The Curie temperatures and asymptotic Curie temperatures are calculated for mixed magnetic systems by a semi-classical Bethe-Peierls-Weiss cluster approach. The systems are typified by (1-x) CdCr2Se4 · xCdCr2Se4 in which the substitution changes the anions but not the magnetic cations. It is found that next-nearest-neighbor interactions are needed to match the data but that, with them, excellent agreement can be obtained for a reasonably unique choice of the exchange integrals. © 1969.
H. A. Brown, "Mixed Magnetic Systems: A Model With Application To (1-x)CdCr2S4 · XCdCr2Se4," Journal of Physics and Chemistry of Solids, vol. 30, no. 1, pp. 203 - 209, Elsevier, Jan 1969.
The definitive version is available at https://doi.org/10.1016/0022-3697(69)90354-0
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01 Jan 1969