Anomalous quantization behavior of strongly correlated electrons in oxide quantum-well structures
Project/Area Number |
25287095
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Research Category |
Grant-in-Aid for Scientific Research (B)
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Allocation Type | Partial Multi-year Fund |
Section | 一般 |
Research Field |
Condensed matter physics II
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Research Institution | High Energy Accelerator Research Organization |
Principal Investigator |
KUMIGASHIRA Hiroshi 大学共同利用機関法人高エネルギー加速器研究機構, 物質構造科学研究所, 教授 (00345092)
|
Project Period (FY) |
2013-04-01 – 2017-03-31
|
Project Status |
Completed (Fiscal Year 2016)
|
Budget Amount *help |
¥19,240,000 (Direct Cost: ¥14,800,000、Indirect Cost: ¥4,440,000)
Fiscal Year 2015: ¥3,640,000 (Direct Cost: ¥2,800,000、Indirect Cost: ¥840,000)
Fiscal Year 2014: ¥3,640,000 (Direct Cost: ¥2,800,000、Indirect Cost: ¥840,000)
Fiscal Year 2013: ¥11,960,000 (Direct Cost: ¥9,200,000、Indirect Cost: ¥2,760,000)
|
Keywords | 量子井戸構造 / 強相関エレクトロニクス / 角度分解光電子分光 / 強相関電子系 / 機能性酸化物 / フェルミオロジー / バンド構造 / 酸化物エレクトロニクス / 酸化物 / 超構造 / 量子化 |
Outline of Final Research Achievements |
Quantum confinement of strongly correlated electrons in oxide artificial structures has attracted considerable interest for its potential application in future oxide electronics, and also for providing the opportunity to better understand the fundamental low-dimensional physics of strongly correlated electron systems. In this study, in order to clarify the anomalous behavior of the strongly correlated electrons confined in SrVO3 quantum well (QW) structures, we have investigated their quantized states in terms of in-situ angle resolved photoelectron spectroscopy (ARPES). The detailed analysis of ARPES data has revealed the close relationship between the orbirtal-selective quantization characteristic of the oxide QW and the anomalous quantum phenomena such as subband-dependent mass enhancements. The present study demonstrates that the QW structure of strongly correlated oxide will provide a platform for manipulating novel quantum phenomena in reduced dimensions.
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Report
(5 results)
Research Products
(99 results)
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[Journal Article] Ce 4f electronic states of CeO1-xFxBiS2 studied by soft X-ray photoemission spectroscopy2017
Author(s)
T. Wakita, K. Terashima, T. Hamada, H. Fujiwara, M. Minohara, M. Kobayashi, K. Horiba, H. Kumigashira, G. Kutluk, M. Nagao, S. Watauchi, I. Tanaka, S. Demura, H. Okazaki, Y. Takano, Y. Mizuguchi, O. Miura, K. Okada, Y. Muraoka, T. Yokoya
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Journal Title
Phys. Rev. B
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[Journal Article] Dirac Fermions in Borophene2017
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Baojie Feng, Osamu Sugino, Ro-Ya Liu, Jin Zhang, Ryu Yukawa, Mitsuaki Kawamura, Takushi Iimori, Howon Kim, Yukio Hasegawa, Hui Li, Lan Chen, Kehui Wu, Hiroshi Kumigashira, Fumio Komori, Tai-Chang Chiang, Sheng Meng, Iwao Matsuda
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Journal Title
Physical Review Letters
Volume: 118
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[Journal Article] Interlayer states arising from anionic electrons in the honeycomb-lattice-based compounds AeAlSi (Ae = Ca, Sr, Ba)2017
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Yangfan Lu, Tomofumi Tada, Yoshitake Toda, Shigenori Ueda, Jiazhen Wu, Jiang Li, Koji Horiba, Hiroshi Kumigashira, Yaoqing Zhang, and Hideo Hosono
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Physical Review B
Volume: 95
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[Journal Article] Resonant photoemission and X-ray absorption spectroscopies of lithiated magnetite thin film2017
Author(s)
T. Tsuchiya, K. Kawamura, W. Namiki, S. Furuichi, M. Takayanagi, M. Minohara, M. Kobayashi, K. Horiba, H. Kumigashira, K. Terabe and T. Higuchi
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Journal Title
Japanese Journal of Applied Physics
Volume: 56
Issue: 4S
Pages: 04CK01-04CK01
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NAID
ISSN
0021-4922, 1347-4065
