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Enomoto, Shuichi*; Kawamura, Hiroshi; Shirakawa, Yoshiyuki*; Nakanishi, Tomoko*; Nakamura, Kayoko*; Yano, Tsuneo*; Ido, Tatsuo*; Shibata, Tokushi
Isotope News, (657), p.2 - 11, 2009/01
The view of the future and the necessity of the system construction such as supply systems were shown about production of the medical diagnostics Mo and the silicon semiconductor on JMTR.
Yoshida, Yoshiyuki*; Ikeda, Shinichi*; Matsuhata, Hirofumi*; Shirakawa, Naoki*; Lee, C.-H.*; Katano, Susumu
Physical Review B, 72(5), p.054412_1 - 054412_7, 2005/08
Times Cited Count:119 Percentile:94.77(Materials Science, Multidisciplinary)The crystal structure of the double-layered CaRuO has been studied by convergent beam electron diffraction and powder neutron diffraction. The temperature dependence of the diffraction pattern reveals that all the lattice constants jump at the first-order metal-nonmetal transition at 48 K without a change of the space group symmetry of Bb21m. In the neutron diffraction experiment, an additional magnetic reflection emerges below the Neel temperature, 56K. A possible model for this antiferromagnetic ordering is proposed, in which model magnetic moments align ferromagnetically within the double layer and antiferromagnetically between the double layers. This model reasonably explains the characteristic field dependence of the magnetoresistance observed at around 6 T.
Akashi, Masatoshi; Nishina, Masahiro; Kato, Masato; Tanaka, Tatsuya*; Shimosaka, Atsuko*; Shirakawa, Yoshiyuki*; Hidaka, Jusuke*
no journal, ,
Hidaka, Jusuke*; Makino, Tadashi*; Akashi, Masatoshi*; Shimosaka, Atsuko*; Shirakawa, Yoshiyuki*; Suzuki, Masahiro; Ishii, Katsunori; Segawa, Tomoomi; Kato, Masato
no journal, ,
The large-scale particle method supporting the optimized design of die filling of MOX granule in the first process of the formation of pellet's microstructure influencing MOX fuel pellets characteristics has been developed. The optimized granule characteristics and die filling conditions have been cleared using the simulations. The die filling flow behavior obtained by simulations extremely corresponded with that observed from the high speed camera in the various operation conditions, and the reliable die filling simulations of the full-scale examinations have been developed. This simulation can be applicable the MOX pellet fabrication process by varying the WO granule characteristic parameter to MOX.