論文

• K. Nabetani, Y. Muramatsu, K. Oka, Kiho Nakano, H. Hojo, M. Mizumaki, A. Agui, Y. Higo, N. Hayashi, M. Takano, M. Azuma. Suppression of temperature hysteresis in negative thermal expansion compound BiNi1− x Fe x O3 and zero-thermal expansion composite, APPLIED PHYSICS LETTERS, Vol. 106, pp. 061912, 2015.
• Fujita Kazuhiro, Hamidian Mohammad, H, Edkins Stephen D, Kim Chung Koo, Kohsaka Yuhki, Azuma Masaki, Takano Mikio, Takagi Hidenori, Eisaki Hiroshi, Uchida Shin-ichi, Allais Andrea, Lawler Michael J, Kim EA, Sachdev S, Davis JCS. Direct phase-sensitive identification of a d-form factor density wave in underdoped cuprates, PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA, Vol. 111, No. 30, pp. E3026-E3032, July 2014.
• Matteo d’Astuto, Ikuya Yamada, Paola Giura, Lorenzo Paulatto, Andrea Gauzzi, Moritz Hoesch, Michael Krisch, Masaki Azuma, Mikio Takano. Phonon anomalies and lattice dynamics in the superconducting oxychlorides Ca₂−_xCuO₂Cl₂, PHYSICAL REVIEW B, Vol. 88, pp. 014522, July 2013.
• Yutaka ITOH, Takato MACHI, Ikuya YAMADA, Masaki AZUMA, Mikio TAKANO. Cu NQR and NMR Studiesof Optimally Doped Ca₂xNaxCuO₂Cl₂, Journal of the Physical Society of Japan, Vol. 82, No. 5, Apr. 2013.
• Yutaka ITOH, Takato MACHI, Ikuya YAMADA, Masaki AZUMA, Mikio TAKANO. Cu NQR and NMR Studies of Optimally Doped Ca₂-_xNa_xCuO₂Cl₂, Journal of the Physical Society of Japan, Vol. 82, pp. 055001-1-2, Apr. 2013.
• R. Schuster, S. Pyon, M. Knupfer, M. Azuma, M. Takano, H. Takagi, B. B¨uchner. Angle-dependent spectral weight transfer and evidence of a symmetry-broken in-plane charge response in Ca₁.₉Na₀.₁CuO₂Cl₂, PHYSICAL REVIEW B, Vol. 86, No. 245112, pp. 1-6, Dec. 2012.
• Yoji Kobayashi, Olivier J. Hernandez, Tatsunori Sakaguchi, Takeshi Yajima, Thierry Roisnel, Yoshihiro Tsujimoto, Masaki Morita, Yasuto Noda, Yuuki Mogami, Atsushi Kitada, Masatoshi Ohkura, Saburo Hosokawa, Zhaofei Li, Katsuro Hayashi, Yoshihiro Kusano, Jung-Eun Kim, Naruki Tsuji, Akihiko Fujiwara, Yoshitaka Matsushita, Kazuyoshi Yoshimura, Kiyonori Takegoshi, Masashi Inoue, Mikio Takano, Hiroshi Kageyama. An Oxyhydride of BaTiO₃ Exhibiting Hydride Exchange and Electronic Conductivity, Nature Materials, 11, 6, 507-511, June 2012.
• Y. Kohsaka, T. Hanaguri, M. Azuma, M. Takano, J. C. Davis, H. Takagi. Visualization of the emergence of the pseudogap state and the evolution to superconductivity in a lightly hole-doped Mott insulator, NATURE PHYSICS, Vol. 8, pp. 534-538, May 2012.
• James A. Enterkin, Paul A. Maggard, Shintaro Ishiwata, Laurence D. Marks, Kenneth R. Poeppelmeier, Masaki Azuma, Mikio Takano. Single crystal growth and structure of La4Cu3MoO12, JOURNAL OF SOLID STATE CHEMISTRY, Vol. 183, No. 3, p. 551, Mar. 2010.
• Kengo Oka, Masaki Azuma, Alexei A. Belik, Hiroshi Kojitani, Masaki Akaogi, Mikio Takano, Yuichi Shimakawa. Pressure-Induced Transformation of 6H Hexagonal to 3C Perovskite Structure in PbMnO3, Inorganic Chemistry, Vol. 48, No. 5, pp. 2285, Mar. 2009.
• Mizokawa, T., Y. Morita, T. Sudayama, K. Takubo, I. Yamada, M. Azuma, M. Takano, Y. Shimakawa. Metallic versus insulating behavior in the A-site ordered perovskite oxides ACu3Co4O12 (A = Ca and Y) controlled by Mott and Zhang-Rice physics., Phys. Rev. B, Vol. 80, pp. 125105-1-125105-4, 2009.
• R. Schuster, S. Pyon, M. Knupfer, J. Fink, M. Azuma, M. Takano, H. Takagi, B. Buchner. Charge-transfer excitons in underdoped Ca2-xNaxCuO2Cl2 studied by electron energy-loss spectroscopy, Phys. Rev. B, Vol. 79, pp. 214517-1-4, 2009.
• T. Hanaguri, Y. Kohsaka, M. Ono, M. Maltseva, P. Coleman, I. Yamada, M. Azuma, M. Takano, K. Ohishi, H. Takagi. Coherence Factors in a High-Tc Cuprate Probed by Quasi-Particle Scattering Off Vortices, Science, Vol. 32, pp. 923-926, 2009.
• Mizumaki, M., N. Ishimatsu, N. Kawamura, M. Azuma, Y. Shimakawa, M. Takano, Takayuki Uozumi. Direct observation of the pressure-induced charge redistribution in BiNiO3 by x-ray absorption spectroscopy., Phys. Rev. B,, Vol. 80, 125105-1-125105-4, 2009.
• K. Nishimura, M. Azuma, Shigeto Hirai, M. Takano, Y. Shimakawa. Synthesis and Physical Properties of Double Perovskite Pb2FeReO6,, Inorg. Chem., Vol. 48, pp. 5962-5966, 2009.
• Kohki Satoh, Masatoshi Hiraishi, Masanori Miyazaki, Satoshi Takeshita, Akihiro Koda, R. Kadono, I. Yamada, K. Oka, M. Azuma, Y. Shimakawa, M. Takano. Effect of Zn substitution for Cu on Ca2-xNaxCuO2Cl2 near the hole concentration of 1/8 per Cu., Physica B-Condensed Matter, Vol. 404, pp. 713-716, 2009.
• Kengo Oka, Masaki Azuma, Ikuya Yamada, Soshi Takeshita, Kohki Satoh, Akihiro Koda, Ryosuke Kadono, Mikio Takano, Yuichi Shimakawa. Magnetic ground-state of perovskite PbVO3 with large tetragonal distortion, Inorganic Chemistry, Vol. 47, No. 16, pp. 7355, Aug. 2008.
• Kengo Oka, Masaki Azuma, Naoaki Hayashi, Shigetoshi Muranaka, Yasuo Narumi, Koichi Kindo, Masatsune Kato, Yoji Koike, Yuichi Shimakawa, Mikio Takano. Charge and magnetic orderings in the triangular-lattice antiferromagnet InFe2O4, Journal of the Physical Society of Japan, Vol. 77, No. 6, pp. 064803, June 2008.
• I. Yamada, K. Takata, N. Hayashi, Shinohara Satoshi, M. Azuma, Shigeo Mori, S. Muranaka, Y. Shimakawa, M. Takano. A perovskite containing quadrivalent iron as a charge-disproportionated ferrimagnet., Angew. Chem. Int. Ed., Vol. 47, pp. 7032-7035, 2008.
