Magnetic Propertles of the Solid Solutlons between KMnF_3, KCoF_3 and KNiF_3
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概要
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In order to obtain informations on superexchange interaction, the magnetic susceptibility of KNiF_3 and the solid solutions between KMnF_5, KCoF_3 and KNiF_3 has been measured in the temperature range between 80°K and 850°K. The values of exchange integral |J/k| between the two adjacent magnetic ions are derived by use of the molecular field approximation and by use of the Danielian-Stevens(D-S) procedure as follows: from T_N from θ(defined temperature range) by D-S method Mn-F-Mn 2.5°4.51°(300-600°K) 4.45°Fe-F-Fe 4.7°Mn-F-Co 4.9°Mn-F-Ni 6.9°11.9°(above 450°K) Co-F-Co 7.6° Ni-F-Ni 34.4°53.2°(650-800°K) 52.9° T_N: Neel temperature, θ: paramagnetic Curie temperature.Fromθall of the superexchange interactions are supposed to be antiferromagnetic.
- 社団法人日本物理学会の論文
- 1963-08-05
著者
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HASHIMOTO T.
Department of Applied Physics, Fukui University
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Hashimoto Takasu
Department Of Applied Physics Faculty Of Science Tokyo Institute Of Technology
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Hashimoto Takasu
Department Of Physics Faculty Of Science Kyusyu University
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