Spin dynamics in a site diluted finite spin cluster system probed by positive muons |
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| Authors: | Kenji Kojima Kusuo Nishiyama Kanetada Nagamine Hironobu Ikeda |
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| Affiliation: | (1) Meson Science Laboratory, University of Tokyo (UT-MSL), 113 Hongo, Tokyo, Japan;(2) National Laboratory for High Energy Physics (KEK), 350 Tsukuba, Ibaraki, Japan |
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| Abstract: | The site diluted finite spin cluster system Rb2COxMg1–xF4 (x=0.15, 0.4, 0.5) has been investigated by the  +SR technique. Muon spin relaxation was observed in these diluted magnetic systems in a weak longitudinal field of 100 G. By reducing temperature below 100 K, the experimental data show features of slowing down phenomena of the Co electron moments in the finite spin clusters. |
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