• S. Ishiwata, I. Terasaki, M. Azuma, M. Takano. High pressure synthesis and structure of a new magnetoplumbite-type cobalt oxide SrCo12O19., J. Solid State Chem., Vol. 181, Page 1273-1278, 2008.
• H. Ohta, S. Okubo, K. Shiraki, Makoto Yoshida, A. A. Belik, M. Azuma, M. Takano. High field ESR measurements on one dimensional antiferromagnetic zigzag chain systems., J. Korean Phys. Soc, Vol. 53, pp. 999-1005, 2008.
• N. Ichikawa, M. Arai, Y. Imai, K. Hagiwara, H. Sakama, M. Azuma, Y. Shimakawa, M. Takano, Y. Kotaka, M. Yonetani, H. Fujisawa, M. Shimizu, K. Ishikawa, Y. Cho. Multiferroism at Room Temperature in BiFeO3/BiCrO3(111) Artificial Superlattices, Applied Physics Express, Vol. 1, pp. 101302, 2008.
• A. A. Belik, M. Nagao, M. Azuma, M. Takano, Y. Matsui, E. Takayama-Muromachi. Structural and Physical Properties of Heavily Doped Yttrium Vanadate: Y0.6Cd0.4VO3, Chem. Mater., Vol. 20, pp. 5246-5252, 2008.
• S. J. E. Carlsson, M. Azuma, Y. Shimakawa, M. Takano, A. Hewat, J. P. Attfield. Neutron powder diffraction study of the crystal and magnetic structures of BiNiO3 at low temperature., J. Solid State Chem., Vol. 181, pp. 611-615, 2008.
• K. Takata, I. Yamada, M. Azuma, M. Takano, Y. Shimakawa. Magnetoresistance and electronic structure of the half-metallic ferrimagnet BiCu3Mn4O12, Phys. Rev. B, Vol. 76, pp. 024429-1-024429-4, 2007.
• M. Azuma, Hirochika Kanda, A. A. Belik, Y. Shimakawa, M. Takano. Magnetic and Structural Properties of BiFe1-xMnxO3, J. Mag. Mag. Mater., Vol. 310, pp. 1177-1179, 2007.
• H. Wadati, Kiyonao Tanaka, A. Fujimori, T. Mizokawa, H. Kumigashira, M. Oshima, S. Ishiwata, M. Azuma, M. Takano. Temperature-dependent photoemission and x-ray absorption studies of the metal-insulator transition in Bi1−xLaxNiO3, Phys. Rev. B, Vol. 76, pp. 205123/1-4, 2007.
• 白木 宏, 齊藤高志, 山田高広, 辻本将彦, 東 正樹, 倉田博基, 磯田正二, 高野幹夫, 島川祐一. Aサイトオーダーダブルペロブスカイト型構造を持つ強磁性銅酸化物CaCu3Ge4O12及びCaCu3Sn4O12, 粉体および粉末冶金, Vol. 55, No. 2, pp. 132-136, 2007.
• 河合正徳, 齊藤高志, 林直顕, 東正樹, 高野幹夫, 島川祐一. 高圧法を用いた層状化合物AFe6-xMnxO11 (A=Ba, Sr)の合成, 粉体および粉末冶金, Vol. 54, No. 1, pp. 58-63, 2007.
• T. Hanaguri, Y. Kohsaka, J. C. Davis, C. Lupien, I. Yamada, M. Azuma, M. Takano, Kazuki Ooishi, H. Takagi. Low-energy spectroscopic mapping studies in optimally-doped Ca2-xNaxCuO2Cl2., Physica C, Vol. 460, pp. 954-955, 2007.
• 岡研吾, 東正樹, 鳴海康雄, 金道浩一, 林直顕, 島川祐一, 高野幹夫. 三角格子反強磁性体InFe2O4の合成と物性, 粉体および粉末冶金, Vol. 54, No. 1, pp. 53-57, 2007.
• A.A. Belik, S. Iikubo, Tadahiro Yokosawa, K. Kodama, N. Igawa, S. Shamoto, M. Azuma, M. Takano, Koji Kimoto, Yoshio Matsui, E. Takayama-Muromachi. Origin of the Monoclinic-to-Monoclinic Phase Transition and Evidence for the Centrosymmetric Crystal Structure of BiMnO3, J. Am. Chem. Soc., Vol. 129, No. 4, pp. 971-977, 2007.
• 西村浩輔, 東 正樹, 高野幹夫, 島川祐一. ダブルペロブスカイトPb2FeReO6の合成と物性, 粉体および粉末冶金, Vol. 55, No. 2, pp. 137-140, 2007.
• S. Ishiwata, M. Azuma, M. Takano. Structure and Physical Properties of Perovskite Bi0.8Pb0.2NiO3 in Unusual Valence State A4+B2+O3, Chem. Mater., Vol. 19, No. 8, Page 1964-1967, 2007.
• H. Shiraki, T. Saito, Takahiro Yamada, M. Tsujimoto, M. Azuma, Hiroki Kurata, Syoji Isoda, M. Takano, Y. Shimakawa. Ferromagnetic cuprates CaCu3Ge4O12 and CaCu3Sn4O12 with A-site ordered perovskite structure, Phys. Rev. B, Vol. 76, pp. 140403/1-4., 2007.
• K.M. Shen, F. Ronning, W. Meevasana, D.H. Lu, N.J.C. Ingle, F. Baumberger, W.S. Lee, L.L. Miller, Y. Kohsaka, M. Azuma, M. Takano, H. Takagi, Z.-X. Shen. Angle-Resolved Photoemission Studies of Lattice Polaron Formation in the Cuprate Ca2CuO2Cl2, Phys. Rev. B, Vol. 75, No. 7, pp. 075115-1-075115-5, 2007.
• A. A. Belik, N. Hayashi, M. Azuma, S. Muranaka, M. Takano, E. Takayama-Muromachi. Magnetic and Mossbauer studies of 5% Fe-doped BiMnO3, J. Solid State Chem., Vol. 180, pp. 3401-3407, 2007.
• I. Yamada, M. Azuma, Y. Shimakawa, M. Takano. Single crystal growth of A-site deficient superconductor Ca2-xCuO2Cl2., Physica C, Vol. 460, pp. 420-421, 2007.
• Y. Kohsaka, C. Taylor, K. Fujita, A. Schmidt, C. Lupien, T. Hanaguri, M. Azuma, M. Takano, H. Eisaki, H. Takagi, S. Uchida, J.C. Davis. An Intrinsic Bond-Centered Electronic Glass with Unidirectional Domains in Underdoped Cuprates, Science, Vol. 315, No. 5817, pp. 1380-1385, 2007.
• T. Lancaster, S. J. Blundell, P. J. Baker, F. L. Pratt, W. Hayes, I. Yamada, M. Azuma, M. Takano. A muon-spin relaxation study of BiMnO3, Journal of Physics-Condensed Matter, Vol. 19, 2007.
• T. Hanaguri, Y. Kohsaka, J. C. Davis, C. Lupien, I. Yamada, M. Azuma, M. Takano, K. Ohishi, M. Ono, H. Takagi. Quasi-particle interference and superconducting gap in a high-temperature superconductor Ca2-xNaxCuO2Cl2, Nature Physics, Vol. 3, pp. 865-871, 2007.
• A.A. Belik, Satoshi Iikubo, Katsuaki Kodama, Naoki Igawa, Shin-ichi Shamoto, Seiji Niitaka, M. Azuma, Y. Shimakawa, M. Takano, F. Izumi, E. Takayama-Muromachi. Neutron Powder Diffraction Study on the Crystal and Magnetic Structures of BiCoO3, Chem. Mater., Vol. 18, No. 3, pp. 798-803, 2006.
