. K. Verma, G. Shibata, T. Harano, K. Ishigami, K. Yoshimatsu, T. Kadono, A. Fujimori, A. Tanaka, F. -H. Chang, H. -J. Lin, D. J. Huang, C. T. Chen, B. Pal, and D. D. Sarma, “Observation of magnetically hard grain boundaries in double-perovskite Sr2FeMoO6” Europhys. Lett. 108, 27003 (2014).
DOI: 10.1209/0295-5075/108/27003
2013年
18. K. Yoshimatsu, H. Wadati, E. Sakai, T. Harada, Y. Takahashi, T. Harano, G. Shibata, K. Ishigami, T. Kadono, T. Koide, T. Sugiyama, E. Ikenaga, H. Kumigashira, M. Lippmaa, M. Oshima, and A. Fujimori, “Spectroscopic studies on the electronic and magnetic states of Co-doped perovskite manganite Pr0.8Ca0.2Mn1-yCoyO3 thin films” Phys. Rev. B 88, 174423 (2013).
DOI: doi.org/10.1103/PhysRevB.88.174423
17. K. Yoshimatsu, E. Sakai, M. Kobayashi, K. Horiba, T. Yoshida, A. Fujimori, M. Oshima, and H. Kumigashira, “Determination of the surface and interface phase shifts in metallic quantum well structures of perovskite oxides” Phys. Rev. B 88, 115308 (2013).
DOI: 10.1103/PhysRevB.88.115308
16. K. Nogami, K. Yoshimatsu, H. Mashiko, E. Sakai, H. Kumigashira, O. Sakata, T. Oshima, and A. Ohtomo, “Epitaxial synthesis and electronic properties of double-perovskite Sr2TiRuO6 films” Appl. Phys. Express 6, 105502 (2013).
DOI: 10.7567/APEX.6.105502
15. E. Sakai, M. Tamamitsu, K. Yoshimatsu, S. Okamoto, K. Horiba, M. Oshima, and H. Kumigashira, “Gradual localization of Ni 3d states in LaNiO3 ultrathin films induced by dimensional crossover.” Phys. Rev. B 87, 075132 (2013).
DOI: 10.1103/PhysRevB.87.075132
14. J. Fujihira, A. Uchida, S. Fujihira, M. Furuse, M. Okano, S. Fuchino, T. Kadono, K. Yoshimatsu, A. Fujimori, H. Kumigashira and T. Koide, “Development of Cryocooled YBCO Vector Magnet System with Three-axial Super-high Vacuum Bores” J. Cryo. Super. Soc. Jpn. 48, 233 (2013). DOI: 10.2221/jcsj.48.233
13. T. Harano, G. Shibata, K. Yoshimatsu, K. Ishigami, V. K. Verma, Y. Takahashi, T. Kadono, T. Yoshida, A. Fujimori, T. Koide, F. –H. Chang, H. –J. Lin, D. –J. Huang, C. –T. Chen, P. –H. Xiang, H. Yamada, and A. Sawa, “Phase diagram of Ca1-xCexMnO3 thin films studied by X-ray magnetic circular dichroism” Sol. Sta. Commun. 174, 30 (2013).
DOI: 10.1016/j.ssc.2013.09.005