Magnetic Susceptibility of a Spin 1/2 Heisenberg Antiferromagnetic Chain : [3,3'-Dimethy1-2,2'-Thiazolinocyanine]-TCNQ
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概要
- 論文の詳細を見る
Magnetic susceptibility of an organic ton-radical salt, [3,3'-dimethyl-2,2'-thiazolinocyaninelTCNQ, is measured in the ternperattrre range of 1.4 -3OOK. Above IOK, it is qtrantitativelyexplained in terms of a S : l / 2 Heisenberg antiferrornagnetic chain with J/ A5 = -32.5 K basedon the Bonner-Fisher ctrrve. Below 10 K, however, the measured susceptibility seems to showthe characteristic slope reported by Eggert et at, down to the ordering temperature T. = 1.49 K.Below T. the heat capacity of this salt displays the temperattmre dependence expected for agapless spin-wave excitation, which rules out the spin-Peierls transition in this systern.
- 社団法人日本物理学会の論文
- 1996-07-15
著者
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TAKEDA Kazuyoshi
Department of Applied Quantum Physics, Kyushu University
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MITO Masaki
Department of Electronics, Faculty of Engineering, Kyushu Institute of Technology
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Takagi Seishi
Department Of Electrical Engineering Faculty Of Engineering Osaka University:department Of Electrica
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Deguchi Hiroyuki
Department Of Applied Science Faculty Of Engineering Kyushu University
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Motokawa Mitsuhiro
Crest Japan Science And Technology:institute For Material Research Tohoku University
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TAKAHASH Minoru
Institute for Solid State Physics,University of Tokyo
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Takahash Minoru
Institute For Solid State Physics University Of Tokyo
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Takeda Kazuyoshi
Department Of Applied Quantum Physics Faculty Of Engineering Kyushu University:institute Of Environm
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