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[Journal Article] Phonon-dressed two-dimensional carriers on the ZnO surface2016
Author(s)
R. Yukawa, K. Ozawa, S. Yamamoto, H. Iwasawa, K. Shimada, E. F. Schwier, K. Yoshimatsu, H. Kumigashira, H. Namatame, M. Taniguchi, and I. Matsuda
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[Journal Article] Hubbard band versus oxygen vacancy states in the correlated electron metal SrVO32016
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S. Backes, T. C. Rodel, F. Fortuna, E. Frantzeskakis, P. Le Fevre, F. Bertran, M. Kobayashi, R. Yukawa, T. Mitsuhashi, M. Kitamura, K. Horiba, H. Kumigashira, R. Saint-Martin, A. Fouchet, B. Berini, Y. Dumont, A. J. Kim, F. Lechermann, H. O. Jeschke, M. J. Rozenberg, R. Valenti, and A. F. Santander-Syro
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Journal Title
Physical Review B
Volume: 94
Pages: 241110-241110
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[Journal Article] Electron–Ion Mixed Conduction of BaCe0.90Y0.10O3−δ Thin Film Generated by Ru Substitution2016
Author(s)
Masanori Ochi, Takashi Tsuchiya, Shohei Yamaguchi, Takaaki Suetsugu, Naoya Suzuki, Masaki Kobayashi, Makoto Minohara, Koji Horiba, Hiroshi Kumigashira, Tohru Higuchi
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Journal Title
J. Phys. Soc. Jpn.
Volume: 85
Issue: 3
Pages: 034705-034705
DOI
ISSN
0031-9015, 1347-4073
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[Journal Article] Electrical and structural properties of BaCe0.85Ru0.05Y0.10O3−δthin film prepared by RF magnetron sputtering2016
Author(s)
Masanori Ochi, Takashi Tsuchiya, Shohei Yamaguchi, Takaaki Suetsugu, Naoya Suzuki, Masaki Kobayashi, Makoto Minohara, Koji Horiba, Hiroshi Kumigashira, Tohru Higuchi
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Journal Title
Japanese Journal of Applied Physics
Volume: 55
Issue: 6S1
Pages: 06GJ02-06GJ02
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ISSN
0021-4922, 1347-4065
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[Journal Article] Electronic structure of c-axis controlled α-Fe2O3 thin film probed by soft-X-ray spectroscopy2016
Author(s)
Kinya Kawamura, Naoya Suzuki, Takashi Tsuchiya, Shohei Yamaguchi, Masanori Ochi, Takaaki Suetsugu, Makoto Minohara, Masaki Kobayashi, Koji Horiba, Hiroshi Kumigashira and Tohru Higuchi
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Journal Title
Japanese Journal of Applied Physics
Volume: 55
Issue: 6S1
Pages: 06GJ04-06GJ04
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NAID
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0021-4922, 1347-4065
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[Journal Article] Ce Core-Level Spectroscopy, and Magnetic and Electrical Transport Properties of Lightly Ce-Doped YCoO32016
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Yoshihiko Kobayashi, Tsuyoshi Koike, Mario Okawa, Ryohei Takayanagi, Shohei Takei, Makoto Minohara, Masaki Kobayashi, Koji Horiba, Hiroshi Kumigashira, Akira Yasui, Eiji Ikenaga, Tomohiko Saitoh, and Kichizo Asai
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J. Phys. Soc. Jpn.
Volume: 85
Issue: 11
Pages: 114704-114704
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NAID
ISSN
0031-9015, 1347-4073
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[Journal Article] Epitaxial growth and electric properties of γ-Al2O3(110) films on β-Ga2O3(010) substrates2016
Author(s)
M. Hattori, T. Oshima, R. Wakabayashi, K. Yoshimatsu, K. Sasaki, T. Masui, A. Kuramata, S. Yamakoshi, K. Horiba, H. Kumigashira, A. Ohtomo
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Japanese Journal of Applied Physics
Volume: 55
Issue: 12
Pages: 1202B6-1202B6
DOI
NAID
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0021-4922, 1347-4065
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[Journal Article] Suppression of the antiferromagnetic pseudogap in the electron-doped high-temperature superconductor by protect annealing2016
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M. Horio, T. Adachi, Y. Mori, A. Takahashi, T. Yoshida, H. Suzuki, L. C. C. Ambolode II, K. Okazaki, K. Ono, H. Kumigashira, H. Anzai, M. Arita, H. Namatame, M. Taniguchi, D. Ootsuki, K. Sawada, M. Takahashi, T. Mizokawa, Y. Koike, A. Fujimori
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Nat. Comm.
