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Materials and processes for innovative next-generation devices
Research Results
Phase I Phase II Phase III

2009 Researchers

Hideo KAIJU Hiroshi KUMIGASHIRA Yasushi TAKAHASHI
Katsuhiro TOMIOKA Koji NAKANO Hiroyuki NAKAMURA
Jiro NISHINAGA Yutaka NOGUCHI Suguru NODA
Masataka HIGASHIWAKI Tomoki MACHIDA Hiroshi YAMAMOTO

Hiroshi KUMIGASHIRA

paper
[8] M. Minohara, K. Horiba, H. Kumigashira, E. Ikenaga, and M. Oshima, "Depth profiling the Potential in perovskite oxide heterojunctions using photoemission spectroscopy", Phys. Rev. B 85, 165108[1-6] (2012).
[7] M. Oshima, S. Toyoda, K. Horiba, R. Yasuhara and H. Kumigashira, "Synchrotron Radiation Nano-spectroscopy of Dielectrics for LSI and ReRAM", ECS Transactions - Boston, 41 (3) 453-460 (2011).
[6] E. Sakai, K. Yoshimatsu, K. Shibuya, H. Kumigashira, E. Ikenaga, M. Kawasak, Y. Tokura, and M. Oshima, "Competition between instabilities of Peierls transition and Mott transition in W-doped VO2 thin films", Phys. Rev. B 84, 195132[1-5] (2011).
[5] T. Yamamoto, R. Yasuhara, I. Ohkubo, H. Kumigashira, and M. Oshima, "Formation of transition layers at metal/perovskite oxide interfaces showing resistive switching behaviors", J. Appl. Phys. 110, 053707[1-7] (2011).
[4] K. Yoshimatsu, K. Horiba, H. Kumigashira, T. Yoshida, A. Fujimori, and M. Oshima, "Metallic Quantum Well States in Artificial Structures of Strongly Correlated Oxide", Science 333, 319-322 (2011).
[3] M. Minohara, R. Yasuhara, H. Kumigashira, and M. Oshima, "Termination layer dependence of Schottky barrier height for La0.6Sr0.4MnO3/Nb:SrTiO3 heterojunctions", Phys. Rev. B 81, 235322[1-6] (2010).
[2] K. Yoshimatsu, T. Okabe, H. Kumigashira, S. Okamato, S. Aizaki, A. Fujimori, and M. Oshima, "Dimensional-Crossover-Driven Metal-Insulator Transition in SrVO3 Ultrathin Films", Phys. Rev. Lett. 104, 147601[1-4] (2010).
[1] R. Yasuhara, T. Yamamoto, I. Ohkubo, H. Kumigashira, and M. Oshima, "Interfacial chemical states of resistance-switching metal/Pr0.7Ca0.3MnO3 interfaces", Appl. Phys. Lett. 97, 132111[1-3] (2010).
presentation
[9] 並木武史、山本大貴、安原隆太郎、大久保勇男、組頭広志、尾嶋正治, "Al/Pr0.7Ca0.3MnO3 構造ReRAM における素子特性の酸化物膜厚依存性", 2011年春季第58回応用物理学関係連合講演会 神奈川工科大学 (Japanese, 2011/3/26).
[8] 山本大貴、安原隆太郎、大久保勇男、組頭広志、尾嶋正治, "Al/La0.6Sr0.4MnO3界面型ReRAMにおける多値スイッチング動作", 2011年春季第58回応用物理学関係連合講演会 神奈川工科大学 (Japanese, 2011/3/26).
[7] 中田耕次、並木武史、山本大貴、安原隆太郎、大久保勇男、組頭広志、尾嶋正治, "界面電子状態を制御したAl/Fe3O4 型低環境負荷不揮発メモリの開発", 2011年春季第58回応用物理学関係連合講演会 神奈川工科大学 (Japanese, 2011/3/24).
[6] T. Yamamoto, R. Yasuhara, I. Ohkubo, H. Kumigashira, and M. Oshima, "Interfacial redox reactions at Al/perovskite oxide heterojunctions showing resistive switching", 17th International Workshop on Oxide Electronics 淡路夢舞台国際会議場 (2010/9/20).
[5] 安原隆太郎、山本大貴、大久保勇男、堀場弘司、組頭広志、池永英司、尾嶋正治, "フォーミング過程におけるAl/Pr0.7Ca0.3MnO3界面電子状態変化の観測", 2010年秋季第71回応用物理学会学術講演会 長崎大学 (Japanese, 2010/9/17).
[4] 山本大貴、安原隆太郎、大久保勇男、組頭広志、尾嶋正治, "金属/伝導性酸化物La0.6Sr0.4MnO3界面における抵抗変化現象", 2010年秋季第71回応用物理学会学術講演会 長崎大学 (Japanese, 2010/9/15).
[3] 山本大貴、安原隆太郎、大久保勇男、組頭広志、尾嶋正治, "抵抗変化を示すAl/La0.33Sr0.67FeO3界面における電子状態解析", 2010年春季 第57回応用物理学関係連合講演会東海大学 (Japanese, 2010/3/10).
[2] 安原隆太郎、山本大貴、大久保勇男、組頭 広志、尾嶋正治, "電極/Pr0.7Ca0.3MnO3界面電子状態の 電極依存性", 2010年春季 第57回応用物理学関係連合講演会東海大学 (Japanese, 2010/3/10).
[1] 組頭広志, "酸化物の新機能と先端計測・分析技術", 応用物理学会(2012年春季)、早稲田大学スクール講演 (Japanese, 2012/3/15).
invited speech
[6] 組頭広志, "In-situ放射光電子分光による強相関酸化物の表面・界面研究", 日本物理学会(2012年年次大会)、関西学院大学 (Japanese, 2012/3/27).
[5] Hiroshi KUMIGASHIRA, "Metallic Quantum Well States in Artificial Structures Based on Strongly-Correlated Oxide", 2012 Villa Conference on Complex Oxide Heterostructures (VC-COH), Orlando, FL, US (2012/4/18).
[4] Hiroshi KUMIGASHIRA, "Metallic Quantum Well States in Artificial Structures Based on Strongly-Correlated Oxide", SPIE Photonics West, Jan. 24 (Jan. 21-26), 2012, Moscone Center, San Francisco, CA, US (2012/1/24).
[3] Hiroshi KUMIGASHIRA, "Metallic Quantum Well States in Artificial Structures based on Strongly-Correlated Oxide", 18th International Workshop on Oxide Electronics, Napa Valley Marriott Hotel&Spa, CA, US (2011/9/26).
[2] Hiroshi KUMIGASHIRA, "Metal-insulator transition and two-dimensional electron liquid in SrVO3 ultrathin films", 2011 Villa Conference on Complex Oxide Heterostructures (VC-COH), Las Vegas, Nevada, US (2011/4/22).
[1] Hiroshi KUMIGASHIRA, "Direct observation of redox reactions in resistance random access memory", 2010 International Technology Roadmap for Semiconductors, Memory Materials Workshop, Tsukuba, Japan (2010/11/30).
publications
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patent
[1]
press
[1] 「強相関電子を2次元空間に閉じ込めることに成功―新たな高温超伝導物質の実現や、電子素子作りに道を拓く―」, 2011/7/15, 福井新聞、河北新報、日経産業、日刊工業ほか.



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