Room temperature ferromagnetic multilayer thin film based on indium oxide and iron oxide for transparent spintronic applications

被引：34
作者：
Gupta, R. K. [1 ]
Ghosh, K. [1 ]
Kahol, P. K. [1 ]
机构：
[1] SW Missouri State Univ, Dept Phys Astron & Mat Sci, Springfield, MO 65897 USA
来源：
MATERIALS LETTERS | 2010年 / 64卷 / 18期
基金：
美国国家科学基金会;
关键词：
Multilayer; Iron oxide; Indium oxide; Exchange bias; Ferromagnetic; EXCHANGE-BIAS; MAGNETORESISTANCE; NANOPARTICLES;
D O I：
10.1016/j.matlet.2010.06.026
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Pulsed laser deposition technique is used for fabrication of multilayer thin film of indium oxide (In(2)O(3)) and iron oxide (Fe(3)O(4)). X-ray diffraction study shows that In(2)O(3) film is highly oriented along (222) direction. The optical band gap of the multilayer is observed to be 3.65 eV. The film shows n-type behavior with resistivity, carrier concentration, and mobility of 5.59 x 10(-4) Omega.cm, 2.33 x 10(20) cm(-3), and 48 cm(2) v(-1) s(-1) Magnetic measurement shows that the film is ferromagnetic at room temperature. Hysteresis measurements at 5 K after field cooling show a shift and broadening of the hysteresis loop, which is due to exchange bias coupling. (C) 2010 Elsevier B.V. All rights reserved.
引用
收藏
页码：2022 / 2024
页数：3
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