• M. Azuma, S. Niitaka, A. Belik, S. Ishiwata, T. Saito, K. Takata, I. Yamada, Y. Shimakawa, M. Takano. Magnetic Ferroelectrics Bi, Pb-3d Transition Metal Perovskites, Transactions of Materials Research Society of Japan, Vol. 31, No. 1, pp. 41-46, 2006.
• A.A. Belik, M. Azuma, A. Matsuo, S. Okubo, H. Ohta, K. Kindo, M. Takano, Kaji. Crystal Structure and Properties of Phosphate PbCu2(PO4)2 with Spin-Singlet Ground State, Phys. Rev., 73, Vol. 73, No. 2, pp. 024429-1-024429-7, 2006.
• W. Zhang, N. Kumada, Y. Yonesaki, T. Takei, N. Kinomura, T. Hayashi, M. Azuma, M. Takano. Ferroelectric perovskite-type barium copper niobate: BaCu1/3Nb2/3O3, Solid State Chem., Vol. 179, pp. 4052-4055, 2006.
• Atsunobu Masuno, Mitsutaka Haruta, M. Azuma, H. Kurata, S. Isoda, M. Takano, Y. Shimakawa. Epitaxial growth and B-site cation ordering in layered double perovskite La2CuSnO6 thin films, Appl. Phys. Lett., Vol. 89, pp. 211913-1-211913-3, 2006.
• Shojiro Kimura, Hirofumi Ishikawa, Y. Inagaki, M. Yoshida, S. Okubo, H. Ohta, H. nojiri, A.A. Belik, M. Azuma, M. Takano. ESR Measurements on One-Dimensional Quantum Ferrimagnets A3Cu3(PO4)4 with A=Sr and Ca in Submillimeter-Wave Region, J. Phys. Soc. Jpn., Vol. 75, No. 9, pp. 094718-1-094718-7, 2006.
• J.T.Rijssenbeek, T. Saito, S.Malo, M. Azuma, M. Takano, K.R. Poeppelmeier. Effect of Explicit Cationic Size and Valence Constraints on the Phase Stability of 1:2 B-Site-Ordered Perovskite Ruthenates, J. Am. Chem. Soc., Vol. 127, No. 2, Page 675-681, May 2005.
• A.A. Belik, A. Matsuo, M. Azuma, K. Kindo, M. Takano. Long-Range Magnetic Ordering of S=1/2 Linear Trimers in A3Cu3(PO4)4 (A=Ca, Sr, and Pb), J. Solid State Chem., Vol. 178, No. 3, pp. 709-714, 2005.
• Masaaki Matsuda, K. Kakurai, A.A. Belik, M. Azuma, M. Takano, M. Fujita. Magnetic Excitations from the Linear Heisenberg Antiferromagnetic Spin Trimer System A3Cu3(PO4)4 (A=Ca, Sr, and Pb), Phys. Rev. B, Vol. 71, No. 14, pp. 144411-1-144411-5, 2005.
• S. Okubo, Akio Taketani, H. Ohta, T. Kunimoto, Y. Inagaki, T. Saito, M. Azuma, M. Takano, H. Kikuchi. High Field ESR Measurements of S=1/2 Diamond Chain Substance Cu3(CO3)2(OH)2 at the Magenetization Plateau Region, Progress of Theoretical Physics Supplement, No. 159, pp. 11-16, 2005.
• Yamada, A.A. Belik, M. Azuma, Harjo S., T. Kamiyama, Y. Shimakawa, M. Takano. Single-Layer Oxychloride Superconductor Ca2-xCuO2Cl2 with A-Site Cation Deficiency, Phys. Rev. B, Vol. 72, No. 222, pp. 224503-1-224503-5, 2005.
• K. Shiraki, M. Yoshida, S. Okubo, H. Ohta, A.A. Belik, M. Azuma, M. Takano. High Field ESR Measurements of MCuP2O7 (M=Sr, Pb), Progress of Theoretical Physics Supplement, No. 159, pp. 168-172, 2005.
• 高田和英, 東正樹, 島川祐一, 高野幹夫. 高圧合成法を用いた強磁性強誘電体ビスマスダブルペロブスカイトの探索, 粉体および粉末冶金, Vol. 52, No. 12, pp. 913-917, 2005.
• M. Azuma, Kazuhide Takata, T. Saito, S. Ishiwata, Y. Shimakawa, M. Takano. Designed Ferromagnetic, Ferroelectric Bi2NiMnO6, J. Am. Chem. Soc., Vol. 127, No. 24, Page 8889-8892, 2005.
• Alexei A. Belik, M. Azuma, T. Saito, Y. Shimakawa, M. Takano. Crystallographic Features and Tetragonal Phase Stability of PbVO3, a New Member of PbTiO3 Family, Chem. Mater., Vol. 17, No. 2, Page 269-273, 2005.
• A.A. Belik, M. Azuma, M. Takano. Magnetic Properties of Isostructural BaCoP2O7, BaNiP2O7 and BaCuP2O7 Studied with dc and ac Magnetization and Specific Heat, Inorg. Chem., Vol. 44, No. 21, Page 7523-7529, 2005.
• R. Yu, X. Xing, T. Saito, M. Azuma, M. Takano, D. Wang, Y. Chen, N. Kumada, N. Kinomura. A Novel Organically Templated Hybrid Open-Framework Manganese Phosphate-Oxalate, Solid State Sciences, Vol. 7, No. 2, pp. 221-226, 2005.
• K.M. Shen, F. Ronning, D.H. Lu, F. Baumberger, N.J.C. Ingle, W.S. Lee, W. Meevasana, Y. Kohsaka, M. Azuma, M. Takano, M. Takagi, Z.-X. Shen. Nodal Quasiparticles and Antinodal Charge Ordering in Ca2-xNaxCuO2Cl2, Science, Vol. 307, No. 5711, pp. 901-904, 2005.
• Daiki Wadati, M Takizawa, Tran Trung, Kiyonao Tanaka, Takashi Mizokawa, Atsushi Fujimori, Akira Chikamatsu, Hiroshi Kumigashira, M Oshima, S. Ishiwata, M. Azuma, M. Takano. Valence Changes Associated with the Metal-Insulator Transition in Bi1-xLaxNiO3, Phys. Rev. B, Vol. 72, No. 15, pp. 155103-1-155103-5, 2005.
• Qiu Y., Broholm C., S. Ishiwata, M. Azuma, M. Takano, Bewley R., Buyers W.J.L. Buyers. Spin-Trimer Antiferromagnetism in La4Cu3MoO12, Phys. Rev. B, Vol. 71, No. 21, pp. 214439-1-214439-8, 2005.
• Kazuki Ooishi, I. Yamada, Akihiro Kohda, Wataru Higemoto, Saha S.R., R. Kadono, Kojima K.M., M. Azuma, M. Takano. Magnetic Phase Diagram of Hole-Doped Ca2-xNaxCuO2Cl2 Cuprate Superconductor, J. Phys. Soc Jpn, Vol. 74, No. 9, pp. 2408-2412, 2005.
• S. Ghosh, Kamaraju N., Seto M., A. Fujimori, Y. Takeda, S. Ishiwata, S. Kawasaki, M. Azuma, M. Takano, Sood A.K.. Raman Scattering in CaFeO3 and La0.33Sr0.67FeO3 across the Charge-Disproportionation Phase Transition, Phys. Rev. B, Vol. 71, No. 24, pp. 245110-1-245110-7, 2005.
• S. Ishiwata, M. Azuma, . M. Hanawa, Y. Moritomo, Kazuki Ooishi, K. Kato, M. Takata, Eiji Nishibori, M. Sakata, I. Terasaki, M. Takano. Pressure/Temperature/Substitution-Induced Melting of A-Site Charge Disproportionation in Bi1-xLaxNiO3 (0≤x≤0.5), Phys. Rev. B, Vol. 72, No. 4, pp. 045104-1-045104-7, 2005.
