Abstract
Monte Carlo simulation has been applied to study the thermal and magnetic properties of the inverse spinel-like structure, copper fluoride as an example, of spin 1/2 - spin 1 Ising interactions. Our calculations of the magnetization as a function of temperature shows compensation for low values of coupling strength between spin-1 type atoms (J1) in the same layer, low absolute value of coupling strength between the layers of different spin type (J3), and large values of coupling strength between spin-1/2 (J2). The transition from ferrimagnetic to paramagnetic phase is observed at the critical temperature Tc. In addition, Tc increases slowly at different values of the exchange interaction. Regarding the anisotropy field D on spin 1 state, our results show a threshold value of −0.3 for the compensation to appear. Finally, our results are applicable to the Cu2F5 compound which has d8 and d9 electron configurations.
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