Structural, magnetic and dielectric properties of rare earth based double perovskites RE2NiMnO6(RE¼La, pr, Sm, Tb)

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Title:	Structural, magnetic and dielectric properties of rare earth based double perovskites RE2NiMnO6(RE¼La, pr, Sm, Tb)
Authors:	Neenu Lekshmi, P Vasundhara, M Manoj Raama Varma Suresh, K G Valant, M
Keywords:	Double perovskites, Ferromagnetic Dielectric-relaxor, Spintronics
Issue Date:	5-May-2014
Publisher:	Elsevier
Citation:	Physica B 448:285-289
Abstract:	The structural, temperature variation of magnetic and dielectric properties of RE2NiMnO6(RE¼La, Pr, Sm, and Tb) double perovskites have been investigated. RE2NiMnO6 have crystallized into pure monoclinic bulk phase with space group P21/n, shows ferromagnetism and relaxor dielectric behavior in intermediate temperatures. Further, magnetic and dielectric properties show a correlation with the radius of RE ions and thereby with the average Ni–O–Mn bond angle in the monoclinic double perovskite structure. These investigations suggest the occurrence of a spin-lattice coupling in RE2NiMnO6which makes them attractive materials in thefield of spintronics
URI:	http://hdl.handle.net/123456789/2340
Appears in Collections:	2014

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