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Growth and selective etching studies on NaBrO 3 crystals
Author(s) -
Rao K. Kishan,
Sirdeshmukh D. B.
Publication year - 1983
Publication title -
crystal research and technology
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.377
H-Index - 64
eISSN - 1521-4079
pISSN - 0232-1300
DOI - 10.1002/crat.2170180909
Subject(s) - etching (microfabrication) , indentation hardness , acetic acid , formic acid , aqueous solution , chemistry , dislocation , inorganic chemistry , materials science , crystallography , mineralogy , analytical chemistry (journal) , microstructure , chromatography , organic chemistry , layer (electronics)
Surface studies on (111) faces of sodium bromate crystals grown from aqueous solution show the presence of growth steps. A new etchant consisting of a mixture of 8 parts of glacial acetic acid and 2 parts of formic acid, to which 3 mg/cc of cupric nitrate is added, reveals the dislocation sites on (111) faces of these crystals. The etching action on (111) and ( 111 ) faces is different. Different microhardness values are recorded on (111) and ( 111 ) faces of these crystals. The difference in etching action as well as in microhardness values on ( 111 ) and (111) faces is discussed.
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