1/3 Magnetization Anomaly in Triangular Spin Prism(Condensed matter: electronic structure and electrical, magnetic, and optical properties)
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概要
- 論文の詳細を見る
A high-field magnetization process for the triangular spin prism Na_<17>[Mn_6(H_2O)_2(AsW_9O_<34>)_2-(AsW_6O_<26>)]・38H_2O, which consists of six Mn^<2+> ions (S=5/2), has been investigated. The magnetization at low temperature shows a 1/3 plateau around 5.5 T. It is examined by theoretical calculations using exact diagonalization. The experimental results can be reproduced, but only in a restricted parameter range. It implies that the plateau originates from a delicate balance of exchange couplings. We propose that the plateau is stabilized by some external perturbations, such as thermal/quantum fluctuations.
- 社団法人日本物理学会の論文
- 2008-04-15
著者
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YAMASE Toshihiro
Chemical Resources Laboratory, Tokyo Institute of Technology
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NOJIRI Hiroyuki
Institute for Materials Research, Tohoku University
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OSHIMA Yugo
Institute for Materials Research, Tohoku University
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Nojiri Hiroyuki
Institute For Material Research Tohoku University
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Nojiri Hiroyuki
Institute For Materials Research Tohoku University:crest Japan Science And Technology Agency
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FUKAYA Keisuke
Chemical Resources Laboratory, Tokyo Institute of Technology
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Oshima Yugo
Institute For Materials Research Tohoku University:crest Japan Science And Technology Agency
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Yamase Toshihiro
Chemical Resources Laboratory Tokyo Institute Of Technology
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Fukaya Keisuke
Chemical Resources Laboratory Tokyo Institute Of Technology:crest Japan Science And Technology Agenc
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Fukaya Keisuke
Chemical Resources Laboratory Tokyo Institute Of Technology
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