• Y. Inagaki, Y. Narumi, K. Kindo, H. Kikuchi, T. Kamikawa, T. Kunimoto, S. Okubo, H. Ohta, T. Saito, M. Azuma, M. Takano, H. Nojiri, M Kaburagi, Takashi Tonegawa. Ferro-Antiferromagnetic Delta-Chain System Studied by High Field Magnetization Measurements, J. Phys. Soc. Jpn., Vol. 74, No. 10, pp. 2831-283, 2005.
• A.A. Belik, M. Azuma, A. Matsuo, Whangbo M.-H., Koo H.-J., Kikuchi J., Tomoyuki Kaji, S. Okubo, H. Ohta, K. Kindo, M. Takano. Investigation of the Crystal Structure and the Structural and Magnetic Properties of SrCu2(PO4)2, Inorg. Chem., Vol. 44, No. 19, pp. 6632-6640, 2005.
• A.A. Belik, F. Izumi, M. Azuma, T. Kamiyama, Oikawa K., Pokholok K.V., B.I. Lazoryak, M. Takano. Redox Reactions in Strontium Iron Phosphates: Synthesis, Structures, and Characterization of Sr9Fe(PO4)7 and Sr9FeD(PO4)7, Chem. Mater., Vol. 17, No. 22, pp. 5455-5464, 2005.
• Kaji, S. Okubo, H. Ohta, Yuhji Inagaki, A.A. Belik, M. Azuma, M. Takano. High Field ESR Measurements of Spin Gap System MCu2(PO4)2, J. Phys. & Chem. Solids,, Vol. 66, No. 11, pp. 2068-2071, 2005.
• A.A. Belik, M. Azuma, Akira Matsuo, K. Kindo, M. Takano. Low-Dimensional Ferromagnetic Properties of SrCuV2O7 and BaCuV2O7, Inorg. Chem, Vol. 44, No. 10, pp. 3762-3766, 2005.
• Stefanovich S.Y., A.A. Belik, M. Azuma, M. Takano, Baryshnikova O.V., Morozov V.A., Lazoryak B.I., Levedev O.I., Tendeloo G.V.. Antiferroelectric Phase Transition in Sr9In(PO4)7, Phys. Rev. B, Vol. 70, No. 17, pp. 172103-1-172103-4, 2004.
• A.A. Belik, M. Azuma, M. Takano, B.I. Lazoryak. SrFe2(PO4)2: Ab Initio Structure Determination with X-Ray Powder Diffraction Data and Unusual Magnetic Properties, Chem. Mater., Vol. 16, No. 22, Page 4311-4318, 2004.
• A.A. Belik, M. Azuma, M. Takano. Characterization of Quasi-One-Dimensional S=1/2 Heisenberg Antiferromagnets Sr2Cu(PO4)2 and Ba2Cu(PO4)2 with Magnetic Susceptibility, Specific Heat, and Thermal Analysis, J. Solid State Chem., Vol. 177, No. 3, Page 883-888, 2004.
• A.A. Belik, M. Azuma, M. Takano. Phase Transitions in Sr-Containing Phosphates and Vanadates with -Ca3(PO4)2-Related Structures, Solid State Ionics, Vol. 172, No. 1-4, Page 533-537, 2004.
• Yuhki Kousaka, K. Iwaya, S. Satow, Tetsuo Hanaguri, M. Azuma, M. Takano, H. Takagi. Imaging Nanoscale Electronic Inhomogeneity in the Lightly Doped Mott Insulator Ca2-xNaxCuO2Cl2, Phys. Rev. Lett., Vol. 93, No. 9, pp. 097004-1-097004-4, 2004.
• M. Azuma, Hirofumi Yoshida, T. Saito, Takahiro Yamada, M. Takano. Pressure-Induced Buckling of Spin Ladder in SrCu2O3, J. Am. Chem. Soc., Vol. 126, No. 26, pp. 8244-8246, 2004.
• J. Kikuchi, K. Motoya, T. Saito, M. Azuma, M. Takano. NMR Characterization of Spin-1/2 Alternating Antiferromagnetic Chains in the High-Pressure Phase of (VO)2P2O7, J. Phys.:Condens. Matter, Vol. 16, No. 12, pp. L167-L172, 2004.
• T. Hanaguri, C Lupien, yuhki Kohsaka, D.-H. Lee, M. Azuma, M. Takano, H. Takagi, J.C. Davis. A 'Checkerboard' Electronic Crystal State in Lightly Hole-Doped Ca2-xNaxCuO2Cl2, Nature,, Vol. 430, No. 7003, pp. 1001-1005, 2004.
• Yamada, M. Azuma, M. Takano. Superconductivity at 38 K in the Single Layer Oxychloride without Cation Substitution, Physica C,, Vol. 412-414, Part 1, pp. 27-30, 2004.
• A.A. Belik, M. Azuma, M. Takano. Magnetic Properties of Some Cu-Containing Phosphates, J. Mag. Mag. Mat., Vol. 272-276, Part 2, pp. 937-938, 2004.
• S. Ishiwata, M. Azuma, M. Takano. Pressure-Induced Metal-Insulator Transition in BiNiO3, Solid State Ionics,, Vol. 172, No. 1-4, pp. 569-571, 2004.
• Yu R., Wang D., S. Ishiwata, T. Saito, M. Azuma, M. Takano, Chen Y.Chen, Li J.. Synthesis and Characterization of the First Organically Templated Layered Cerium Phosphate Fluoride: [(CH2)2(NH3)2]0.5[CeIVF3(HPO4)], Chem. Lett., Vol. 33, No. 4, pp. 458-459, 2004.
• Shen K.M., Yoshida T., Lu D.H., Ronning F., Armitage N.P., Lee W.S., Zhou X.J., Damascelli A., Feng D.L., Ingle N.J.C., Eisaki H., Y. Kohsaka, H. Takagi, Kakeshita T., Uchida S., Mang P.K., Greven M., Onose Y., Y. Tokura, Ando Y., S. Komiya, Taguchi Y., Masaki Azuma, A. Fujimori, M. Takano, Shen Z.-X.. Fully Gapped Single-Particle Excitations in Lightly Doped Cuprates, Phys. Rev. B,, Vol. 69, No. 5, 054503-1-054503-5, 2004.
• K. M. Shen, F. Ronning, D. H. Lu, W. S. Lee, N. J. C. Ingle, W. Meevasana, F. Baumberger, A. Damascelli, N. P. Armitage, L. L. Miller, Y. Kohsaka, M. Azuma, M. Takano, H. Takagi, Z.-X. Shen. Missing Quasiparticles and the Chemical Potential Puzzle in the Doping Evolution of the Cuprate Superconductors, Phys. Rev. Lett., Vol. 93, No. 9, pp. 267002-1-267002-4, 2004.
• Kensaku Hiraka, Yuta Nagasaka, T. Kunimoto, Y. Inagaki, S. Okubo, H. Ohta, T. Saito, M. Azuma, M. Takano. Magnetic Phase Transition of High-Pressure Phase (VO)2P2O7 Studied by High-Field ESR Measurements, J. Mag. Mag. Mat., Vol. 272-276, No. 1, pp. e1675-e1676, 2004.
• S. Niitaka, M. Azuma, M. Takano, E. Nishibori, M. Takata, M. Sakata. Crystal Structure and Dielectric and Magnetic Properties of BiCrO3 as a Ferroelectromagnet, Solid State Ionics, Vol. 172, No. 1-4, pp. 557-559, 2004.
