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Type: Artigo
Title: Ni 3d – O 2p Hybridization Dependent Magnetic Properties Of Lanio3 Thin Films
Author: Kumar Y.
Singh A.P.
Sharma S.K.
Choudhary R.J.
Thakur P.
Knobel M.
Brookes N.B.
Kumar R.
Abstract: We present here the study on magnetic properties and their relation to the electronic structure for c-axis oriented LaNiO3 films deposited on LaAlO3 single crystals using the rf-magnetron sputtering. Swift heavy ion irradiation induced annealing alters the unusual temperature dependent magnetic behaviour of pristine film to the paramagnetic one. X-ray absorption spectroscopic measurements, performed at O K-edge and Ni L-edge, reveal that Ni[sbnd]O hybridization is increased after the initial irradiation. Charge-transfer multiplet calculations of the Ni L-edge indicate that variation of magnetic behaviour can be related to the Ni[sbnd]O hybridization strength inducing a further variation in Ni spin state. © 2016
Subject: Hybridization
Swift Heavy Ion Irradiation
X-ray Absorption Spectroscopy
Editor: Elsevier B.V.
Rights: fechado
Identifier DOI: 10.1016/j.tsf.2016.11.008
Date Issue: 2016
Appears in Collections:Unicamp - Artigos e Outros Documentos

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