• 3723 引用
  • 35 h指数
1987 …2019

Research output per year

Pureに変更を加えた場合、すぐここに表示されます。

研究成果

2019
公開

Magnetic study of the lower critical field of organic superconductor λ-(Bets)2gacl4

Sari, D. P., Hiraki, K. I., Nakano, T., Hagiwara, M., Nozue, Y., Kusakawa, T., Hori, A., Yamamoto, A., Watanabe, I. & Ishii, Y., 2019 1 1, Functional Properties of Modern Materials II. Kurniawan, B., Nugroho, A. A., Darminto, Watanabe, I. & Risdiana (版). Trans Tech Publications Ltd, p. 296-301 6 p. (Materials Science Forum; 巻数 966 MSF).

研究成果: Conference contribution

2018

Charge dynamics and metal-insulator transition in perovskite SrIr1−xSnxO3

Fujioka, J., Okawa, T., Masuko, M., Yamamoto, A. & Tokura, Y., 2018 1 1, : : Journal of the Physical Society of Japan. 87, 12, 123706.

研究成果: Article

2 引用 (Scopus)

Cu hyperfine coupling constants of HgBa2CaCu2O6+δ

Itoh, Y., MacHi, T. & Yamamoto, A., 2018 7 26, : : Journal of Physics: Conference Series. 1054, 1, 012006.

研究成果: Conference article

1 引用 (Scopus)
2017

Correlated Dirac semimetallic state with unusual positive magnetoresistance in strain-free perovskite SrIrO3

Fujioka, J., Okawa, T., Yamamoto, A. & Tokura, Y., 2017 3 3, : : Physical Review B. 95, 12, 121102.

研究成果: Article

21 引用 (Scopus)

Evidence for Weakly Correlated Oxygen Holes in the Highest- Tc Cuprate Superconductor HgBa2Ca2Cu3 O8+δ

Chainani, A., Sicot, M., Fagot-Revurat, Y., Vasseur, G., Granet, J., Kierren, B., Moreau, L., Oura, M., Yamamoto, A., Tokura, Y. & Malterre, D., 2017 7 31, : : Physical Review Letters. 119, 5, 057001.

研究成果: Article

3 引用 (Scopus)

Magnetic susceptibility of optimally doped HgBa2CuO4+δ

Itoh, Y., Machi, T. & Yamamoto, A., 2017 12 13, : : Physical Review B. 96, 23, 235118.

研究成果: Article

1 引用 (Scopus)

S= 12 quantum critical spin ladders produced by orbital ordering in Ba2CuTeO6

Gibbs, A. S., Yamamoto, A., Yaresko, A. N., Knight, K. S., Yasuoka, H., Majumder, M., Baenitz, M., Saines, P. J., Hester, J. R., Hashizume, D., Kondo, A., Kindo, K. & Takagi, H., 2017 3 21, : : Physical Review B. 95, 10, 104428.

研究成果: Article

4 引用 (Scopus)
7 引用 (Scopus)
2015

Coexistence of monochalocogen and dichalocogen ions in BiSe2 and BiS2 crystals prepared at high pressure

Yamamoto, A., Hashizume, D., Bahramy, M. S. & Tokura, Y., 2015 4 20, : : Inorganic Chemistry. 54, 8, p. 4114-4119 6 p.

研究成果: Article

3 引用 (Scopus)
23 引用 (Scopus)

Thermal conductivity across the metal-insulator transition in the single-crystalline hyperkagome antiferromagnet Na3+xIr3 O8

Fauqué, B., Xu, X., Bangura, A. F., Hunter, E. C., Yamamoto, A., Behnia, K., Carrington, A., Takagi, H., Hussey, N. E. & Perry, R. S., 2015 2 25, : : Physical Review B - Condensed Matter and Materials Physics. 91, 7, 075129.

研究成果: Article

10 引用 (Scopus)
2014
2013

Quantifying covalency and metallicity in correlated compounds undergoing metal-insulator transitions

Chainani, A., Yamamoto, A., Matsunami, M., Eguchi, R., Taguchi, M., Takata, Y., Takagi, H., Shin, S., Nishino, Y., Yabashi, M., Tamasaku, K. & Ishikawa, T., 2013 1 9, : : Physical Review B - Condensed Matter and Materials Physics. 87, 4, 045108.

