山田　浩之

　

略歴

1995年3月
東京大学理学部化学科　卒業
1997年3月
東京大学理学系研究科化学専攻　修士課程　終了
2000年3月
東京大学理学系研究科化学専攻　博士課程　終了
”バナジウムブロンズAxV2O5(x=Na,Ag,Li)の合成・単結晶育成・物性”
　　　　　　　　　　　　　　　　　　　　　　　　　　　　
2000年4月
オングストロームテクノロジ研究機構
JRCAT 十倉研究グループ研究員
2002年4月
産業技術総合研究所
強相関電子技術研究センター　ポスドク
2004年4月
JST-CREST
ナノテクデバイス領域赤穂プロジェクト研究員
　　　　　　　　　　　　　　　　　　　　　　　　　　　　
2005年1月
産業技術総合研究所
強相関電子技術研究センター 研究員
　　　　　　　　　　　　　　　　　　　　　　　　　　　　
2008年4月
産業技術総合研究所
エレクトロニクス研究部門　強相関界面機能グループ研究員
2011年4月
産業技術総合研究所
電子光技術研究部門　強相関エレクトロニクスグループ研究員
2011年10月
同　主任研究員
2011年5月
　　　　　　　　　　　　　　　　　　　　　　　　　　　　
～2012年5月
CNRS/Thales (France) 客員研究員
2013年10月
～2017年3月
JST さきがけ研究員　併任
2018年7月
～2019年6月
エレクトロニクス・製造領域　研究戦略部　研究企画室　企画主幹
2020年4月
電子光基礎技術研究部門　強相関エレクトロニクスグループ　研究グループ長
2025年4月
エレクトロニクス基盤技術研究部門　強相関デバイス技術研究グループ　研究グループ長

研究分野・専門

無機固体化学、酸化物エレクロニクス、薄膜、強誘電体、強相関電子系、酸化物半導体

学会活動・社会貢献

日本物理学会、応用物理学会

研究業績内容

PLD法（Pulsed laser deposition）、ALD法(Atomic Layer Deposition)による、遷移金属酸化物の単結晶/多結晶薄膜・ヘテロ接合を対象に研究を展開している。主な業績は、①「三色」超格子における巨大非線形磁気光学効果(MSHG)の発見と強相関界面磁性解明および磁気デバイスへの応用、強相関界面新電子相の開拓、②ペロブスカイト強誘電体・ハフニア系強誘電体を用いた抵抗変化型不揮発性メモリ・ニューロモルフィック素子（強誘電トンネル接合[Ferroelectric Tunnel Junctions; FTJ]）の開発、③準安定相（高圧相）物質の薄膜安定化による機能性材料の開拓、など。

発表論文 (H-index=33, Citation =4969 @2025.5)

