Abstract

The magnetic properties of spinel ZnxLi1−xV2O4 systems are studied by using the probability law, and high-temperature series expansions in the range 0≤x≤1. The nearest-neighboring J1(x) and the next-neighboring super-exchange J2(x) interactions are obtained. The intra-planar and the inter-planar exchange interaction are obtained. The corresponding classical exchange energy for the magnetic structure is obtained. The high-temperature series expansion combined with the Pade approximants method has been applied to the spinel ZnxLi1−xV2O4 systems to determine the magnetic phase diagram. The critical exponents associated with the magnetic susceptibility γ and with the correlation lengths ν are deduced.

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