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X-Ray Spectrometric Properties of Potassium Acid Phthalate Crystals

Published online by Cambridge University Press:  06 March 2019

R. J. Liefeld ,
S. Hanzgly ,
T. B. Kirby  and
D. Mott
R. J. Liefeld
Affiliation:
New Mexico State University Las Cruces, New Mexico 88001
S. Hanzgly
Affiliation:
New Mexico State University Las Cruces, New Mexico 88001
T. B. Kirby
Affiliation:
New Mexico State University Las Cruces, New Mexico 88001
D. Mott
Affiliation:
New Mexico State University Las Cruces, New Mexico 88001
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Abstract

The results of two crystal measurements of potassium acid phthalate crystal first order parallel position rocking curves, percent reflections, and reflection coefficients are presented. They cover the 4-24 Ǻ wavelength range and are typical of results with cleaved crystals illuminated over areas of one-half to two square inches. The energy resolution available with these crystals is shown to be nearly constant at about two-thirds of an electron volt over most of the energy range studied and the coefficient of reflection is also nearly constant at about 1 x 10-4 radians. A pronounced line-like reflectivity structure at 23.3 Ǻ is exhibited which is probably associated with oxygen atom K-shell absorption.

Type
Research Article
Information
Advances in X-Ray Analysis , Volume 13: Eighteenth Annual Conference on Applications of X-ray Analysis, August 6-8, 1969 , 1969 , pp. 373 - 381
Copyright
Copyright © International Centre for Diffraction Data 1969

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References

1. Bearden, A. J. and Huffman, F. N.,“Precision Measurement of the Cleavage Plane Grating Spacing of Potassium Acid Phthalate,” Rev. Sci. Instr. 34: 1233–1234, (1963).Google Scholar
2. Liefeld, R. J., Chopra, D., Gray, W., and Mott, D., “X-Ray Spectrometric Properties of Potassium Acid Phthalate Crystals,” Am.Phys. Soc. 8: 313, (1963).Google Scholar
3. Liefeld, R. J., “The K-Shell Photon Absorption Spectrum of Gaseous Neon,” Appl. Phys. Letters 7: 267–277, (1965).Google Scholar
4. See for example, Compton, A. H. and Allison, S. K., “X-Rays in Theory and Experiment” Second Edition, D. Van Nostrand Company Inc., New York, 1935, pp 394–399 and 718-728.Google Scholar