    　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　
  1. "Roles of Non-switchable Domains and Internal Bias in Electrocaloric and Pyroelectric effects", J. Usami, Y. Okamoto, H. Inoue, T. Kobayashi, H. Yamada, Japanese Journal of Applied Physics, in press (2025)
  2. "Orthorhombic ITO epitaxially stabilized on a perovskite oxide substrate",H. Yamada, Y. Toyosaki, A. Sawa, Applied Physics Letters, 126, 142103 (2025), selected as Featured Article
  3. “Directional enhancement of pyroelectricity in Pb(Zr0.52Ti0.48)O3 films by DC poling”, J. Usami, Y. Okamoto, H. Inoue, N. Makimoto, T. Kobayashi, H. Yamada, Applied Physics Letters 126(9), 092902 (2025)
  4. "Electroresistance in all-oxide RuO2/Hf0.5Zr0.5O2/ITO ferroelectric tunnel junctions", H. Yamada, S. Dhongade, Y. Toyosaki, H. Matsuzaki, A. Sawa, ACS Appl. Electron. Mater.,5, 3395 (2024).
  5. "Optical Second harmonic generation on polarization-reversal for ferroelectric Hf0.5Zr0.5O2 capacitors", S. Dhongade, H. Yamada, A. Sawa, H. Matsuzaki, ACS Appl. Electron. Mater. 6, 1292-1298 (2023).
  6. “Ferroelectricity and pseudo-coherent growth in HfO2/SrHfO3 nanolaminates",H. Yamada, Y. Toyosaki, A. Sawa, J. Appl. Phys. 133, 095301 (2023).
  7. "Spike-shape dependence of the spike-timing dependent synaptic plasticity in ferroelectric-tunnel-junction synapses", P. Stoliar, H. Yamada, Y. Toyosaki, A. Sawa, Scientific Reports 9, 17740(2019).
  8. “Field-Modulation Imaging of Ferroelectric Domains in Molecular Single-Crystal Films”, Y. Uemura, S. Arai, J. Tsutsumi, S. Matsuoka, H. Yamada, R. Kumai, S. Horiuchi, A. Sawa, and T. Hasegawa, Physical Review Applied 11, 014046 (2019).
  9. “Charge disproportionation of Mn 3d and O 2p electronic states depending on strength of p-d hybridization in (LaMnO3)2(SrMnO3)2 superlattices”, H. Nakao, C. Tabata, Y. Murakami, Y. Yamasaki, H. Yamada, S. Ishihara, and M. Kawasaki, Physical Review B 98, 245146 (2018).
  10. “Growth and ferroelectric properties of yttrium-doped hafnium oxide/indium-tin oxide polycrystalline heterostructures with sharp and uniform interfaces”, H. Yamada, Y. Toyosaki, and A. Sawa, Journal of Applied Physics 124, 105305 (2018).
  11. “Time-Dependent Negative Capacitance Effects in Al2O3/BaTiO3 Bilayers”, Y. J. Kim, H. Yamada, T. Moon, Y. J. Kwon, C. H. An, H. J. Kim, K. D. Kim, Y. H. Lee, S. D. Hyun, M. H. Park, and C. S. Hwang, Nano Letters 16, 4375 (2016).
  12. “Coherent Epitaxy of a Ferroelectric Heterostructure on a Trilayered Buffer for Integration into Silicon”, H. Yamada, Y. Toyosaki, and A. Sawa, Advanced Electronic Materials 2, 201500334 (2016).
  13. “Magnetic and electronic states in (LaMnO3)2(SrMnO3)2 superlattice exhibiting a large negative magnetoresistance”, H. Nakao, T. Sudayama, M. Kubota, J. Okamoto, Y. Yamasaki, Y. Murakami, H. Yamada, A. Sawa, and K. Iwasa, Physical Review B 92, 245104 (2015).
  14. “Ca doping dependence of resistive switching characteristics in ferroelectric capacitors comprising Ca-doped BiFeO3”, L. Liu, A. Tsurumaki-Fukuchi, H. Yamada, and A. Sawa, Journal of Applied Physics 118, 204014 (2015).
  15. “Strong Surface-Termination Effect on Electroresistance in Ferroelectric Tunnel Junctions”, H. Yamada, A. Tsurumaki-Fukuchi, M. Kobayashi, T. Nagai, Y. Toyosaki, H. Kumigashira, and A. Sawa, Advanced Functional Materials 25, 2708 (2015).
  16. “Depth Profiling Charge Accumulation from a Ferroelectric into a Doped Mott Insulator”, M. Marinova, J. E. Rault, A. Gloter, S. Nemsak, G. K. Palsson, J.-P. Rueff, C. S. Fadley, C. Carretero, H. Yamada, K. March, V. Garcia, S. Fusil, A. Barthelemy, O. Stephan, C. Colliex, and M. Bibes, Nano Letters 15, 2533 (2015).
