The Temperature Effect and Surface State Resonance in Medium Energy Electron Diffraction by Crystals
The Temperature Effect and Surface State Resonance in Medium Energy Electron Diffraction by Crystals
复制标题
晶体中能电子衍射的温度效应和表面态共振
DOI：
10.1143/jpsj.40.226
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发表时间：
1976
影响因子：
1.7
通讯作者：
S. Miyake
中科院分区：
文献类型：
--
作者：
T. Kawamura;Yasuhiro Ohkawa;S. Miyake
根据中等能量电子的多束流动力学理论，讨论了表面态共振条件下的镜面布拉格反射强度及其与温度的关系。采用八波近似，与Wada等人的实验研究结果吻合较好。对于具有1∼1.5keV电子的(001)晶面。指出布拉格反射强度的温度依赖性一般受多束效应的影响，并在表面态共振的传导下表现出反常行为。
Intensities of the specular Bragg reflection under the condition of surface state resonance and their temperature dependence were dealt with on the basis of the many beam dynamical theory for electrons having medium energy. An eight wave approximation was used, and good agreements were obtained with the results of experimental studies performed by Wada et al . for MgO (001) faces with 1∼1.5 keV electron. It is pointed out that the temperature dependence of the intensity of a Bragg reflection is generally affected by the many beam effect, and shows an anomalous behavior under the conduction of surface state resonance.