Electrical and magnetic properties of γ-Fe2O3 epitaxial films

被引：15
|
作者：
Hasegawa, Manabu
Yanagihara, H. [1 ]
Toyoda, Yuta
Kita, Eiji
Ranno, L.
机构：
[1] Univ Tsukuba, Inst Appl Phys, Tsukuba, Ibaraki 3058573, Japan
[2] UJF, CNRS, Lab Louis Neel, F-38042 Grenoble, France
来源：
JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS | 2007年 / 310卷 / 02期
关键词：
maghemite; epitaxial films; magnetic anisotropy; variable range hopping;
D O I：
10.1016/j.jmmm.2006.10.749
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
We have investigated electrical and magnetic properties of gamma-Fe2O3 (001) epitaxial films. Resistivity of the film was similar to 10(2) Omega cm at room temperature. The temperature dependent resistivity seemed to follow the three-dimensional variable-range-hopping model. Moreover, ferromagnetic resonance experiment revealed that magnetic anisotropy of cubic and uniaxial terms were -1.3 x 10(4) and 2.7 x 10(5) erg/cm(3), respectively. This result is qualitatively consistent with our Mossbauer experiment and magnetization measurements. (c) 2006 Elsevier B.V. All rights reserved.
引用
收藏
页码：2283 / 2285
页数：3
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