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Zn Doping Effect on Magnetic Properties of ZnxCd1-xCr2S4 Systems by High-Temperature Series Expansions |
| M. Hamedoun1;R. Masrour2;K. Bouslykhane1;A. Hourmatallah1,2;N. Benzakour1;A. Filali1 |
| 1Laboratoire de Physique du Solide, Universite Sidi Mohammed Ben Abdellah, Faculte des sciences Dhar Mahraz, BP 1796, Fes, Morocco2Equipe de Physique du Solide, Ecole Normale Superieure, BP 5206, Bensouda, Fes, Morocco |
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M. Hamedoun, R. Masrour, K. Bouslykhane et al 2007 Chin. Phys. Lett. 24 2077-2080 |
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Abstract The effect of Zn doping on the magnetic properties of CdCr2S4 systems is studied by mean field theory and high-temperature series expansion (HTSE). The nearest neighbouring and the next-neighbouring super-exchange interactions J1(x) and J2(x) are evaluated for the spinel system ZnxCd1-xCr2S4 in the range 0≤x≤1. The intra-planar and the inter-planar interactions are deduced. The HTSE combined with the Pade approximant method (PA) is applied to the spinel system ZnxCd1-xCr2S4. The magnetic phase diagram, i.e. TC versus dilution x, is obtained. The critical exponents associated with the magnetic susceptibility γ and the correlation length ν are deduced. The obtained theoretical results are in agreement with the experimental data obtained by magnetic measurements.
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| Keywords:
75.10.Hk
75.10.Nr
75.25.+z
75.30.Et
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Received: 01 March 2007
Published: 25 June 2007
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