• T. Saito, M. Azuma, E. Nishibori, M. Takata, M. Sakata, N. Nakayama, T. Arima, Tsuyoshi Kimura, C. Urano, M. Takano. Monoclinic Distortion in the Insulating Phase of PrNiO3, Physica B, Vol. 329-333, No. Part II, pp. 866-867, Dec. 2003.
• M. Azuma, T. Saito, S. Ishiwata, I. Yamada, yuhki Kohsaka, H. Takagi, M. Takano. Single Crystal Growth of Transition Metal Oxides at High Pressures of Several GPa, Physica C,, Vol. 392-396, Part I, 22-28, 2003.
• T Kimura, S Kawamoto, I. Yamada, M. Azuma, M. Takano, Y. Tokura. Magnetocapacitance Effect in Multiferroic BiMnO3, Phys. Rev. B,, Vol. 67, No. 18, pp. 180401(R)-1-180401(R)-4, 2003.
• Y. Kohsaka, T. Hanaguri, K. Kitazawa, M. Azuma, M. Takano, H. Takagi. STM/STS Study on Ca2-xNaxCuO2Cl2 Single Crystals, Physica C,, Vol. 388-389, pp. 283-284, 2003.
• T. Uchino, A. Sakoh, M. Azuma, S. Kohara, M. Takahashi, M. Takano, T. Yoko. Anelastic Compression of Nanometer-Sized Silica Particles under High Pressure: A High-Energy X-Ray Diffraction Measurement, Phys. Rev. B,, Vol. 67, No. 9, pp. 092202-1-092202-4, 2003.
• H. Ohta, S. Okubo, Tomohisa Kamikawa, Takashi Kunimoto, Y. Inagaki, H. Kikuchi, T. Saito, M. Azuma, M. Takano. High Field ESR Study of the S=1/2 Diamond-Chain Substance Cu3(CO3)2(OH)2 up to the Magnetization Plateau Region, J. Phys. Soc. Jpn., Vol. 72, No. 10, pp. 2464-2467, 2003.
• Y. Kohsaka, T. Hanaguri, Kohichi Kitazawa, M. Azuma, M. Takano, H. Takagi. Real Space Imaging of the Electronic States in Underdoped Ca2-xNaxCuO2Cl2 Single Crystals, Journal of Low Temperature Physics,, Vol. 131, No. 3/4, pp. 299-303, 2003.
• A.A. Belik, M. Azuma, M. Takano. Short-range and Long-range Magnetic Ordering in SrCuP2O7 and PbCuP2O7, Inorg. Chem., Vol. 42, Page 8572-8578, 2003.
• S. Ishiwata, M. Azuma, M. Takano, E. Nishibori, M. Takata, MAKOTO SAKATA. Suppression of A Site Charge Disproportionation in Bi1-xLaxNiO3, Physica B, Vol. 329-333, No. Part II, pp. 813-814, 2003.
• T. Kamikawa, S. Okubo, T. Kunimoto, H. Ohta, Y. Inagaki, H. Kikuchi, T. Saito, M. Azuma, M. Takano. High Field ESR Measurement of Diamond Chain Substance Cu3(OH)2(CO3)2, Physica B, Vol. 329-333, No. 2, pp. 988-989, 2003.
• T. Kunimoto, T. Kamikawa, Y. Inagaki, S. Okubo, H. Ohta, H. Kikuchi, T. Saito, M. Azuma, M. Takano. ESR Study of Frustrared Δ-Chain System, Physica B, Vol. 329-333, No. 2, pp. 1057-1058, 2003.
• M. Azuma, T. Saito, I. Yamada, Y. Kohsaka, H. Takagi, M. Takano. Single Crystal Growth of Ca2-xNaxCuO2Cl2 and Related Compounds at High Pressures of Several GPa, Journal of Low Temperature Physics,, Vol. 131, No. 3/4, pp. 671-679, 2003.
• M. Azuma, T. Saito, S. Ishiwata, H. Yoshida, M. Takano, Y. Kohsaka, H. Takagi, W. Utsumi. Single-Crystal Growth of Transition Metal Oxides at High Pressures of Several GPa, J. Phys.: Condens. Matter, Vol. 14, No. 44, 11321-11324, 2002.
• 吉田裕史, 齊藤高志, 山田高広, 東正樹, 高野幹夫. スピン梯子化合物SrCu2O3およびSr2Cu3O5の圧力誘起構造相転移, 粉体および粉末冶金, Vol. 49, No. 5, pp. 377-381, 2002.
• T. Uchino, A. Sakoh, M. Azuma, M. Takano, M. Takahashi, T. Yoko. A Novel Pressure-Induced Polymorphic Transition from Fumed Silica to Transparent Amorphous SiO2 at Room Temperature, J. Phys.: Condens. Matter, Vol. 14, No. 44, pp. 11111-11114, 2002.
• S. Ishiwata, M. Azuma, M. Takano, E. Nishibori, M. Takata, M. Sakata, K. Kato. High Pressure Synthesis, Crystal Structure and Physical Properties of a New Ni(II) Perovskite BiNiO3, J. Mater. Chem., Vol. 12, No. 12, pp. 3733-3737, 2002.
• D.C. Johnston, T. Saito, M. Azuma, M. Takano, T. Yamauchi, Y. Ueda. Modeling of the Magnetic Susceptibilities of the Ambient- and High-Pressure Phases of (VO)2P2O7, Phys. Rev. B,, Vol. 64, No. 13, pp. 134403-1-134403-23, 2001.
• T. Saito, M. Azuma, M. Fujita, M. Takano. Observation of the Spin Gap in a S=1/2 Alternating Chain Compound, High Pressure Phase of (VO)2P2O7, J. Phys. Soc. Jpn.,, Vol. 70, Suppl. A, pp. 183-185, 2001.
• Shigeki Osugi, Y. Kitaoka, M. Azuma, Y. Fujishiro, M. Takano, T. Nagata, H. Fujino, J. Akimitsu. Cu NMR/NQR Studies on Magnetism in Impurity/Hole-Doped Spin-Ladder Compounds, Hyperfine Interactions,, Vol. 133, No. 1, pp. 157-162., 2001.
• Y. Narumi, S. Kimura, S. Hirai, K. Kindo, H. Schwenk, S. Schmidt, B. Wolf, B. Lüthi, T. Saito, M. Azuma, M. Takano. High-Field Magnetization Measurements on Single Crystals of (VO)2P2O7, Physica B, Vol. 294-295, pp. 71-74, 2001.
• H. Ohta, S. Okubo, T. Sakurai, T. Goto, K. Kirita, K. Ueda, Y. Uwatoko, T. Saito, M. Azuma, M. Takano, J. Akimitsu. High-Frequency ESR Measurements Using Pulsed Magnetic Fields in Kobe, Physica B, Vol. 294-295, pp. 624-629, 2001.
• 石渡晋太郎, 東正樹, 齊藤高志, 川崎修嗣, 高野幹夫. CaFeO3の高圧下単結晶育成, 粉体および粉末冶金, Vol. 48, No. 8, pp. 715-718, 2001.
• Naoki Fujiwara, Takashi Saito, M. Azuma, M. Takano. NMR Study of the Critical Behavior near the Ordering Point in a Zn-Doped Spin Ladder SrCu2O3, Phys. Rev. B, Vol. 61, No. 18, Page 12196-12199, 2000.
• M. Azuma, T. Saito, M. Takano. Two New Quantum Spin Compounds: S=1/2 Alternating Chain System, High Pressure Form of (VO)2P2O7 and 2D Spin Trimer Compound La4Cu3MoO12, J. Phys. Soc. Jpn., Vol. 69, Suppl. B, 108-113, 2000.
