Magnetic Properties of Organic Stable Radicals. I. : 2,2,2,6-Tetramethyl-4-Hydroxypiperidine-1-Oxyl
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概要
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The static magnetic susceptibility and the ESR absorption spectra of 2,2,6,6-tetramethy1-4-hydroxypiperidine-1-oxyl in the temperature range from 1.8°K to 300°K have been measured. This powder sample shows a broad maximum in the susceptibility at the temperature 6.5°K. It has been shown that the temperature dependence of the susceptibility is fitted better by the one-dimensional Heisenberg model than the linear Ising model or a singlet-triplet model. The Curie-Weiss constant and the exchange interaction energy along the chain are estimated to be -6.0°K and -5.0°K, respectively. The linewidth of the ESR absorption spectra increases rapidly as decreasing temperature below 6.5°K.
- 社団法人日本物理学会の論文
- 1968-12-05
著者
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Ando Eiji
Department Of Chemistry Faculty Of Science Kyoto University
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YAMAUCHI Jun
Department of Chemistry, Graduate School of Science, Kyoto University
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Fujito Teruaki
Department Of Chemistry Faculty Of Science Kyoto University
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NISHIGUCHI Hiroaki
Department of Chemistry, Faculty of Science, Kyoto University
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Deguchi Yasuo
Department Of Chemistry Faculty Of Science Kyoto University
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Nishiguchi Hiroaki
Department Of Chemistry Faculty Of Science Kyoto University
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Yamauchi Jun
Department Of Chemistry College Of Liberal Arts Kyoto University
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Yamauchi Jun
Department Of Chemistry Faculty Of Science Kyoto University
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