Authors:
K. Sueki Tokyo Metropolitan University Graduate School of Science Hachioji, Tokyo 192-0397 Japan

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K. Akiyama Tokyo Metropolitan University Graduate School of Science Hachioji, Tokyo 192-0397 Japan

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Y. Zhao Chinese Academy of Science Institute of High Energy Physics Beijing 100039 P.R. China

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I. Ito Tokyo Metropolitan University Graduate School of Science Hachioji, Tokyo 192-0397 Japan

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Y. Ohkubo Kyoto University Research Reactor Institute Kumatori, Osaka 590-0494 Japan

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K. Kikuchi Tokyo Metropolitan University Graduate School of Science Hachioji, Tokyo 192-0397 Japan

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M. Katada Tokyo Metropolitan University Graduate School of Science Minami-ohsawa, Hchioji, Tokyo 192-0397 Japan

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H. Nakahara Tokyo Metropolitan University Graduate School of Science Hachioji, Tokyo 192-0397 Japan

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Abstract  

We made systematic studies of lanthanoid metallofullerenes on the following three properties using the radiochemical method: (1) the relative production yields of metallofullerene species, (2) variation of the HPLC retention time among M(III)@C82 species, and (3) the effects of the reactor irradiation on the survival yields of each metallofullerene species. The production yields of M@C82 relative to La@C82 were found to decrease as the atomic number of M became larger and as the number of atom ratio, M/C, in the carbon rod became larger. On the other hand, the production yields of M1M2@C82, relative to that of LuM@C82 were found to increase for the larger atomic number. The retention time for the M(III)@C82 species in the Buckyprep column was found to become slightly longer for the larger atomic number but it becomes abruptly larger for Gd, and Tb by about 5%. The overall effects of the reactor irradiation on the survival yields (or retention yields) of M@C82 species were found to be (19.7±2.1)%.

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Journal of Radionalytical and Nuclear Chemistry
Language English
Size A4
Year of
Foundation
1968
Volumes
per Year
1
Issues
per Year
12
Founder Akadémiai Kiadó
Founder's
Address
H-1117 Budapest, Hungary 1516 Budapest, PO Box 245.
Publisher Akadémiai Kiadó
Springer Nature Switzerland AG
Publisher's
Address
H-1117 Budapest, Hungary 1516 Budapest, PO Box 245.
CH-6330 Cham, Switzerland Gewerbestrasse 11.
Responsible
Publisher
Chief Executive Officer, Akadémiai Kiadó
ISSN 0236-5731 (Print)
ISSN 1588-2780 (Online)