Etch pit study of different crystallographic faces of L-arginine hydrobromide monohydrate (LAHBr) in some organic acids

被引:56
作者
Mukerji, S [1 ]
Kar, T [1 ]
机构
[1] Indian Assoc Cultivat Sci, Dept Mat Sci, Calcutta 700032, W Bengal, India
关键词
L-arginine hydrobromide monohydrate; nonlinear crystals; solution growth; chemical etching;
D O I
10.1016/S0022-0248(99)00137-2
中图分类号
O7 [晶体学];
学科分类号
0702 ; 070205 ; 0703 ; 080501 ;
摘要
Etching characteristics of (1 0 0), (0 1 0), (0 0 1), and (1 1 0) surfaces of an important nonlinear crystal 'L-arginine hydrobromide monohydrate' etched in organic acids have been investigated. Ht has been found that FeCl3 added to propionic acid reduces the tangential etch rate of (1 0 0) and (0 0 1) surfaces. Fast etchants could produce etch pits only on 'F' faces, i.e. (1 0 0), (0 0 1), and (1 1 0) but they have no effect on 'S' face, i.e. (0 1 0). (C) 1999 Elsevier Science B.V. All rights reserved.
引用
收藏
页码:341 / 347
页数:7
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