Dislocation etch pit formation on non-metallic crystals

Sangwal, K.

doi:10.1007/bf00543732

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1982

2022

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Cited by 8 publications

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Effect of Impurities on the Etching of Sodium Chloride Crystals

Koziejowska

Sangwal

1986

Cryst. Res. Technol.

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The results of a study of the effect of HgCl,, ZnCl,, PbCl, and CaCl, on the surface micromorphology and kinetics of etching of (100) planes of NaCl crystals in methanol and ethanol are described and discussed. It was found that addition of an impurity to the solvent leads to the formation of contrasting dislocation etch pits, and that the overall dissolution rate in a solvent decreases with an increase in additive concentration. In the case of HgC1, impurity added to methanol terraced etch pits are observed, but their terracing behaviour diminishes with the increasing impurity concentration.

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