Journal
JOURNAL OF SYNCHROTRON RADIATION
Volume 13, Issue -, Pages 278-280Publisher
BLACKWELL PUBLISHING
DOI: 10.1107/S0909049506003888
Keywords
quartz; backscattering; large area; low energy; high resolution
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The perfection of two commercial top-grade quartz crystal wafers has been investigated using Bragg reflection at theta(B) = 89.77 degrees of a 2.0 meV bandwidth beam of 9.979 keV X-rays by the (7 (4) over bar(3) over bar4) lattice planes. Topographic images show small defect concentrations (<= 5 cm(-2)). Energy scan widths are below 3 meV over 8 mm x 8 mm areas and 4 meV over the whole wafer (similar to 11 cm(2)). This suggests that quartz can be a useful optical material.
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