INTERFERENCE EFFECTS IN X-RAY DOUBLE-CRYSTAL ROCKING CURVES OF GEXSI1-X/SI SUPERLATTICES

被引:0
作者
LI, JH
MAI, ZH
CUI, SF
机构
[1] Institute of Physics, Chinese Academy of Sciences, Beijing 100080
关键词
D O I
10.1063/1.357794
中图分类号
O59 [应用物理学];
学科分类号
摘要
Interference effects in the x-ray double-crystal rocking curves of GexSi1-x/Si strained-layer superlattices have been simulated based on the x-ray dynamical scattering theory. We found that the A1BA2 type of structure due to unstable growth conditions causes a series of strong oscillation fringes beside the superlattice reflection satellite peaks. The positions and intensities of these oscillation fringes with respect to the superlattice satellite peaks are strongly correlated to the number of periods in the subsuperlattice layer B and the relative mean lattice mismatch between A and B with respect to the substrate.
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页码:1320 / 1322
页数:3
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