Local measurement of weak stresses on the surface of HgCdTe/CdTe/ZnTe/GaAs structures using the null method
M. F. Stupak,
S. A. Dvoretsky,
N. N. Mikhailov
et al.
Abstract:A study of residual mechanical stresses in the surface layer of the HgCdTe/CdTe/ZnTe/GaAs structure based on the registration of the second harmonic signal characteristics of reflected IR laser radiation from the surface of the studied sample passed through a nonlinear crystal was carried out. It is shown that such a sensitive method makes it possible to obtain information about the anisotropy of the polarization of the reflected radiation, caused by the residual deformation. Observations of the fine structure… Show more
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