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Here we study the critical behavior, magnetocaloric properties, and universal curve of the MnCo1−xSnxGe system with x=0.02,0.04,0.06and0.08. To model the magnetic transition and magnetocaloric effect, Kouvel–Fisher (KF) method, Landau theory, and phenomenological universal curve are performed. By using the KF method, the critical exponents β, γ and δ are close to the theoretical prediction from the...
Magnetic phase transitions and the magnetocaloric effect of the polycrystalline Mn1-xSnxCoGe samples with x=0.02, 0.04, and 0.06 have been investigated. The transformation temperature, room temperature magnetocaloric effect and magnetic orders of these alloys could be effectively tuned by Sn substitution. A detailed study on the critical behavior was performed by various techniques, such as modified...
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