研究成果: Article

2 引用 (Scopus)

Zero resistivity above 150K in HgBa2Ca2Cu 3O8+δ at high pressure

Takeshita, N., Yamamoto, A., Iyo, A. & Eisaki, H., 2013 2, : : Journal of the Physical Society of Japan. 82, 2, 023711.

研究成果: Article

40 引用 (Scopus)
2012

Strong coupling superconductivity at 8.4 K in an antiperovskite phosphide SrPt 3P

Takayama, T., Kuwano, K., Hirai, D., Katsura, Y., Yamamoto, A. & Takagi, H., 2012 6 8, : : Physical Review Letters. 108, 23, 237001.

研究成果: Article

57 引用 (Scopus)

Superconducting Phase at 7.7 K in the HgxReO3 Compound with a Hexagonal Bronze Structure

Ohgushi, K., Yamamoto, A., Kiuchi, Y., Ganguli, C., Matsubayashi, K., Uwatoko, Y. & Takagi, H., 2011 1 4, : : Physical Review Letters. 106, 1, 017001.

研究成果: Article

5 引用 (Scopus)
2010

Magnetic ground state of pyrochlore oxides close to metal-insulator boundary probed by muon spin rotation

Miyazaki, M., Kadono, R., Satoh, K. H., Hiraishi, M., Takeshita, S., Koda, A., Yamamoto, A. & Takagi, H., 2010 9 8, : : Physical Review B - Condensed Matter and Materials Physics. 82, 9, 094413.

研究成果: Article

8 引用 (Scopus)

On the possibility of MgB2-like superconductivity in potassium hexaboride

Katsura, Y., Yamamoto, A., Ogino, H., Horii, S., Shimoyama, J. I., Kishio, K. & Takagi, H., 2010 12, : : Physica C: Superconductivity and its Applications. 470, SUPPL.1

研究成果: Article

2 引用 (Scopus)

Superconductivity in 4d and 5d transition metal layered pnictides BaRh 2P2, BaIr2P2 and SrIr 2As2

Hirai, D., Takayama, T., Hashizume, D., Higashinaka, R., Yamamoto, A., Hiroko, A. K. & Takagi, H., 2010 12 1, : : Physica C: Superconductivity and its applications. 470, SUPPL.1, p. S296-S297

研究成果: Article

19 引用 (Scopus)

Ten layered hexagonal perovskite Sr5Ru5-xO 15 (x = 0.90), a weak ferromagnet with a giant coercive field H c ∼ 12 T

Yamamoto, A., Hashizume, D., Katori, H. A., Sasaki, T., Ohmichi, E., Nishizaki, T., Kobayashi, N. & Takagi, H., 2010 10 26, : : Chemistry of Materials. 22, 20, p. 5712-5717 6 p.

研究成果: Article

6 引用 (Scopus)
2007

Erratum: Metal-insulator transition in a pyrochlore-type ruthenium oxide, Hg 2Ru 2O 7 (Journal of the Physical Society of Japan (2007) 76, (043703))

Yamamoto, A., Sharma, P. A., Okamoto, Y., Nakao, A., Katori, H. A., Niitaka, S., Hashizume, D. & Takagi, H., 2007 7, : : Journal of the Physical Society of Japan. 76, 7, 078002.

研究成果: Comment/debate

Fermi level shift in la1-xSrxMO3 (M=Mn, Fe, Co, and Ni) probed by Schottky-like heteroepitaxial junctions with SrTi 0.99Nb0.01O3

Sawa, A., Yamamoto, A., Yamada, H., Fujii, T., Kawasaki, M., Matsuno, J. & Tokura, Y., 2007 8 2, : : Applied Physics Letters. 90, 25, 252102.

