Artículos de revistas
Irradiation Induced Modification In Transport Properties Of Lanio 3 Thin Films: An X-ray Absorption Study
Registro en:
Applied Physics Letters. , v. 101, n. 11, p. - , 2012.
36951
10.1063/1.4752005
2-s2.0-84866328972
Autor
Kumar Y.
Pratap Singh A.
Sharma S.K.
Choudhary R.J.
Thakur P.
Knobel M.
Brookes N.B.
Kumar R.
Institución
Resumen
Highly c-axis oriented LaNiO 3 thin films are grown on LaAlO 3 (001) single crystal substrates using rf-magnetron sputtering. Swift heavy ion irradiation induced variations in structural and electrical transport properties of deposited films are studied. Pristine film shows unusual insulating character while the irradiated film exhibits metallic behaviour. X-ray diffraction study indicates that irradiation improves the crystalline character of films while retaining the oriented single phase growth. Electronic structure measurements performed using x-ray absorption spectroscopy at O K, La M 5,4, and Ni L 3,2-edges reveal that Ni-O hybridization-controlled localization of charge carriers is responsible for the observed transport behaviour. © 2012 American Institute of Physics. 101 11
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