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Al
CKoyama, Takehide*; Ozaki, Yuzuru*; Ueda, Koichi*; Mito, Takeshi*; Kohara, Takao*; Waki, Takeshi*; Tabata, Yoshikazu*; Michioka, Chishiro*; Yoshimura, Kazuyoshi*; Suzuki, Michito; et al.
Journal of the Physical Society of Japan, 81(Suppl.B), p.SB008_1 - SB008_5, 2012/12
Times Cited Count：1 Percentile：10.12(Physics, Multidisciplinary)The normal state properties of a noncentrosymmetric superconductor MoAlC are studied by means of the nuclear magnetic resonance (NMR) experiment. The change of NMR line shape and the peak of the nuclear spin-echo decay rate at 
130 K indicate that the MoAlC exhibits the phase transition prior to the emergence of superconductivity. The reduction in the conduction electron density is inferred from the decrease in the nuclear spin-lattice relaxation rate. The nature of the newly found phase transition is discussed by considering the result of the first principle calculations, indicating a good nesting property of the Fermi surfaces.
AlCKoyama, Takehide*; Ozaki, Yuzuru*; Ueda, Koichi*; Mito, Takeshi*; Kohara, Takao*; Waki, Tsuyoshi*; Tabata, Yoshikazu*; Michioka, Chishiro*; Yoshimura, Kazuyoshi*; Suzuki, Michito; et al.
Physical Review B, 84(21), p.212501_1 - 212501_4, 2011/12
Times Cited Count：15 Percentile：51.03(Materials Science, Multidisciplinary)The results of 
Al nuclear magnetic resonance and specific-heat measurements of the noncentrosymmetric superconductor MoAlC are reported. The phase transition around 130 K is inferred from a distinct change in the NMR spectrum, a clear peak in the spin-echo decay rate, and an anomaly in the specific heat. Possibility of charge-density wave ordering around 130 K is discussed by calculating the Fermi surfaces in the normal states and considering the partial quenching of the Fermi surfaces with the decrease in 1/
below the superconducting transition temperature.
Kitamura, Koichi; Kitabata, Takuya; Matsushima, Akira
Purazuma, Kaku Yugo Gakkai-Shi, 78(12), p.1313 - 1318, 2002/12
None
Takemiya, Hiroshi*; Imamura, Toshiyuki; Koide, Hiroshi; Higuchi, Kenji; Tsujita, Yuichi; Yamagishi, Nobuhiro*; Matsuda, Katsuyuki*; Ueno, Koichi*; Hasegawa, Yukihiro*; Kimura, Toshiya; et al.
Proceedings of 4th International Conference on Supercomputing in Nuclear Applications (SNA 2000) (CD-ROM), 16 Pages, 2000/09
no abstracts in English
Hirota, Koichi; ; E.Anwar*; Namba, Hideki; Tokunaga, Okihiro; Tabata, Yoneho*
Kankyo Kagakkai-Shi, 6(2), p.143 - 150, 1993/00
no abstracts in English
Tabata, Koichi; Sato, Junya; Saito, Toshimitsu*; Sunahara, Jun*; Taniguchi, Takumi; Osugi, Takeshi
no journal, ,
no abstracts in English
Taniguchi, Takumi; Namiki, Masahiro*; Tabata, Koichi; Kakuda, Ayaka; Sone, Tomoyuki; Osugi, Takeshi; Kuroki, Ryoichiro
no journal, ,
no abstracts in English
Kakuda, Ayaka; Namiki, Masahiro*; Tabata, Koichi; Osawa, Norihisa*; Kaneda, Yoshihisa*; Kikuchi, Michio*; Yamamoto, Takeshi*; Sone, Tomoyuki; Osugi, Takeshi; Kuroki, Ryoichiro
no journal, ,
no abstracts in English
Tabata, Koichi; Namiki, Masahiro*; Osawa, Norihisa*; Sakamoto, Ryo*; Kaneda, Yoshihisa*; Kakuda, Ayaka; Sone, Tomoyuki; Osugi, Takeshi; Kuroki, Ryoichiro
no journal, ,
no abstracts in English
Hiraki, Yoshihisa; Tabata, Koichi; Taniguchi, Takumi; Kuroki, Ryoichiro; Osugi, Takeshi
no journal, ,
no abstracts in English
Hanaki, Shotaro; Morita, Sakura; Maruyama, Shumpei; Hojo, Yuki; Nagahama, Aoi; Kudo, Isamu; Sato, Junya; Tabata, Koichi; Soejima, Goro; Nakamura, Yasuyuki
no journal, ,
Waste packages are needed to satisfy the waste acceptance criteria (WAC) set by the landfill site. To produce sound waste packages that meet such criteria as uniaxial compressive strength and porosity, it is necessary to establish the range of parameters such as mixing time, rotation speed of mixing blade, and amount of cement. This presentation reports on the Beaker scale cold test conducted to determine the cement-to-waste ratio (C/W) which affects the number of waste packages produced and uniaxial compressive strength.
Tabata, Koichi; Kuramochi, Ryo*; Taniguchi, Takumi; Okada, Takashi; Yoshida, Yukihiko; Osugi, Takeshi
no journal, ,
no abstracts in English
Sato, Junya; Tabata, Koichi; Takahashi, Yuta; Sunahara, Jun*; Saito, Toshimitsu*; Yoshida, Yukihiko; Osugi, Takeshi
no journal, ,
no abstracts in English