• M.I. Larkin, Y. Fudamoto, I.M. Gat, A. Kinkhabwala, K.M. Kojima, G.M. Luke, J. Merrin, B. Nachumi, Y.J. Uemura, M. Azuma, T. Saito, M. Takano. Exponential Field Distribution in Sr(Cu1-xZnx)2O3, Physica B, Vol. 289-290, pp. 153-156, 2000.
• N. Fujiwara, M. Azuma, M. Takano. NMR Study of Zn-Doped SrCu2O3 near the Ordering Point, Physica B, Vol. 284-288, Page 1392-1393, 2000.
• M. Azuma, T. Odaka, M. Takano, D.A.V. Griend, K.R. Poeppelmeier, Y. Narumi, K. Kindo, Yoshiaki Mizuno, Sadamichi Maekawa. Antiferromagnetic Ordering of S=1/2 Triangles in La4Cu3MoO12, Phys. Rev. B, Vol. 62, No. 6, R3588-R3591, 2000.
• K.R. Thurber, Takashi Imai, Takashi Saito, M. Azuma, M. Takano, F.C. Chou. 63Cu NQR Evidence of Dimensional Crossover to Anisotropic 2D Regime in S=1/2 Three-Leg Ladder Sr2Cu3O5, Phys. Rev. Lett., Vol. 84, No. 3, pp. 558-561, 2000.
• D.A.V. Griend, K.R. Poeppelmeier, H. Toganoh, M. Azuma, M. Takano. High Pressure Synthesis of Cuprate Perovskites, Physica C,, Vol. 341-348, No. Part 1, pp. 335-338, 2000.
• S. Ohsugi, Y. Kitaoka, M. Azuma, Y. Fujishiro, M. Takano. Antiferromagnetic Long-Range Order in Ni-Doped Spin-Ladder Compound SrCu2O3, Physica B, Vol. 281&282, Page 665-666, 2000.
• M. Azuma, T. Saito, Z. Hiroi, M. Takano, Yasuo Narumi, K. Kindo. New S=1/2 Alternating Chain Compound - High Pressure Form of (VO)2P2O7 -, ACTA Physica Polonica A,, Vol. 97, No. 1, Page 205-208, 2000.
• T. Saito, Takahito Terashima, M. Azuma, M. Takano, T. Goto, H. Ohta, Wataru Utsumi, Pier Bordet, David C. Johnston. Single Crystal Growth of the High Pressure Phase of (VO)2P2O7 at 3 GPa, J. Solid State Chem., Vol. 153, No. 1, pp. 124-131, 2000.
• M.I. Larkin, Y. Fudamoto, I.M. Gat, A. Kinkhabwala, K.M. Kojima, G.M. Luke, M. Merrin, B. Nachumi, Y.J. Uemura, M. Azuma, T. Saito, M. Takano. Crossover from Dilute to Majority Spin Freezing in Two Leg Ladder System Sr(Cu, Zn)2O3, Phys. Rev. Lett., Vol. 85, No. 9, pp. 1982-1985, 2000.
• Z. Hiroi, M. Azuma, Y. Fujishiro, T. Saito, M. Takano, Fujio Izumi, T. Kamiyama, Takushi Ikeda. Structural Study of the Quantum-Spin Chain Compound (VO)2P2O7, J. Solid State Chem.,, Vol. 146, pp. 369-379, 1999.
• S. Ohsugi, Y. Kitaoka, You Tokunaga, K. Ishida, M. Azuma, Y. Fujishiro, M. Takano. Impurity Effect of the Spin-Ladder System SrCu2O3, Physica B, Vol. 259-261, Page 1040-1041, 1999.
• M. Azuma, T. Saito, Y. Fujishiro, Z. Hiroi, M. Takano, F. Izumi, T. Kamiyama, T. Ikeda, Y. Narumi, K. Kindo. High-Pressure Form of (VO)2P2O7: A Spin-1/2 Antiferromagnetic Alternating-Chain Compound with One Kind of Chain and a Single Spin Gap, Phys. Rev. B, Vol. 60, No. 14, pp. 10145-10149, 1999.
• 齊藤高志, 東正樹, 高野幹夫, 広井善二, 鳴海康雄, 金道浩一, 内海渉. スピンギャップ化合物(VO)2P2O7高圧相の磁性と単結晶作製, 粉体および粉末冶金, Vol. 46, No. 9, pp. 1014-1019, 1999.
• S Ohsugi, Y. Tokunaga, K. Ishida, Y. Kitaoka, M. Azuma, Yoshie Fujishiro, M. Takano. Impurity-Induced Staggered Polarization and Antiferromagnetic Order in Spin-1/2 Heisenberg Two-Leg Ladder Compound SrCu2O3: Extensive Cu NMR and NQR Studies, Phys. Rev. B, Vol. 60, No. 6, Page 4181-4190, 1999.
• D.A.V. Griend, S. Boudin, . V. Caignaert, K.R. Poeppelmeier, Wang Y., Dravid V.P., M. Azuma, M. Takano, Z. Hu, Jorgensen J.D.. La4Cu3MoO12: A Novel Cuprate with Unusual Magnetism, J. Am. Chem. Soc., Vol. 121, No. 20, pp. 4787-4792, 1999.
• D.A.V. Griend, Sophie Boudin, K.R. Poeppelmeier, M. Azuma, Hiroshi Toganoh, M. Takano. High Pressure Transformation of La4Cu3MoO12 to a Layered Perovskite, J. Am. Chem. Soc., Vol. 120, No. 44, pp. 11518-11519, 1998.
• M. Azuma, Y. Fujishiro, M. Takano, M. Nohara, ひでのり たかぎ, S. Ohsugi, Y. Kitaoka, R.S. Eccleston. Impurity Effects on a Two-Leg Spin Ladder Compound SrCu2O3, J. Mag. Mag. Mat.,, Vol. 177-181, P, 655-656, 1998.
• N. Fujiwara, H. Yasuoka, Y. Fujishiro, M. Azuma, M. Takano. Nuclear Magnetic Resonance in the Ladder System Sr(ZnxCu1-x)2O3, J. Mag. Mag. Mat., Vol. 177-181, PartⅠ, pp. 655-656, 1998.
• N. Fujiwara, Hiroshi Yasuoka, Y. Fujishiro, M. Azuma, M. Takano. NMR Study of Zn Doping Effect in Spin Ladder System SrCu2O3, Phys. Rev. Lett., Vol. 80, No. 3, pp. 604-607, 1998.
• M. Azuma, M. Takano, R.S. Eccleston. Disappearance of the Spin Gap in a Zn-Doped 2-Leg Ladder Compound Sr(Cu1-xZnx)2O3, J. Phys. Soc. Jpn., Vol. 67, No. 3, Page 740-743, 1998.
• M. Azuma, Kaimori Shingo, M. Takano. High-Pressure Synthesis and Magnetic Properties of Layered Double Perovskites Ln2CuMO6 (Ln=La, Pr, Nd, and Sm; M=Sn and Zr), Chem. Mater., Vol. 10, No. 10, Page 3124-3130, 1998.
• H. Schwenk, D. König, S. Schmidt, M. Sieling, W. Palme, B. Lüthi, S. Zvyagin, R.S. Eccleston, M. Azuma, M. Takano. Magnetic Resonances in Spin Ladder Systems (VO)2P2O7, SrCu2O3 and Sr2Cu3O5, Physica B, Vol. 237-238, pp. 115-116, 1997.
• 改森信吾, 川崎修嗣, 東正樹, 高野幹夫. Ln2CuSnO6 (Ln=La, Pr, Nd, Sm)の高圧合成, 粉体および粉末冶金, Vol. 44, No. 2, pp. 127-131, 1997.
