Magnetic Studies in Sputtered Ni/Ti Multilayers

被引：0
|
作者：
H. Salhi
K. Chafai
H. Lassri
M. Abid
E. K. Hlil
机构：
[1] Université Hassan II,Laboratoire de Physique des Matériaux, Micro
[2] Université Hassan II,électronique, Automatique et Thermique (LPMMAT), Faculté des Sciences Ain Chock
[3] Université Hassan II,Laboratoire de Mécanique, Productique et Génie industriel (LMPG). Ecole supérieure de technologie
[4] CNRS—Université J. Fourier,Laboratoire de Physique Fondamentale et Appliquée (LPFA). Faculté des Sciences Ain Chock
来源：
Journal of Superconductivity and Novel Magnetism | 2011年 / 24卷
关键词：
Ni/Ti multilayers; Magnetization; Magnetic anisotropy; Spin wave excitations; Exchange interactions;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
Magnetic properties of Ni/Ti multilayers, prepared by the DC triode sputtering method, have been studied by magnetic measurements. Both metal layers are crystalline with a (111) fiber structure when they are thicker than 20 Å. The magnetization decreases with a decrease in Ni layer thickness tNi and the analysis of the results at 5 K indicates the presence of a dead Ni layer about 13 Å thick. The effective anisotropy Keff of Ni/Ti multilayers is obtained using a torque magnetometer. Spin-wave theory has been used to explain the temperature dependence of the magnetization. Approximate values for bulk exchange interaction Jb, surface exchange interaction JS and interlayer coupling strength JI for various Ni layer thicknesses have been obtained.
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页码：1735 / 1738
页数：3
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