Structural, electronic structure and magnetic studies of SmFe1-xNixO3 (x <= 0.5)

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2010-09-15

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Elsevier B.V.

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We present the structural, electronic structure and magnetic studies of Ni doped SmFeO3. The X-ray diffraction (XRD) studies confirm the single phase nature of the samples having orthorhombic Pbnm structure and the unit-cell volume is decreasing with the increase of Ni concentration. X-ray absorption spectroscopy (XAS) studies on O K. Fe L-3.2, Ni L-3.2 and Sm M-5.4 edges of SmFe1-xNixO3 (x <= 0.5) samples along with the reference compounds revealed the homo-valence state of Fe and Ni in these materials. From magnetization studies it has been observed the materials exhibit ferromagnetic and anti-ferromagnetic sub-lattices, which are strongly dependent on the thermo-magnetic state of the system. (C) 2010 Elsevier B.V. All rights reserved.

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Inglês

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Materials Science and Engineering B-advanced Functional Solid-state Materials. Amsterdam: Elsevier B.V., v. 172, n. 3, p. 242-247, 2010.

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