• Hiroshi Kageyama, Kazuyoshi Yoshimura, K Kosuge, M. Azuma, M. Takano, H Mitamura, Tomohiro Goto. Magnetic Anisotropy of Ca3Co2O6 with Ferromagnetic Ising Chains, J. Phys. Soc. Jpn.,, Vol. 66, No. 12, pp. 3996-4000, 1997.
• M. Takano, M. Azuma, Y. Fujishiro, M. Nohara, H. Takagi, Naoki Fujiwara, H. Yasuoka, Shigeki Osugi, Y. Kitaoka, R.S. Eccleston. Impurity Effects on a 2-Leg Spin Ladder Compound SrCu2O3, Physica C, Vol. 282-287, PartⅠ, pp. 149-152, 1997.
• M. Azuma, Y. Fujishiro, M. Takano, Minoru Nohara, ひでのり たかぎ. Switching of the Gapped Single Spin-Liquid State to an Antiferromagnetically Ordered State in Sr(Cu1-xZnx)2O3, Phys. Rev. B,, Vol. 55, No. 14, pp. R8658-R8661, 1997.
• R.S. Eccleston, M. Azuma, M. Takano. Neutron-Scattering and Susceptibility Study of Spin Chains and Spin Ladders in (Sr0.8Ca0.2)14Cu24O4, Phys. Rev. B, Vol. 53, No. 22, Page R14721-R14724, 1996.
• K. Ishida, Y Tokunaga, Y. Kitaoka, K. Asayama, M. Azuma, Z. Hiroi, M. Takano. Antiferromagnetic Nuclear Resonance of Cu in Infinite-Layer Compounds, SrCuO2 and Ca0.9Sr0.1CuO2 -Comparison between Hyperfine Coupling Constant in a CuO2 Plane and in a Spin-Ladder System-, J. Phys. Soc. Jpn., Vol. 65, No. 1, Page 329-330, 1996.
• Yoshio Oka, Takeru Yao, Naokazu Yamamoto, Yutaka Ueda, Syuji Kawasaki, M. Azuma, M. Takano. Hydrothermal Synthesis, Crystal Structure, and Magnetic Properties of FeVO4-II, J. Solid State Chem., Vol. 123, No. 1, pp. 54-59, 1996.
• K. Ishida, Y. Kitaoka, Y. Tokunaga, S Matsumoto, K. Asayama, M. Azuma, Z. Hiroi, M. Takano. Spin Correlation and Spin Gap in Quasi-One-Dimensional Spin-1/2 Cuprate Oxides: A 63Cu NMR Study, Phys. Rev. B, Vol. 53, No. 5, Page 2827-2834, 1996.
• Kenji Kojima, Keren A., Luke G.M., Nachumi B., Wu W.D., Uemura Y.J, M. Azuma, M. Takano. Magnetic Behavior of the 2-Leg and 3-Leg Spin Ladder Cuprates Srn-1Cun+1O2n, Phys. Rev. Lett., Vol. 74, No. 14, pp. 2812-2815, 1995.
• 東正樹, 広井善二, 高野幹夫, 北岡良雄, 石田憲二. 擬一次元Srn-1Cun+1O2n (n=3, 5) の高圧合成とスピンギャップ, 粉体および粉末冶金, Vol. 41, No. 12, pp. 1464-1468, 1994.
• Z. Hiroi, Kazunari Yamaura, M. Azuma, M. Takano. High-Resolution Electron Microscopy Study of the Alkaline-Earth Cupric Oxides and Oxide Carbonates, Physica C,, Vol. 235-240, Part II, Page 1005-1006, 1994.
• Hiroki Takahashi, N Mori, M. Azuma, Z. Hiroi, M. Takano. Effect of Pressure on Tc of Hole- and Electron-Doped Infinite-Layer Compounds up to 8 GPa, Physica C, Vol. 227, No. 3&4, Page 395-398, 1994.
• Kenji Ishida, Yoshio Kitaoka, K Asayama, M. Azuma, Z. Hiroi, M. Takano. Spin Gap Behavior in Ladder-Type of Quasi-One-Dimensional Spin (S=1/2) System SrCu2O3, J. Phys. Soc. Jpn., Vol. 63, No. 9, Page 3222-3225, 1994.
• M. Takano, Z. Hiroi, M. Azuma. Superconductivity in the Alkaline Earth-Copper-Oxygen System with Tc=110K, Applied Superconductivity, Vol. 1, 3-6, 479-485, May 1993.
• 東正樹, 池田成明, 広井善二, 高野幹夫, 坂東尚周, 大高理, 山中高光, 武田保雄. 無限層構造をとる超伝導体の高圧合成, 粉体および粉末冶金, Vol. 40, No. 2, 179-182, 1993.
• Zenji Hiroi, Masaki Azuma, Mikio Takano, Yasuo Takeda. Structure and Superconductivity of the Infinite-Layer Compound (Ca1-ySry)1-xCuO2-z, Physica C, Vol. 208, No. 3&4, Page 286-296, 1993.
• Nariaki Ikeda, Zenji Hiroi, Masaki Azuma, Mikio Takano, Yoshichika Bando, Yasuo Takeda. Synthesis and Superconducting Properties of the Infinite-Layer Compounds Sr1-xLnxCuO2 (Ln=La, Nd, Sm, Gd), Physica C, Vol. 210, No. 3&4, Page 367-372, 1993.
• Zenji Hiroi, Mikio Takano, Masaki Azuma, Yasuo Takeda. A New Family of Copper Oxide Superconductors Srn+1CunO2n+1+ Stabilized at High Pressure, Nature, Vol. 364, No. 6435, Page 315-317, 1993.
• 武田保雄, 冨田 英也, 向井 保雄, 今西 誠之, 山本治, 東正樹, 高野幹夫. La2CuO4及びLa2-xAxCuO4（A=Bi, Pb）の電極酸化による酸素ドープ, 粉体および粉末冶金, Vol. 40, No. 2, pp. 146-150, 1993.
• 東正樹, 広井善二, 高野幹夫, 坂東尚周, 武田保雄, 山本治, 大高理, 久米昭一, 山中高光. アルカリ土類−銅酸化物超伝導体の高圧合成, 粉体および粉末冶金, Vol. 39, No. 5, pp. 337-340, 1992.
• Masaki Azuma, Zenji Hiroi, Mikio Takano, Yoshichika Bando, Yasuo Takeda. Superconductivity at 110K in the Infinite-Layer Compound (Sr1-xCax)1-yCuO2, Nature, Vol. 356, No. 6372, Page 775-776, 1992.
• 広井善二, 東正樹, 高野幹夫, 坂東尚周, 武田保雄. 無限層超伝導体A1-xCuO2-zの構造, 粉体および粉末冶金, Vol. 39, No. 9, pp. 718-721, 1992.
• H. Ohta, Nobuyasu Yamauchi, Mitsuhiro Motokawa, Masaki Azuma, Mikio Takano. Submillimeter Wave ESR of SrCuO2 and Sr2CuO3, J. Phys. Soc. Jpn., Vol. 61, No. 9, Page 3370-3376, 1992.
• Zenji Hiroi, Masaki Azuma, Mikio Takano, Yoshichika Bando. A New Homologous Series Srn-1Cun+1O2n Found in the SrO-CuO System Treated under High Pressure, J. Solid State Chem., 95, 1, page 230-238, 1991.
• Mikio Takano, Masaki Azuma, Zenji Hiroi, Yoshichika Bando, Yasuo Takeda. Superconductivity in the Ba-Sr-Cu-O System, Physica C, Vol. 176, No. 4-6, Page 441-444, 1991.
