Application of infrared digital holography for characterization of inhomogeneities and voluminous defects of single crystals on the example of ZnGeP2 V. V. Dyomin, A. I. Gribenyukov, S. N. Podzyvalov [et al.]
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ArticleContent type: Текст Media type: электронный Subject(s): цифровая голография | неоднородности | объемные дефекты | монокристаллыGenre/Form: статьи в журналах Online resources: Click here to access online
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Applied sciences Vol. 10, № 2. P. 442 (1-10)Abstract: In this work, the method of IR digital holography intended for detection of volumetric
defects in ZnGeP2 single crystals has been tested. The holographic method is verified by a comparison
of the results obtained with the data obtained by other methods. The spatial resolution of the
experimental setup is 15–20 m. The volumetric defects of the ZnGeP2 crystal structure (in samples
with thickness up to 50 mm) such as growth striations, dislocation chain, and inclusions of the second
phase (Zn3P2) shaped as needles up to 100 m long and 10 m wide have been visualized by the
method of IR digital holography.
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In this work, the method of IR digital holography intended for detection of volumetric
defects in ZnGeP2 single crystals has been tested. The holographic method is verified by a comparison
of the results obtained with the data obtained by other methods. The spatial resolution of the
experimental setup is 15–20 m. The volumetric defects of the ZnGeP2 crystal structure (in samples
with thickness up to 50 mm) such as growth striations, dislocation chain, and inclusions of the second
phase (Zn3P2) shaped as needles up to 100 m long and 10 m wide have been visualized by the
method of IR digital holography.
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