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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
Appears in Collections:2014

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