  17. “Modeling of hysteretic Schottky diode-like conduction in Pt/BiFeO3/SrRuO3 switches”, E. Miranda, D. Jimenez, A. Tsurumaki-Fukuchi, J. Blasco, H. Yamada, J. Sune, and A. Sawa, Applied Physics Letters, 105, 082904 (2014).
  18. “Resistive switching characteristics in dielectric/ferroelectric composite devices improved by post-thermal annealing at relatively low temperature”, A. Tsurumaki-Fukuchi, H. Yamada, and A. Sawa, Applied Physics Letters, 104, 092903 (2014).
  19. “Neutron magnetic scattering study in manganite thin film system”, H. Nakao, H. Yamada, A. Sawa, K. Iwasa, J. Okamoto, T. Sudayama, Y. Yamasaki, and Y. Murakami, Solid State Communications 185, 18-20 (2014).
  20. “High-performance ferroelectric memory based on fully patterned tunnel junctions”, S. Boyn, S. Girod, V. Garcia, S. Fusil, S. Xavier, C. Deranlot, H. Yamada, C. Carretero, E. Jacquet, M. Bibes, A. Barthelemy, and J. Grollier, Applied Physics Letters, 104, 052909 (2014).
  21. “Multilevel recording in Bi-deficient Pt/BFO/SRO heterostructures based on ferroelectric resistive switching targeting high-density information storage in nonvolatile memories”, D. Jimenez, E. Miranda, A. Tsurumaki-Fukuchi, H. Yamada, J. Sune, and A. Sawa, Applied Physics Letters 103, 263502 (2013).
  22. “Phase diagram of Ca1-xCexMnO3 thin films studied by x-ray magnetic circular dichroism”, 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,Solid State Communications 174, 30 (2013).
  23. “Resistive switching artificially induced in a dielectric/ferroelectric composite diode”, A. Tsurumaki-Fukuchi, H. Yamada, and A. Sawa, Applied Physics Letters, 103, 152903 (2013).
  24. “Ferroelectric control of a Mott insulator”, H. Yamada, M. Marinova, P. Altuntas, A. Crassous, L. Begon-Lours, S. Fusil, E. Jacquet, V. Garcia, K. Bouzehouane, A. Gloter, J. E. Villegas, A. Barthelemy, and Manuel Bibes, Scientific Reports 3, 2834 (2013).
  25. “Giant Electroresistance of Super-tetragonal BiFeO3-Based Ferroelectric Tunnel Junctions”, H. Yamada, V. Garcia, S. Fusil, S. Boyn, M. Marinova, A. Gloter, S. Xavier, J. Grollier, E. Jacquet, C. Carretero, C. Deranlot, M. Bibes, and A. Barthelemy, ACS Nano 7, 5385 (2013) [137 citations].
  26. “Role of doped Ru in coercivity-enhanced La0.6Sr0.4MnO3 thin film studied by x-ray magnetic circular dichroism”, T. Harano, G. Shibata, K. Ishigami, Y. Takashashi, V. K. Verma, V. R. Singh, T. Kadono, A. Fujimori1, Y. Takeda, T. Okane, Y. Saitoh, H. Yamagami, T. Koide, H. Yamada, A. Sawa, M. Kawasaki, Y. Tokura, and A. Tanaka, Applied Physics Letters 102, 222404 (2013).
  27. “Electrolyte-Gated SmCoO3 Thin-Film Transistors Exhibiting Thickness-Dependent Large Switching Ratio at Room Temperature”, P.-H. Xiang, S. Asanuma, H. Yamada, H. Sato, I. H. Inoue, H. Akoh, A. Sawa, M. Kawasaki, and Y. Iwasa, Advanced Materials 25, 2158 (2013).
  28. “Phase diagrams of strained Ca1-xCexMnO3 films”, P.-H. Xiang, H. Yamada, H. Akoh, and A. Sawa, Journal of Applied Physics 112, 113703 (2012).
  29. “A ferroelectric memristor”, A. Chanthbouala, V. Garcia, R. O. Cherifi, K. Bouzehouane, S. Fusil, X. Moya, S. Xavier, H. Yamada, C. Deranlot, N. D. Mathur, M. Bibes, A. Barthelemy and J. Grollier, Nature Materials 11, 860 (2012).
  30. “Disorder Promotes Ferromagnetism: Rounding of the Quantum Phase Transition in Sr1-xCaxRuO3”, L. Demko , S. Bordacs, T. Vojta, D. Nozadze, F. Hrahsheh, C. Svoboda, B. Dora, H. Yamada, M. Kawasaki, Y. Tokura, and I. Kezsmarki, Physical Review Letters 108, 185701 (2012).
