Topographical Studies of Ferro-Electric domains in Glycine Potassium Sulphate (GPS) Crystals

Patil, I. J.; Jagtap, P. P.; Chaudhari, J. B.; Patil, R. S.
September 2011
Archives of Physics Research;2011, Vol. 2 Issue 3, p186
Academic Journal
Grown solution of glycine potassium sulphate (GPS) crystals were subjected for topographical studies. Cleavage face of ferroelectric glycine potassium sulphate has been chemically and thermally etched. Rows of equally spaced pits have been observed. It is noted that the geometry of line do not change but they are different with different intensity. Faint line has perfect crystallographic orientation are the Ferro-electric domain wall. Domain wall do not penetrate through the body of the crystals. There is no co-ordination between domain and dislocation interaction. Geometry does not Geometry do not change beyond transition temperature support domain dislocation interaction.


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