Spiraling spin structure in an exchange-coupled antiferromagnetic layer

Spiraling spin structure in an exchange-coupled antiferromagnetic layer
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DOI:
10.1103/physrevlett.85.2597
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发表时间:
2000-09
影响因子:
8.6
通讯作者:
Yang;Chien
Yang;Chien
中科院分区:
物理与天体物理1区
文献类型:
--
作者:
Yang;Chien

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使用三层坡莫合金/FeMn/Co与不同厚度t(AF)的反铁磁FeMn,我们已经观察到的证据,一个螺旋自旋结构内FeMn。对于t(AF)<90 A,螺旋的转角直线θ变化为直线θ =(1.76度/A)t(AF)。
Using trilayers of permalloy/FeMn/Co with various thicknesses t(AF) of the antiferromagnetic FeMn, we have observed evidence of a spiraling spin structure within FeMn. For t(AF)<90 A, the turn angle straight theta of the spiral varies as straight theta = (1.76 degrees /A)t(AF).