Structure and magnetic properties of sputtered FCC Co(111) films grown on a glass substrate

被引：16
|
作者：
Gu, BX [1 ]
Wang, H
机构：
[1] Nanjing Univ, Dept Phys, Nanjing 210008, Peoples R China
[2] Southeastern Univ, Dept Phys, Nanjing 210008, Peoples R China
来源：
JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS | 1998年 / 187卷 / 01期
基金：
中国国家自然科学基金;
关键词：
thin films; structure; magnetic properties;
D O I：
10.1016/S0304-8853(97)01034-2
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
FCC Co(1 1 1) films grown on glass substrate were prepared by sputtering technique. The structure and magnetic properties were studied. X-ray diffraction studies show the Co films have a FCC structure with the (1 1 1) direction perpendicular to the film plane. The vibrating sample magnetometer yields a magnetization of 1230 emu/cm(3) and coercivity of 100 Oe at room temperature. Ferromagnetic resonance measurements were carried out at 9.77 GHz at room temperature. Spin waves were observed. The relation of resonant field H-n with the mode number n obeys the so-called n(2) law. The exchange constant was determined to be A(Co) = 3.0 x 10(-6) erg/cm. (C) 1998 Elsevier Science B.V. All rights reserved.
引用
收藏
页码：47 / 50
页数：4
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