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Electron-irradiation enhanced dislocation glide in II-VI semiconductors

机译:II-VI半导体中电子辐照增强的位错滑动

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Transmission electron microscope in situ deformation experiments have been performed on ZnS and AnSe single crystals to get quantitative information on the effect of electronic excitation on dislocation movement. The dislocation mobility is strongly enhanced by electron irradiation as a result of the lowering of the lattice friction. The observed reduction in activation energy is discussed in terms of the radiation-enhanced dislocation glide mechanism, due to nonradiative recombination of injected carriers at electronic levels associated with dislocations. direct c 1999 Elsevier Science B.V. All rights reserved.
机译:对ZnS和AnSe单晶进行了透射电子显微镜原位变形实验,以获取有关电子激发对位错运动影响的定量信息。由于晶格摩擦的降低,电子辐照极大地提高了位错迁移率。由于注入的载流子在与位错相关的电子能级上进行非辐射复合,因此根据辐射增强的位错滑移机理讨论了观察到的活化能降低。直接c 1999 Elsevier Science B.V.保留所有权利。

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