Suppression of Bragg reflection glitches of a single-crystal diamond anvil cell by a polycapillary half-lens in high-pressure XAFS spectroscopy

Chen, D.L.; Dong, J.C.; Zhang, X.L.; Quan, P.Y.; Liang, Y.X.; Hu, T.D.; Liu, J.; Wu, X.; Zhang, Q.; Li, Y.D.

doi:10.1107/S0909049513000265

Journal of Synchrotron Radiation Journal of
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Figure 3
(a) Normalized Ge K-edge XAFS spectra of polycrystalline Ge powder collected at 2.0 GPa at four different DAC orientations A, B, C, D. The spectrum obtained at ambient pressure is also plotted for comparison. (b) EXAFS k²χ(k) functions. The XAFS spectra B and C and the EXAFS k²χ(k) functions show serious glitches owing to Bragg diffraction by single-crystal diamond anvils.

JOURNAL OF
SYNCHROTRON
RADIATION

ISSN: 1600-5775

Volume 20| Part 2| January 2013| Pages 243-248

doi:10.1107/S0909049513000265

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