  31. “Impact of Bi Deficiencies on Ferroelectric Resistive Switching Characteristics Observed at p-Type Schottky-Like Pt/Bi1-δFeO3 Interfaces”, A. Tsurumaki, H. Yamada, and A. Sawa, Advanced Functional Materials 22, 1040 (2012).
  32. “Strain-Mediated Phase Control and Electrolyte-Gating of Electron-Doped Manganites”, P.-H. Xiang, S. Asanuma, H. Yamada, I. H. Inoue, H. Sato, H. Akoh, A. Sawa, K. Ueno, H. Yuan, H. Shimotani, M. Kawasaki, and Y. Iwasa, Advanced Materials 23, 5822 (2011).
  33. “Discrimination between photodoping- and heat-induced magnetization changes in Nd0.52Sr0.48MnO3 using a heterostructure with SrTiO3”, H. Yada, M. Matsubara, H. Matsuzaki, H. Yamada, A. Sawa, and H. Okamoto, Physical Review B 84, 045114 (2011).
  34. “Ultrafast control of magnetization by photocarrier injection in La0.9Sr0.1MnO3/SrTiO3 heterostructures”, H. Yada, M. Matsubara, H. Yamada, A. Sawa, H. Matsuzaki, and H. Okamoto, Physical Review B 83, 165408 (2011).
  35. “Tuning of the metal-insulator transition in electrolyte-gated NdNiO3 thin films”, S. Asanuma, P.-H. Xiang, H. Yamada, H. Sato, I. H. Inoue, H. Akoh, A. Sawa, K. Ueno, H. Shimotani, H. Yuan, M. Kawasaki, and Y. Iwasa, Applied Physics Letters 97, 142110 (2010).
  36. “Room temperature Mott metal-insulator transition and its systematic control in Sm1-xCaxNiO3 thin film”, P.-H. Xiang, S. Asanuma, H. Yamada, I. H. Inoue, H. Akoh and A. Sawa, Applied Physics Letters 97, 032114 (2010).
  37. “Colossal magnetoresistance accompanied with magnetorelaxor behavior in phase-separated Ca1-xCexMnO3 thin films and CaMnO3/Ca0.92Ce0.08MnO3 superlattices”, P.-H. Xiang, H. Yamada, A. Sawa, and H. Akoh, Journal of Applied Physics, 107, 063717 (2010).
  38. “Phase evolution and critical behavior in strain-tuned LaMnO3-SrMnO3 superlattices”, H. Yamada, P.-H. Xiang, and A. Sawa, Physical Review B 81, 014410 (2010).
  39. “Relationship between resistive switching characteristics and band diagrams of Ti/Pr1-xCaxMnO3 junctions”, S. Asanuma, H. Akoh, H. Yamada, and A. Sawa, Physical Review B 80, 235113 (2009).
  40. “Epitaxial-strain effect on charge/orbital order in Pr0.5Ca0.5MnO3 films”, D. Okuyama, M. Nakamura, Y. Wakabayashi, H. Itoh, R. Kumai, H. Yamada, Y. Taguchi, T. Arima, M. Kawasaki, and Y. Tokura, Applied Physics Letters 95, 152502 (2009).
  41. “Strain-controlled electronic properties and magnetorelaxor behaviors in electron-doped CaMnO3 thin films”, P. -H. Xiang, H. Yamada, A. Sawa, and H. Akoh, Applied Physics Letters, 94, 062109 (2009).
  42. “Magnetic quasidomain structures in Ru-doped La0.6Sr0.4MnO3 thin films”, M. Konoto, H. Yamada, K. Koike, H. Akoh, M. Kawasaki, and Y. Tokura, Applied Physics Letters, 93, 252503 (2008).
  43. “Magneto-optical characterization on the ferromagnetic-paramagnetic transitions in the composition-spread epitaxial film of Sr1-xCaxRuO3”, N. Hosaka, H. Yamada, Y. Shimada, J. Fujioka, S. Bordacs, I. Kezsmarki, M. Kawasaki, and Y. Tokura, Applied Physics Express, 1, 113001 (2008).
  44. “Direct observation of the spin structures of vortex domain walls in ferromagnetic nanowires”, T. Nagai, H. Yamada, M. Konoto, T. Arima, M. Kawasaki, K. Kimoto, Y. Matsui, and Y. Tokura, Physical Review B, 78, 180414 (2008).
  45. “Optical magnetoelectric effect at CaRuO3-CaMnO3 interfaces as a polar ferromagnet”, H. Yamada, N. Kida, H. Sato, H. Akoh, T. Arima, M. Kawasaki, and Y. Tokura, Appl. Phys. Lett. 92, 062508 (2008).
  46. “Negative spin polarization in (La,Sr)CoO3 probed by a magnetic tunnel junction with (La,Sr)MnO3”,Y. Ishii, H. Yamada, H. Sato, H. Akoh, M. Kawasaki, and Y. Tokura,Appl. Phys. Lett. 91, 192504 (2007).
