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Scanning electron acoustic microscopy observations of twins and grain boundaries in III‐V materials

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1989

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American Institute of Physics
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Polycrystalline GaP and InP have been observed by scanning electron acoustic microscopy. While grain boundaries show a weak contrast, twinned regions are clearly revealed. Results suggest that the contrast observed is related to signal generation by a piezoelectric‐coupling mechanism

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© American Institute of Physics. This work has been supported by the Volkswagen Foundation and by the Comisión Intermiisterial de Ciencia y Tecnología (Project No. PB86-0151).

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