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Type: | Artigo |
Title: | Ni 3d - O 2p Hybridization Dependent Magnetic Properties Of Lanio3 Thin Films 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-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-O hybridization strength inducing a further variation in Ni spin state. (C) 2016 Published by Elsevier B.V. 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-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-O hybridization strength inducing a further variation in Ni spin state. |
Subject: | Hybridization X-ray Absorption Spectroscopy Spin-state Magnetization Swift Heavy Ion Irradiation Hibridização, Absorção de raios X próximo a estrutura da borda, Magnetização |
Country: | Holanda |
Editor: | Elsevier |
Citation: | Thin Solid Films. Elsevier Science Sa, v. 619, p. 144 - 147, 2016. |
Rights: | fechado |
Identifier DOI: | 10.1016/j.tsf.2016.11.008 |
Address: | https://www.sciencedirect.com/science/article/pii/S0040609016306939 |
Date Issue: | 2016 |
Appears in Collections: | IFGW - Artigos e Outros Documentos |
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