研究成果: Article

43 引用 (Scopus)

Metal-insulator transition in a pyrochlore-type ruthenium oxide, Hg 2Ru2O7

Yamamoto, A., Sharma, P. A., Okamoto, Y., Nakao, A., Aruga Katori, H., Niitaka, S., Hashizume, D. & Takagi, H., 2007 4 1, : : Journal of the Physical Society of Japan. 76, 4, 043703.

研究成果: Article

32 引用 (Scopus)
9 引用 (Scopus)
2006

Phonon softening in HgBa2CuO4+δ and MgB 2

Uchiyama, H., Baron, A. Q. R., Tsutsui, S., Tanaka, Y., Ishikawa, D., Lee, S., Hu, W. Z., Yamamoto, A., Heid, R., Bohnen, K. P., Ishikawa, T., Tajima, S. & Endoh, Y., 2006 1, : : Journal of Physics and Chemistry of Solids. 67, 1-3, p. 294-297 4 p.

研究成果: Article

2005

Effects of carbon incorporation on doping state of YBa2Cu 3Oy

Yamamoto, A., Hirose, K., Itoh, Y., Kakeshita, T. & Tajima, S., 2005 5 1, : : Physica C: Superconductivity and its Applications. 421, 1-4, p. 1-9 9 p.

研究成果: Article

7 引用 (Scopus)
2004

Carbon-substitution effect on superconducting properties in MgB2 single crystals

Masui, T., Lee, S., Yamamoto, A., Uchiyama, H. & Tajima, S., 2004 10, : : Physica C: Superconductivity and its Applications. 412-414, SPEC. ISS., p. 303-306 4 p.

研究成果: Article

24 引用 (Scopus)

Crystal growth of C-doped MgB2 superconductors: Accidental doping and inhomogeneity

Lee, S., Masui, T., Yamamoto, A., Uchiyama, H. & Tajima, S., 2004 10, : : Physica C: Superconductivity and its Applications. 412-414, SPEC. ISS., p. 31-35 5 p.

研究成果: Article

62 引用 (Scopus)

Metallization of La1/3NbO3 by lithium incorporation

Yamamoto, A., Uchiyama, H. & Tajima, S., 2004 9 1, : : Materials Research Bulletin. 39, 11, p. 1691-1699 9 p.

研究成果: Article

6 引用 (Scopus)

Phonon softening in HgBa2CuO4+δ observed by inelastic X-ray scattering

Uchiyama, H., Baron, A. Q. R., Tsutsui, S., Tanaka, Y., Hu, W. Z., Yamamoto, A., Tajima, S. & Endoh, Y., 2004 12 1, : : Physica Status Solidi C: Conferences. 1, 11, p. 3130-3133 4 p.

研究成果: Article

Softening of Cu-O bond stretching phonons in tetragonal HgBa 2CuO4+δ

Uchiyama, H., Baron, A. Q. R., Tsutsui, S., Tanaka, Y., Hu, W. Z., Yamamoto, A., Tajima, S. & Endoh, Y., 2004 5 14, : : Physical Review Letters. 92, 19, p. 197005-197001 5 p.

研究成果: Article

62 引用 (Scopus)
2003

A Raman scattering study of superconductivity in MgB2

Quilty, J. W., Lee, S., Yamamoto, A., Tajima, S. & Yamanaka, A., 2003 5, : : Physica C: Superconductivity and its Applications. 388-389, p. 131-132 2 p.

研究成果: Article

6 引用 (Scopus)

Carbon-substituted MgB2 single crystals

Lee, S., Masui, T., Yamamoto, A., Uchiyama, H. & Tajima, S., 2003 10 1, : : Physica C: Superconductivity and its Applications. 397, 1-2, p. 7-13 7 p.

研究成果: Article

202 引用 (Scopus)

Crystal growth and characterization of MgB2: The relation between structural and superconducting properties

Lee, S., Masui, T., Mori, H., Eltsev, Y., Yamamoto, A. & Tajima, S., 2003 2 1, : : Superconductor Science and Technology. 16, 2, p. 213-220 8 p.

