Spin-Wave Resonance in Ge : Mn Thin Films with Percolation Magnetic Ordering

被引：0
作者：
A. I. Dmitriev
M. S. Dmitrieva
G. G. Ziborov
机构：
[1] Russian Academy of Sciences,Institute of Problems of Chemical Physics
[2] Moscow State University,undefined
来源：
Physics of the Solid State | 2018年 / 60卷
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摘要：
The mechanism of excitation and propagation of spin waves in Ge: Mn thin films with different nominal manganese concentrations (2, 4, and 8 at % Mn) with percolation magnetic ordering is explored. Concentration dependencies of Curie temperature TC(n) and spin wave rigidity D(n) are determined, which enables to find the index of correlation distance. An exotic percolation magnetic state of samples of Ge: Mn thin films is confirmed by rectifying experimental dependences D(n) and D/TC(n) in coordinates accepted in the percolation theory.
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页码：921 / 924
页数：3
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