Surface Micromorphology of Different Crystallographic Faces of L-arginine Hydrochloride Monohydrate Etched in Organic Solvents

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概要

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• The surface micromorphology of {100}, {010}, {001} and {110} faces of L-arginine hydrochloride monohydrate (LAHCI) crystals etched in various organic solvents and their mixtures with water has been studied by optical microscopy. Selective behaviour of the etchants for revealing screw and edge dislocations, etch channels, etch grooves and terraced etch pits has been demonstrated. It is observed that addition of impurity like FeCl_3, to the etchants facilitates the formation of dislocation etch pits and is interpreted in terms of Cabrera's thermodynamic theory of dislocation etch pit formation. Crystallinity of the as grown crystals is determined from etch pits count in unit area of different faces and the average dislocation density is found to be 〜10^4 cm^<-2>.

• 社団法人応用物理学会の論文
• 1999-02-15

著者

• KAR Tanusree

  Department of Materials Science, Indian Association for the Cultivation of Science

• Kar Tanusree

  Department Of Materials Science Indian Association For The Cultivation Of Science

• MUKERJI Sudeshna

  Department of Materials Science, Indian Association for the Cultivation of Science

• Mukerji Sudeshna

  Department Of Materials Science Indian Association For The Cultivation Of Science

関連論文

• Etching Studies of Gel-Grown Crystals: (100) Faces of Potassium Dihydrogen Orthophosphate
• Surface Micromorphology of Different Crystallographic Faces of L-arginine Hydrochloride Monohydrate Etched in Organic Solvents
• Infrared Spectroscopy and Thermal Studies of As-Grown L-Arginine Phosphate Monohydrate Crystals

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