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Arisaka, Makoto; Kimura, Takaumi; Nagaishi, Ryuji; Yoshida, Zenko
Journal of Alloys and Compounds, 408-412, p.1307 - 1311, 2006/02
Times Cited Count：6 Percentile：42.64(Chemistry, Physical)no abstracts in English
Okamoto, Yoshihiro; Madden, P. A.*
Journal of Physics and Chemistry of Solids, 66(1), p.448 - 451, 2005/01
The local structure of molten LaCl
has been characterized by the octahedral coordination (LaCl
)
. It is based on X-ray diffraction (XRD) and Raman spectroscopy results. On the other hand, a different structural image was proposed in the neutron diffraction (ND) and the molecular dynamics (MD) studies. These ND and MD works concluded that a coordination behavior changes with cation size in molten rare earth trichlorides. Thus, they reported the coordination number of Cl
ions around La
ion is 8.2 in the ND work and 7.9 in the MD work. In the present work, XRD measurements of molten LaCl were performed to investigate the local structure. The coordination number of the 1st La-Cl pair in molten LaCl was 7.1 from analysis of the correlation function G(r). The structural change by increasing anion size was examined by the XRD measurement of molten LaBr. The XRD data were nicely reproduced by the MD simulations with polarizable ionic model.
Otaka, Osamu*; Arima, Hiroshi*; Fukui, Hiroyuki*; Utsumi, Wataru; Katayama, Yoshinori; Yoshiasa, Akira*
Physical Review Letters, 92(15), p.155506_1 - 155506_4, 2004/04
Times Cited Count：51 Percentile：84.47(Physics, Multidisciplinary)Local structures around germanium in liquid germanate have been investigated by means of in situ X-ray absorption measurements up to 9 GPa at 1273 K. Liquid germanate consisting of tetrahedrally coordinated germanium contracts with increasing pressure without significant changes in the local structure up to 2.5 GPa and then shows an abrupt fourfold-to-sixfold coordination change around 3 GPa. The coordination change is completed below 4 GPa where upon a high-density liquid consisting of octahedrally coordinated germanium becomes stable. The GeO
octahedron in the high-density liquid is more compressible than that in solids.
ssbauer spectroscopic studies of 
Np in aqueous solutionsNakada, Masami; Masaki, Nobuyuki; Yamashita, Toshiyuki
Journal of Nuclear Science and Technology, 39(Suppl.3), p.426 - 428, 2002/11
no abstracts in English
Yaita, Tsuyoshi; Narita, Hirokazu*; Suzuki, Shinichi; Tachimori, Shoichi; Motohashi, Haruhiko; Shiwaku, Hideaki
Journal of Radioanalytical and Nuclear Chemistry, 239(2), p.371 - 375, 1999/00
Times Cited Count：95 Percentile：98.36(Chemistry, Analytical)no abstracts in English
Np Moessbauer spectra and coordination numbers of Np atoms in neptunyl(V) compoundsSaeki, Masakatsu; Nakada, Masami; Nakamoto, Tadahiro*; Yamashita, Toshiyuki; ; Krot, N. N.*
Journal of Radioanalytical and Nuclear Chemistry, 239(2), p.221 - 225, 1999/00
Times Cited Count：7 Percentile：49.64(Chemistry, Analytical)no abstracts in English
Kimura, Takaumi; Kato, Yoshiharu
Journal of Alloys and Compounds, 271-273, p.867 - 871, 1998/00
Times Cited Count：67 Percentile：92.53(Chemistry, Physical)no abstracts in English
Saeki, Masakatsu; Nakada, Masami; Nakamoto, Tadahiro*; ; Yamashita, Toshiyuki
Journal of Alloys and Compounds, 271-273, p.176 - 179, 1998/00
Times Cited Count：4 Percentile：39.18(Chemistry, Physical)no abstracts in English
Np Moessbauer spectroscopic study on pentavalent neptunium glycolate complexNakamoto, Tadahiro*; Nakada, Masami; ; Saeki, Masakatsu; Yamashita, Toshiyuki
Journal of Radioanalytical and Nuclear Chemistry, 227(1-2), p.137 - 141, 1998/00
Times Cited Count：2 Percentile：38.16(Chemistry, Analytical)no abstracts in English
Saeki, Masakatsu; Nakada, Masami; Yamashita, Toshiyuki; Nakamoto, Tadahiro*; Krot, N. N.*
Radiochimica Acta, 80(2), p.89 - 94, 1998/00
no abstracts in English
Tachimori, Shoichi; Yaita, Tsuyoshi; Suzuki, Shinichi
Proc. of Workshop on Long-Lived Radionuclide Chemistry in Nuclear Waste Treatment, p.179 - 188, 1997/00
no abstracts in English
Urakawa, Satoru*; Igawa, Naoki; Umesaki, Norimasa*; Igarashi, Kazuo*; Shimomura, Osamu*; Ono, Hideo
High Pressure Research, 14(4-6), p.375 - 382, 1996/12
Times Cited Count：6 Percentile：53.11(Physics, Multidisciplinary)no abstracts in English
*; Kimura, Takaumi; ; *
Anal. Sci. Technol., 8(4), p.499 - 503, 1995/00
no abstracts in English
