High thermal stability associated with supermodulus effect found in Ag Pd multilayer films

被引：1
|
作者：
Mizubayashi, H [1 ]
Iwasaki, S
Yamaguchi, T
Yoshihara, Y
Soe, W
Yamamoto, R
机构：
[1] Univ Tsukuba, Inst Mat Sci, Tsukuba, Ibaraki 3058573, Japan
[2] Fujikin Ltd, Tsukuba, Ibaraki 3050841, Japan
[3] Univ Tokyo, Inst Ind Sci, Tokyo 1060032, Japan
来源：
JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS | 1999年 / 198-99卷
关键词：
Ag Pd multilayer; supermodulus effect; interdiffusion;
D O I：
10.1016/S0304-8853(98)01219-0
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The Young's modulus E-f and interdiffusion in Ag/Pd metallic multilayers (MMLs) were measured. The supermodulus effect (SME) beyond 100% is found for the modulation wavelength lambda between 1.5 and 5 nm, where E-f shows local maximums at around lambda = 1.9, 2.8 and 3.7 nm or oscillations with increasing lambda. In the high-SME MMLs, the activation enthalpy for interdiffusion is found to be anomalously high, suggesting that the interatomic potential is increased as a whole due to a certain modulation in the electron system. (C) 1999 Elsevier Science B.V. All rights reserved.
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页码：605 / 607
页数：3
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