  47. “Optical magnetoelectric effect of patterned oxide-superlattices with ferromagnetic interfaces”,N. Kida, H. Yamada, H. Sato, T. Arima, M. Kawasaki, H. Akoh, and Y. Tokura,Phys. Rev. Lett. 99, 197404　(2007).
  48. “Fermi level shift in La1-xSrxMO3 (M = Mn, Fe, Co, and Ni) probed by Schottky-like heteroepitaxial junctions with SrTi0.99Nb0.01O3”, A. Sawa, A. Yamamoto, H. Yamada, T. Fujii, M. Kawasaki, J. Matsuno, Y. Tokura, Appl. Phys. Lett. 90, 252102 (2007).
    49. 　
  49. “LaMnO3/SrMnO3 interfaces with coupled charge-spin-orbital modulation", H. Yamada, M. Kawasaki, T. Lottermoser , T. Arima, and Y. Tokura, Appl. Phys. Lett.89, 052506 (2006).
    50. 　
  50. “Improved tunneling magnetoresistance in interface engineered (La,Sr)MnO3 junctions”, Y. Ishii, H. Yamada, H. Sato, H. Akoh, Y. Ogawa, M. Kawasaki, and Y. Tokura, Appl. Phys. Lett. 89, 042509 (2006).
  51. “Ru-doped La0.6Sr0.4MnO3 thin films as a coercivity tunable electrode for magnetic tunnel junctions”,H. Yamada, M. Kawasaki, Y. Tokura, Appl. Phys. Lett. 86 : 192505 (2005).
  52. “Determination of the intrinsic anomalous Hall effect of SrRuO3”, R. Mathieu, C. U. Jung, H. Yamada, A. Asamitsu, M. Kawasaki, and Y. Tokura,Phys. Rev. B 72, 064436 (2005).
  53. “Perovskite manganite magnetic tunnel junctions with enhanced coercivity contrast”, Y. Ishii, H. Yamada, H. Sato, H. Akoh, M. Kawasaki, Y. Tokura, Appl. Phys. Lett. 87, 022509 (2005).
  54. “Observation of structural change with possible charge disproportionation in copper vanadium oxide bronze β'-Cu0.65V2O5”, JI. Yamaura, T. Yamauchi, M. Isobe, H. Yamada, Y. Ueda, J. Phys. Soc. Jpn. 73: 914-920 (2004).
    55. 　　　　　　　　　　　　　　　　　　　　　　　　　　　　
  55. “Engineered interface of magnetic oxides”, H. Yamada, Y. Ogawa, Y. Ishii, H. Sato, M. Kawasaki, H. Akoh, Y. Tokura, , Science 305: 646-648 (2004) [314 citations].
    56. 　　　　　　　　　　　　　　　　　　　　　　　　　　　　　
  56. “Magnetic anisotropy control of SrRuO3 films by tunable epitaxial strain” , C. U. Jung, H. Yamada, M. Kawasaki, Y. Tokura, Appl. Phys. Lett. 84 : 2590-2592 (2004)
    57. 　　　　　　　　　　　　　　　　　　　　　　　　　　　　　
  57. “The anomalous Hall effect and magnetic monopoles in momentum space”, Z. Fang, N. Nagaosa, K.S. Takahashi, A. Asamitsu, R. Mathieu, T. Ogasawara, H. Yamada, M. Kawasaki, Y. Tokura, K. Terakura, Science 302 : 92-95 (2003)
    58. 　　　　　　　　　　　　　　　　　　　　　　　　　　　　
  58. “Non-linear magneto-optical Kerr rotation of an oxide superlattice with artificial broken symmetry”,Y. Ogawa, H. Yamada, T. Ogasawara, T. Arima, H. Okamoto, M. Kawasaki, Y. Tokura,Phys. Rev. Lett. 90: 217403 (2003).
  59. “Perovskite oxide tricolor superlattices with artificially broken inversion symmetry by interface　effects”, H. Yamada, M. Kawasaki, Y. Ogawa, Y. Tokura ,Appl. Phys. Lett. 81 : 4793-4795 (2002).
  60. “Epitaxial growth and valence control of strained perovskite SrFeO3 films”, H. Yamada, M. Kawasaki, Y. Tokura, Appl. Phys. Lett. 80: 622-624 (2002).
  61. “Charge and sodium ordering in β-Na0.33V2O5”, P. H. M. van Loosdrecht, C. N. Presura, M. Popinciuc, D. van der Marel, G. Maris, T. T. M. Palstra, P. J. M. van Bentum, H. Yamada, T. Yamauchi, Y. Ueda, J. Superconductivity 15: 587-590 (2002).
  62. “Magnetic ordering in the mixed-valence compound β-Na0.33V2O5”, A. N. Vasil'ev, V. I. Marchenko, A. I. Smirnov, S. S. Sosin, H. Yamada, Y. Ueda, Physical Review B 64 : 174403 (2001).
  63. “Structural and electric properties of β'-CuxV2O5”,H. Yamada, Y. Ueda, J. Phys. Soc. Jpn. 69: 1437-1442 (2000).
  64. “Magnetic, electric and structural properties of β-AxV2O5(A = Na, Ag) ”, H. Yamada, Y. Ueda, J . Phys. Soc. Jpn. 68: 2735-2740 (1999) [106 citations].