Crystal Research and Technology
Cryst. Res. Technol. 35 (2000) 1215 - Abstract -

W. J. Liu, C. Ferrari, M. Zha, L. Zanotti, S. S. Jiang*

CNR-MASPEC Institute, Parma, Italy
*National Laboratory of Solid State Microstructures, Nanjing University, Nanjing, China

X-ray Topographic Characterization of L-Arginine Phosphate Monohydrate Crystals

L-arginine phosphate monohydrate (LAP) organic crystals were investigated by X-ray Lang topography. Selected topographs of nearly perfect seeded grown and self-nucleated crystals show that typical defects inside are grown-in and post-growth dislocations, growth sector boundaries, and microbes, while their features are presented and discussed. No structural defects associated to the presence of step bunching on the (100) surface of the crystal have been observed by X-ray topography.

Keywords: LAP crystal, X-ray topography, grown-in defects


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