Influence of Co and Mn on Electronic and Magnetic properties of Ni2MnGa Heusler alloy
Abstract
The ferromagnetic Heusler alloy Ni2MnGa had been of major interest in the past few years because of its magnetic properties which can be easily tuned. The Ni2MnGa Heusler alloys are intermetallic alloy with L21 structure. Here we report a detailed investigation of the effect of doping of Co and Mn in Ni2MnGa. Magnetic properties and electronic structure of Ni2-xCoxMnGa1-yMny Heusler alloys have been studied by using Green's function-based KKR-CPA method based DFT calculations. We will show the magnetization can be tuned depending on the Co and Mn occumencies. We will also discuss the critical temperature, magnetic interactions and magnetic stability of the systems.
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