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Synchrotron white beam topography studies of SrLaGaO4crystals

Authors
Journal
Journal of Alloys and Compounds
0925-8388
Publisher
Elsevier
Publication Date
Volume
401
Identifiers
DOI: 10.1016/j.jallcom.2005.04.166
Keywords
  • Crystal Lattice Defects
  • Strontium Lanthanum Gallate
  • X-Ray Diffraction
  • Synchrotron Radiation
Disciplines
  • Mathematics

Abstract

Abstract Strontium lantanum gallate SrLaGaO 4 tetragonal single crystal was investigated by white beam synchrotron radiation topography. Projection and section topographs were taken in back reflection and transmission geometry. The central “core” crystal region was practically free of defects; only one extended “oval” defect with strong boundary contrast was observed. The strong white–black contrasts connected with elongated volume defects and cracks were observed in surrounding the “core” region.

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