Griffiths phase and Spontaneous magnetization in polycrystalline Co50V34Ga16 alloy
2021
Abstract In this work, we synthesized the Co50V34Ga16 alloy by directional solidification technique. Interestingly, the Griffiths phase was found in Co-V-Ga alloy for the first time. Using the DSC curve and the inverse DC susceptibility (χ−1) in the high temperature region, the spontaneous magnetization revealed the existence of Griffiths phase in the high temperature region. And then, according to Arrott plot, the phase transition was determined around the TC. Modified form of the Bean-Rodbell model, considering a shape memory alloy material with compressibility, spin and spin density, one defines the parameter e, which is 0.26, (e
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