INFLUENCE OF STEPS ON QUANTUM-WELL STATES IN CU/CO(100) MULTILAYERS

被引：16
|
作者：
ORTEGA, JE [1 ]
HIMPSEL, FJ [1 ]
机构：
[1] IBM CORP,DIV RES,THOMAS J WATSON RES CTR,YORKTOWN HTS,NY 10598
来源：
APPLIED PHYSICS LETTERS | 1994年 / 64卷 / 01期
关键词：
D O I：
10.1063/1.110898
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
Interface roughness is known to have a large effect on oscillatory magnetic coupling and giant magnetoresistance in magnetic multilayers, but the origin of this effect is still uncertain. In order to obtain a quantitative measure we have used vicinal Cu/Co(100) interfaces with well-defined step spacing and have determined the amplitude of quantum oscillations in the density of states that are correlated with oscillatory magnetic coupling. For a step spacing of 10 angstrom the oscillation amplitude decreases by a factor of 1.8. This distance correspond to the lateral extent of the quantized states in the film.
引用
收藏
页码：121 / 123
页数：3
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