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[Journal Article] Slater to Mott Crossover in the Metal to Insulator Transition ofNd2Ir2O72016
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M. Nakayama, Takeshi Kondo, Z. Tian, -J. Ishikawa, M. Halim, C. Bareille, W. Malaeb, K. Kuroda, T. Tomita, S. Ideta, K. Tanaka, M. Matsunami, S. Kimura, N. Inami, K. Ono, H. Kumigashira, L. Balents, S. Nakatsuji, and S. Shin
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Physical Review Letter
Volume: 117
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[Journal Article] Surface Kondo effect and non-trivial metallic state of the Kondo Insulator YbB122016
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K. Hagiwara, Y. Ohtsubo, M. Matsunami, S. Ideta, K. Tanaka, H. Miyazaki, J. Rault, P. Le Fevre, F. Bertran, A. Taleb-Ibrahimi, R. Yukawa, M. Kobayashi, K. Horiba, H. Kumigashira, K. Sumida, T. Okuda, F. Iga, S. Kimura
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[Journal Article] Comparative ARPES studies of LaOxF1?xBiS2(x = 0.23 and 0.46)2016
Author(s)
K. Terashima, T. Wakita, M. Sunagawa, H. Fujiwara, T. Nagayama, K. Ono, H. Kumigashira, M. Nagao, S. Watauchi, I. Tanaka, H. Okazaki, Y. Takano, Y. Mizuguchi, H. Usui, K. Kuroki, Y. Muraoka, T. Yokoya
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J. Phys.: Conference Series
Volume: 683
Pages: 012002-012002
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[Journal Article] Electronic structure of Ti1−xFexO2−δthin films with oxygen vacancies probed by soft X-ray spectroscopy2015
Author(s)
K. Usui, S. Yamaguchi, N. Suzuki, Y. Shimazu, T. Tsuchiya, E. Sakai, M. Kobayashi, K. Horiba, H. Kumigashira, and T. Higuchi
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Journal Title
Japanese Journal of Applied Physics
Volume: 54
Issue: 6S1
Pages: 06FJ07-06FJ07
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ISSN
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[Journal Article] Metal–Insulator Transition ofc-Axis-Controlled V2O3Thin Film2015
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[Journal Article] Hole-ion Mixed Conduction of Orientation-Controlled BaPrO3−δ Thin Film with Mixed Valence States2015
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Issue: 11
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[Journal Article] Thickness-dependent ferromagnetic metal-to-paramagnetic insulator transition in La0.6Sr0.4MnO3 thin films studied by x-ray magnetic circular dichroism2014
Author(s)
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
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Journal Title
Phys. Rev. B
Volume: 89
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[Journal Article] Orbital correlations and dimensional crossover in epitaxial Pr0.5Ca0.5MnO3/La0.5Sr0.5MnO3 superlattices2014
Author(s)
H. Wadati, J. Okamoto, M. Garganourakis, V. Scagnoli, U. Staub, E. Sakai, H. Kumigashira, T. Sugiyama, E. Ikenaga, M. Nakamura, M. Kawasaki, and Y Tokura
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Journal Title
New J. Phys.
Volume: 16
Pages: 073044-073044
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[Journal Article] Photoemission and DMFT study of electronic correlations in SrMoO3: Effects of Hund's rule coupling and possible plasmonic sideband2014
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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
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[Journal Article] Spectroscopic studies on the electronic and magnetic states of Co-doped perovskite manganite Pr0.8Ca0.2Mn1-yCoyO3 thin films2013
Author(s)
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
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Journal Title
Physical Review B
Volume: 88
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[Presentation] Charge transfer at the heterointerface between perovskite oxides LaNiO3 and LaMnO32015
Author(s)
M. Kitamura, K. Horiba, M. Kobayashi, E. Sakai, M. Minohara, T. Mitsuhashi, A. Fujimori, H. Fujioka, and H. Kumigashira
Organizer
22nd International Workshop on Oxide Electronics
Place of Presentation
College de France, Paris, France
Year and Date
2015-10-07
Related Report
Int'l Joint Research
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[Presentation] Polarization dependent angle-resolved photoemission study on the (110) surface of SrVO3 films2015
Author(s)
T.Mitsuhashi, M, Minohara, M. Kitamura, R. Yukawa, E. Sakai, K . Horiba, K. Yoshimatsu, A. Fujimori, M . Kobayashi, and H . Kumigashira
Organizer
International Conference on Electron Spectroscopy and Structure
Place of Presentation
Stony Brook University, Brookhaven, New York, US
Year and Date
2015-09-28
Related Report
Int'l Joint Research
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