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Type: Artigo de periódico
Title: An instrument for combining x-ray multiple diffraction and x-ray topographic imaging for examining crystal microcrystallography and perfection
Author: Lai, X
Ma, CY
Roberts, KJ
Cardoso, LP
dos Santos, AO
Bogg, D
Miller, MC
Abstract: Diffraction imaging using x-ray topography (XRT) and x-ray multiple diffraction (XRMD) provide valuable tools for examining the growth defects in crystals and the distributions from ideal lattice symmetry (microcrystallography). The topographic x-ray multiple diffraction microprobe (TMDM) combines the complementary aspects of both techniques enabling XRT and XRMD studies within the same instrument providing a useful resource for the structural characterization of materials that are not very stable in vacuum and electron beam environments. The design of the TMDM instrument is described together with data taken on GaAs (001) and potassium dihydrogen phosphate (001).
Subject: crystal defects
crystal morphology
crystal symmetry
gallium arsenide
III-V semiconductors
potassium compounds
X-ray diffraction
X-ray diffractometers
X-ray topography
Country: EUA
Editor: Amer Inst Physics
Rights: aberto
Identifier DOI: 10.1063/1.3103571
Date Issue: 2009
Appears in Collections:Unicamp - Artigos e Outros Documentos

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