Growth of Sr2CrReO6 epitaxial thin films by pulsed laser deposition

被引：15
|
作者：
Orna, J. [1 ,2 ]
Morellon, L. [1 ,2 ]
Algarabel, P. A. [2 ]
Pardo, J. A. [3 ]
Magen, C. [4 ]
Varela, M. [4 ]
Pennycook, S. J. [4 ]
De Teresa, J. M. [2 ]
Ibarra, M. R. [1 ,2 ]
机构：
[1] Univ Zaragoza, Inst Nanociencia Aragon, Dept Fis Mat Condensada, E-50009 Zaragoza, Spain
[2] Univ Zaragoza, CSIC, Inst Ciencia Mat Aragon, Dept Fis Mat Condensada, E-50009 Zaragoza, Spain
[3] Univ Zaragoza, Inst Nanociencia Aragon, Dept Ciencia & Tecnol Mat & Fluidos, Zaragoza 50018, Spain
[4] Oak Ridge Natl Lab, Oak Ridge, TN 37831 USA
来源：
JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS | 2010年 / 322卷 / 9-12期
关键词：
Epitaxial thin film; Laser ablation; Spintronics; HIGH-CURIE-TEMPERATURE; DOUBLE-PEROVSKITE; TRANSPORT-PROPERTIES;
D O I：
10.1016/j.jmmm.2009.04.029
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
We report the growth, structural, magnetic, and electrical transport properties of epitaxial Sr2CrReO6 thin films. We have succeeded in depositing films with a high crystallinity and a relatively large cationic order in a narrow window of growth parameters. The epitaxy relationship is Sr2CrReO6 (SCRO) (001) [100]parallel to SrTiO3 (STO) (001) [110] as determined by high-resolution X-ray diffraction and scanning transmission electron microscopy (STEM). Typical values of saturation magnetization of M-S (300K) = 1 mu(B)/f. u. and rho (300K) = 2.8 m Omega cm have been obtained in good agreement with previous published results in sputtered epitaxial thin films. We estimate that the antisite defects concentration in our thin films is of the order of 14%, and the measured Curie temperature is T-C=481(2) K. We believe these materials be of interest as electrodes in spintronic devices. (C) 2009 Elsevier B.V. All rights reserved.
引用
收藏
页码：1217 / 1220
页数：4
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