Etching Morphology and Symmetry of TeO2 Crystal

Journal of Inorganic Materials

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Etching Morphology and Symmetry of TeO₂ Crystal

FANG Ya-Ke; SANG Wen-Bin; MIN Jia-Hua

Department of Electronic Information Materials; Shanghai University; Shanghai 201800; China

Received:2003-09-22 Revised:2003-11-05 Published:2004-11-20 Online:2004-11-20

Abstract

Abstract: The etching morphologies of TeO₂crystal on (110) and (001) faces were observed by means of chemical etching and analyzed with the theory of symmetry group. The morphologies of etch pits are very special compared with the tetragonal system crystal with 422 point group. The morphologies of etch pits by theoretical analysis are in conformity with the experiment. It shows that the patterns of etch pits consist of {110} planes. It is clear that the habitual plane of TeO₂ crystal is {110} plane.

Key words: TeO₂ crystal, etching, dislocation, symmetry

CLC Number:

O782

FANG Ya-Ke,SANG Wen-Bin,MIN Jia-Hua. Etching Morphology and Symmetry of TeO₂ Crystal[J]. Journal of Inorganic Materials.

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Etching Morphology and Symmetry of TeO₂ Crystal

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