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Effect of carbon content on magnetostructural properties of Mn(3)GaC

Show simple item record Dias, E.T. Priolkar, K.R. Nigam, A.K. 2015-06-04T04:37:04Z 2015-06-04T04:37:04Z 2014
dc.identifier.citation Journal of Magnetism and Magnetic Materials. 363; 2014; 140-144. en_US
dc.description.abstract Effect of carbon content on magnetostructural transformation in antiperovskites of the type Mn(3)GaC(x) (x=0.8, 1.0 and 1.05) has been investigated. It is found that increase in carbon content changes the ground state from ferromagnetic metallic (x=0.8) to antiferromagnetic semiconducting (x=1.05) type. This has been attributed to localization of itinerant Mn 3d electrons due to increased Mn3d - C2p hybridization. Such a hybridization strengthens Mn-C-Mn antiferromagnetic interactions over Mn-Mn ferromagnetic interactions. Further, magnetic field can be used as a tool to modulate the relative strengths of these ferromagnetic and antiferromagnetic interactions thereby affecting the nature and strength of magnetocaloric properties. en_US
dc.publisher Elsevier en_US
dc.subject Physics en_US
dc.title Effect of carbon content on magnetostructural properties of Mn(3)GaC en_US
dc.type Journal article en_US
dc.identifier.impf y

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