研究成果: Article

32 引用 (Scopus)

De Haas-van Alphen effect in single crystal MgB2

Carrington, A., Cooper, J. R., Hussey, N. E., Meeson, P. J., Yelland, E. A., Lee, S., Yamamoto, A. & Tajima, S., 2003 5, : : Physica C: Superconductivity and its Applications. 388-389, p. 105-106 2 p.

研究成果: Article

Determination of the Fermi Surface of [Formula presented] by the de Haas–van Alphen Effect

Carrington, A., Meeson, P. J., Cooper, J. R., Balicas, L., Hussey, N. E., Yelland, E. A., Lee, S., Yamamoto, A., Tajima, S., Kazakov, S. M. & Karpinski, J., 2003 7 17, : : Physical Review Letters. 91, 3

研究成果: Article

Determination of the Fermi surface of MgB2 by the de Haas-van Alphen effect

Carrington, A., Meeson, P. J., Cooper, J. R., Balicas, L., Hussey, N. E., Yelland, E. A., Lee, S., Yamamoto, A., Tajima, S., Kazakov, S. M. & Karpinski, J., 2003 7 18, : : Physical Review Letters. 91, 3

研究成果: Article

59 引用 (Scopus)

Effect of heavy-ion irradiation on the pinning properties of MgB2

Chikumoto, N., Yamamoto, A., Konczykowski, M. & Murakami, M., 2003 5 1, : : Physica C: Superconductivity and its applications. 388-389, p. 167-168 2 p.

研究成果: Conference article

19 引用 (Scopus)

Electronic structure of B 2pσ and pπ states in MgB2, AlB2, and ZrB2 single crystals

Nakamura, J., Nasubida, S. Y., Kabasawa, E., Yamazaki, H., Yamada, N., Kuroki, K., Watanabe, M., Oguchi, T., Lee, S., Yamamoto, A., Tajima, S., Umeda, Y., Minakawa, S., Kimura, N., Aoki, H., Otani, S., Shin, S., Callcott, T. A., Ederer, D. L., Denlinger, J. D. および1人, Perera, R. C. C., 2003 8, : : Physical Review B - Condensed Matter and Materials Physics. 68, 6, p. 645151-645155 5 p., 064515.

研究成果: Article

16 引用 (Scopus)

Experimental study of electron-phonon interaction in MgB2

Tajima, S., Masui, T., Quilty, J., Lee, S., Yamamoto, A. & Yamanaka, A., 2003 5, : : Physica C: Superconductivity and its Applications. 388-389, p. 103-104 2 p.

研究成果: Article

5 引用 (Scopus)

Features of the electron density in magnesium diboride: Reconstruction from X-ray diffraction data and comparison with TB-LMTO and FPLO calculations

Tsirelson, V., Stash, A., Kohout, M., Rosner, H., Mori, H., Sato, S., Lee, S., Yamamoto, A., Tajima, S. & Grin, Y., 2003 10 1, : : Acta Crystallographica Section B: Structural Science. 59, 5, p. 575-583 9 p.

研究成果: Article

25 引用 (Scopus)
2002
7 引用 (Scopus)

De Haas–van Alphen Effect in Single Crystal [Formula presented]

Yelland, E. A., Cooper, J. R., Carrington, A., Hussey, N. E., Meeson, P. J., Lee, S., Yamamoto, A. & Tajima, S., 2002 1 1, : : Physical Review Letters. 88, 21, 1 p.

研究成果: Article

6 引用 (Scopus)

de Haas-van Alphen effect in single crystal MgB2

Yelland, E. A., Cooper, J. R., Carrington, A., Hussey, N. E., Meeson, P. J., Lee, S., Yamamoto, A. & Tajima, S., 2002 5 27, : : Physical Review Letters. 88, 21, p. 2170021-2170024 4 p.

研究成果: Article

107 引用 (Scopus)

Effects of Zn substitution on the superconductivity and pseudogap in HgBa2CuO4+δ with various doping levels

Yamamoto, A., Minami, K., Hu, W. Z., Miyakita, A., Izumi, M. & Tajima, S., 2002 3 1, : : Physical Review B - Condensed Matter and Materials Physics. 65, 10, p. 1045051-1045057 7 p., 104505.

研究成果: Article

34 引用 (Scopus)