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Sato, Tetsuya; Nagame, Yuichiro*
Nihon Butsuri Gakkai-Shi, 78(2), p.64 - 72, 2023/02
The study of the chemistry of superheavy elements, which are located in the heavy extremes of the periodic table, has made considerable progress over the past 20 years, and new approaches based on various ideas have recently been developed. Research groups in Japan have also made significant contributions to the development of research on superheavy elements. Recently, notable results have been reported for the transactinide elements rutherfordium (element 104), dubnium (element 105), and seaborgium (element 106), and the heavy actinides with atomic numbers exceeding 100. The review will focus on the recent main results of these elements. This review outlines the main recent results and touches on future prospects.
Nagame, Yuichiro
Journal of Nuclear and Radiochemical Sciences, 6(3), p.205 - 210, 2005/12
no abstracts in English
Nagame, Yuichiro
Journal of Nuclear and Radiochemical Sciences, 6(2), p.A21 - A28, 2005/12
no abstracts in English
Nagame, Yuichiro
Radioisotopes, 54(11), p.555 - 567, 2005/11
no abstracts in English
Nagame, Yuichiro; Haba, Hiromitsu*; Tsukada, Kazuaki; Asai, Masato; Toyoshima, Atsushi; Goto, Shinichi*; Akiyama, Kazuhiko; Kaneko, Tetsuya; Sakama, Minoru*; Hirata, Masaru; et al.
Nuclear Physics A, 734, p.124 - 135, 2004/04
Times Cited Count：11 Percentile：56.87(Physics, Nuclear)no abstracts in English
Tsukada, Kazuaki; Nagame, Yuichiro
JAERI-Conf 2003-007, 108 Pages, 2003/06
JAERI-Conf-2003-007.pdf:7.81MB
no abstracts in English
Kaneko, Tetsuya*; Ono, Sawako*; Goto, Shinichi*; Haba, Hiromitsu; Asai, Masato; Tsukada, Kazuaki; Nagame, Yuichiro; Kudo, Hisaaki*
Journal of Radioanalytical and Nuclear Chemistry, 255(2), p.381 - 384, 2003/02
Times Cited Count：0 Percentile：0.01(Chemistry, Analytical)no abstracts in English
Nagame, Yuichiro; Haba, Hiromitsu; Tsukada, Kazuaki; Asai, Masato; Akiyama, Kazuhiko; Hirata, Masaru; Nishinaka, Ichiro; Ichikawa, Shinichi; Nakahara, Hiromichi; Goto, Shinichi*; et al.
Czechoslovak Journal of Physics, 53, p.A299 - A304, 2003/00
Times Cited Count：7 Percentile：46.48(Physics, Multidisciplinary)no abstracts in English
Nagame, Yuichiro; Asai, Masato; Haba, Hiromitsu; Tsukada, Kazuaki; Goto, Shinichi; Sakama, Minoru; Nishinaka, Ichiro; Toyoshima, Atsushi; Akiyama, Kazuhiko; Ichikawa, Shinichi
Journal of Nuclear and Radiochemical Sciences, 3(1), p.129 - 132, 2002/06
no abstracts in English
Haba, Hiromitsu; Tsukada, Kazuaki; Asai, Masato; Nishinaka, Ichiro; Sakama, Minoru*; Goto, Shinichi*; Hirata, Masaru; Ichikawa, Shinichi; Nagame, Yuichiro; Kaneko, Tetsuya*; et al.
Radiochimica Acta, 89(11-12), p.733 - 736, 2002/02
Times Cited Count：15 Percentile：68.91(Chemistry, Inorganic & Nuclear)no abstracts in English
Haba, Hiromitsu
Kagaku To Kogyo, 54(5), P. 590, 2001/00
no abstracts in English
Nagame, Yuichiro; Kudo, Hisaaki*; Shinohara, Atsushi*
Radioisotopes, 49(7), p.363 - 375, 2000/07
no abstracts in English
Nagame, Yuichiro; Haba, Hiromitsu; Ikezoe, Hiroshi
JAERI-Conf 2000-002, p.103 - 0, 2000/03
JAERI-Conf-2000-002.pdf:4.77MB
no abstracts in English
Br
chle, W.*; Eichler, B.*; G
ggeler, H. W.*; Guenther, R.*; Jger, E.*; Jost, D.*; Kratz, J. V.*; Nagame, Yuichiro; Paulus, W.*; Pershina, V.*; et al.
Proceedings of 1st International Conference on the Chemistry and Physics of the Transactinide Elements, 3 Pages, 1999/00
no abstracts in English
Tsukada, Kazuaki
Kagaku To Kogyo, 51(4), P. 615, 1998/00
no abstracts in English
Nagame, Yuichiro
Kagaku To Kyoiku, 44(11), p.712 - 713, 1996/00
no abstracts in English
Shinohara, Nobuo; Usuda, Shigekazu
Nihon Genshiryoku Gakkai-Shi, 37(10), p.907 - 913, 1995/00
Times Cited Count：0 Percentile：0.01(Nuclear Science & Technology)no abstracts in English
Toyoshima, Atsushi; Oe, Kazuhiro*; Asai, Masato; Attallah, M. F.*; Goto, Naoya*; Gupta, N. S.*; Haba, Hiromitsu*; Kaneko, Masashi*; Kaneya, Yusuke; Kasamatsu, Yoshitaka*; et al.
no journal, ,
Due to short half-lives less than 10 s and extremely low production rates, transactinide elements heavier than seaborgium (Sg) are produced on an atom per hour scale. Therefore, a continuous rapid chemistry assembly is required to study aqueous-phase chemistry of these heaviest elements. In the present study, we started developments of a continuous chemistry assembly. Our first attempt was made in on-line experiments with Mo and W, lighter homologs of Sg, to optimize a chemistry assembly consisting of a newly developed membrane degasser as an interface between gas-jet and aqueous phase, a flow electrolytic column apparatus utilized to control oxidation states of Mo and W ions, and the continuous liquid-liquid extraction apparatus of SISAK for separation. In the conference, present status of the developments will be presented.
