New antiferromagnetic semiconductor CuCr1.5Sb0.5S4статья
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Дата последнего поиска статьи во внешних источниках: 9 июня 2015 г.
Аннотация:The magnetic, electric and crystallographic properties of the new compound with the spinel structure CuCr1.5Sb0.5S4 were studied. It appears that this compound, being a non-degenerate p-type semiconductor, has magnetic properties typical of antiferromagnets: a linear magnetic field dependence of the magnetization and a maximum of the magnetic susceptibility at temperature TN = 28 K. Also, the lattice parameter a, the anion parameter u and the temperature factors are presented. The distances between cations (both in the tetrahedral and octahedral positions) and anions show that between anions and cations in tetrahedral positions, the covalent bond dominates and between anions and cations in octahedral positions, the ionic bond dominates.