Three-crystal spectrometer for 150-keV synchrotron radiation

Hastings, J. B.; Siddons, D. P.; Berman, L. E.; Schneider, J. R.
July 1989
Review of Scientific Instruments;Jul1989, Vol. 60 Issue 7, p2398
Academic Journal
A triple-axis spectrometer for high-energy ( ... 150 keV) synchrotron radiation has been constructed and characterized. The reciprocal space resolution function of this instrument has been measured using perfect silicon crystals as monochromator, sample, and analyzer. It was found to have dimensions of 1.0 × 10 [sup 5] Å[sup -1] and 2.3 × 10 [sup -4] Å[sup -1] in the directions perpendicular and parallel to the momentum transfer Q, respectively, comparable to those achievable using standard 8-keV triple-axis instruments. The large penetration depths of high-energy x-ray photons, combined with the high instrumental resolution, opens new possibilities in the study of truly bulk condensed matter systems.


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