Influence of (In, Ni, Al, Ga)-ions Substitution on the Magnetic Properties of ZnCr2Se4

Authors: Tadeusz Mydlarz1; Izabela Jendrzejewska2; Ewa Malicka2

Source: Czechoslovak Journal of Physics, Volume 54, Supplement 1, December 2004 , pp. 51-54(4)

Publisher: Springer

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Abstract:

Magnetic properties of Zn1-xMxCr2Se4 (M=In, Ni, Al, Ga) in high magnetic field up to 14 T and at low temperatures are presented. ZnCr2Se4 belongs to the group of normal spinels with Zn2+ located at tetrahedral (A) sites and Cr3+ occupying (B) sites of the cubic close-packed array of selenium anions. Magnetic order in the compounds is connected with superexchange interactions, which are positive between the nearest neighbors and negative between the next-nearest neighbors. Substitution of one of the cations of spinel with another 3d metal causes essential changes in the cation distribution and physical properties.

Keywords: antiferromagnetic materials; magnetization; magnetic moments

Document Type: Research article

DOI: 10.1007/s10582-004-0029-z

Affiliations: 1: International Laboratory of High Magnetic Fields and Low Temperatures, 95 Gajowicka str., 53-421 Wroclaw, Poland., 2: Silesian University, Institute of Chemistry, 00-006 Katowice, Poland.,

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