Author:
LI MING-HUA ,YU GUANG-HUA ,JIANG HONG-WEI ,CAI JIAN-WANG ,ZHU FENG-WU ,
Abstract
The NiFe/FeMn bilayers with different buffer layers (Ta or Ta /Cu) and Ta cover layers were prepared by magnetron sputtering. The results showed that the exchange bias field of NiFe/FeMn films with the Ta buffer was higher than that of the films with the Ta/ Cu buffer .We investigated the crystallographic texture, surface roughness and surface segregation, and demonstrated that the decrease of the exchange coupling field was caused by the Cu surface segregation in NiFe/FeMn films with Ta/ Cu buffer layers.
Publisher
Acta Physica Sinica, Chinese Physical Society and Institute of Physics, Chinese Academy of Sciences
Subject
General Physics and Astronomy
Cited by
16 articles.
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