• Zenji Hiroi, Mikio Takano, Masaki Azuma, Yasuo Takeda, Yoshichika Bando. A New Superconducting Cupric Oxide Found in the Sr-Cu-O System, Physica C, Vol. 185-189, Part I, Page 523-524, 1991.

著書

• S. Okubo, K. Hazuki, T. Sakurai, H. Ohta, H. Yoshida, M. Azuma, M. Takano. Millimeter and Submillimeter wave ESR Measurement of Spin Ladder System Sr(Cu1-xZnx)2O3, EPR in the 21st Century, Elsevier Science B.V, pp. 747-750, 2002.
• M. Takano, Z. Hiroi, M. Azuma, S. Kawasaki, Ryoji KANNO, T. Takeda. Novel Transition Metal Oxides Prepared at High Pressure and Their Electronic Properties, Physics and Chemistry of Transiton-Metal Oxides, Solid-State Sciences, Springer-Verlag, Vol. 125, pp. 279-288, 1999.
• M. Takano, Z. Hiroi, M. Azuma, Y. Takeda. Application of High Pressure and High Oxygen Pressure to Cu-Oxides, Chemistry of High Temperature Superconductors, pp. 243-266, 1991.

国際会議発表 (査読有り)

• Takekazu Ishida, Takeshi Mikayama, Kiichi Okuda, M. Azuma, Z. Hiroi, M. Takano. Complex Susceptibility of Infinite-Layer Superconductor (Sr0.7Ca0.3)0.95CuO2-x, the 7th International Symposium on Superconductivity (ISS'94), Advances in Superconductivity VII, pp. 523-526, 1995.
• Z. Hiroi, M. Azuma, Y. Takeda, M. Takano. Curpic Oxide Superconductors in the Sr-Cu-O System, the 6th International Symposium on Superconductivity (ISS'93), Advances in Superconductivity VI, Vol. 1, pp. 285-290, 1994.
• M. Takano, Z. Hiroi, M. Azuma. Superconductivity in the Infinite-Layer Phase Stabilized Under High Pressure, the International Winter School, Electronic Properties of High-Tc Superconductors Springer Series in Solid-State Sciences, Vol. 113, pp. 13-18, 1993.
• Z. Hiroi, M. Azuma, M. Takano, Y. Takeda. Mechanism of Carrier Doping in the Superconducting Infinite-Layer Compound A1-xCuO2-z (A=Ca1-ySry), Proceedings of the 5th International Symposium on Superconductivity (ISS'92), Advances in Superconductivity V, pp. 211-214, 1993.

国内会議発表 (査読なし・不明)

• 橋本英樹, 小林玄器, 佐久間諒, 藤井達生, 林直顕, 鈴木智子, 菅野了次, 高野幹夫, 高田潤. 鉄酸化細菌が作る非晶質鉄酸化物構造体のリチウムイオン電池負極特性, 第55回電池討論会, Nov. 2014.
• 小林 洋治, ヘルナンデス オリビエー, 坂口 辰徳, 矢島 健, ロワネル ティエリー, 辻本 吉廣, 森田 昌樹, 野田 泰斗, 最上 祐貴, 北田 敦, 大倉 仁寿, 細川 三郎, 李 兆飛, 林 克郎, 草野 圭弘, 金 廷恩, 辻 成希, 藤原 明比古, 松下 能孝, 吉村 一良, 竹腰 清乃理, 井上 正志, 高野 幹夫, 陰山 洋. 新しいチタン系オキシハイドライド(1), 日本化学会第92春季年会, Mar. 2012.
• 小林 洋治, Olivier J. Hernandez, 坂口辰徳, 矢島健, Thierry Roisnel, 辻本吉廣, 森田昌樹, 野田泰斗, 最上祐貴, 北田敦, 大倉仁寿, 細川三郎, 李兆飛, 林克郎, 草野 圭弘, 金延恩, 辻成希, 藤原明比古, 松下能孝, 吉村一良, 竹腰清乃理, 井上正志, 高野幹夫, 陰山洋. 新規チタン酸水素化物(1): BaTiO3-xHx, 日本セラミックス協会2012年年会, Mar. 2012.
• 森田 洋輔, 高野 幹夫, 須田山 貴亮, 田久保 耕, 溝川 貴司, 山田 幾也, 白木 宏, 齊藤 高志, 東 正樹, 島川 祐一. 24aPS-78 Aサイトダブルペロブスカイト(Ca,Na)Cu_3V4O_<12>の光電子分光(24aPS ポスターセッション(低温),領域8(強相関係:高温超伝導,強相関f電子系など)), 日本物理学会講演概要集, 一般社団法人 日本物理学会, Vol. 63, No. 0, 2008.
• 森田 洋輔, 須田山 貴亮, 田久保 耕, 溝川 貴司, 山田 幾也, 白木 宏, 東 正樹, 島川 祐一, 高野 幹夫. 22aWG-7 Aサイトダブルペロブスカイト(Ca,Y)Cu_3Co4O_<12>の光電子分光(Co酸化物,熱電材料,領域8,強相関係:高温超伝導,強相関f電子系など), 日本物理学会講演概要集, 一般社団法人 日本物理学会, Vol. 62, No. 0, 2007.

その他の論文・著書など

• 東正樹, 岡研吾, 辻本将彦, 齊藤高志, 磯田正二, 島川祐一, 高野幹夫, 新高誠司, Alexei Belik. Bi, Pb-3d遷移金属ペロブスカイトの構造物性研究, 日本結晶学会誌, Vol. 49, No. 6, pp. 335-340, 2007.
• 東正樹, 齊藤高志, 山田幾也, 島川祐一, 高野幹夫. 放射光Ｘ線その場観察に基づく高圧相遷移金属酸化物の単結晶育成, 放射光, Vol. 19, No. 5, pp. 304-313, 2006.
• 石渡晋太郎, 齊藤高志, 東正樹, 高野幹夫. ペロブスカイト型ニッケル酸化物の固体化学, セラミックス, Vol. 41, No. 3, pp. 183-188, 2006.
• 東正樹, 高田和英, 齊藤高志, 山田幾也, 島川祐一, 高野幹夫. 機能性酸化物材料探索の新展開, 高圧力の科学と技術, Vol. 15, No. 4, pp. 292-302, 2005.
• 東正樹, 幸坂祐生, 山田幾也, Belik Alexei, 高木英典, 高野幹夫. 高圧下での酸化物単結晶育成と新物質探索, 応用物理, Vol. 74, No. 1, pp. 27-31, 2005.
• 東正樹, 齊藤高志, 新高誠司, 石渡晋太郎, 神田浩周, 山田幾也, 高野幹夫, 内海渉. 放射光Ｘ線回折を利用した高圧合成研究, 固体物理, Vol. 38, No. 2, pp. 141-150, 2003.
• 東正樹, 高野幹夫. GPa領域での遷移金属酸化物単結晶育成, 日本物理学会誌, Vol. 57, No. 7, pp. 492-499, 2002.
• 東正樹, 高野幹夫. スピン梯子化合物およびその周辺物質, 物性研究, Vol. 74, No. 4, pp. 343-356, 2000.
• 高野幹夫, 広井善二, 東正樹, 武田保雄. アルカリ土類−銅酸化物超伝導体の高圧合成, 応用物理, Vol. 61, No. 5, pp. 503-507, 1992.
• 高野幹夫, 広井善二, 東正樹, 武田保雄. 新しい銅酸化物超伝導体の探索：高圧合成, 固体物理, Vol. 27, No. 3, pp. 251-255, 1992.
• M. Takano, Z. Hiroi, M. Azuma, Y. Takeda. Application of High Pressure and High Oxygen Pressure to Copper Oxides, Mechanisms of Superconductivity, JJAP Series, Vol. 7, pp. 3-13, 1992.

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