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Submicroscopic Structure Determination by Long Wavelength X‐Ray Diffraction

Henke, Burton L. and DuMond, Jesse W. M. (1955) Submicroscopic Structure Determination by Long Wavelength X‐Ray Diffraction. Journal of Applied Physics, 26 (7). pp. 903-917. ISSN 0021-8979. doi:10.1063/1.1722117.

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This paper reviews the theory of low angle x‐ray diffraction as applied in the long wavelength region for the determination of particle sizes and shapes and other structural features in the submicroscopic size range and emphasizes the advantages to be gained by employing the longer x‐ray wavelengths (8 to 25 A). It also is intended to serve as an introduction to a description of an entirely new instrumental technique developed for this long wavelength range utilizing a diffraction apparatus consisting of a special gas‐filled x‐ray tube and a total reflection camera in which the primary radiation is simultaneously monochromatized and made to converge to a point focus. The sample for study is placed in the converging part of the primary beam and the diffraction patterns are formed around the point focus on a photographic film.

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Additional Information:© 1955 American Institute of Physics. Received May 3, 1954; revised version received February 14, 1955. This research was supported by funds from the Office of Naval Research and the U. S. Atomic Energy Commission. This work was the subject of the thesis of Burton L. Henke for his doctorate and is being extended as part of a soft x-ray research program at Pomona College under contract with the Office of Scientific Research (U. S. Air Force). We would like to acknowledge the invaluable assistance of Mr. Herbert Henrikson and Mr. Raymond Burt in the design and construction of the total reflection camera, and that of Mr. Theodore Garner in the later modification of this instrument.
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Air Force Office of Scientific Research (AFOSR)UNSPECIFIED
Atomic Energy CommissionUNSPECIFIED
Issue or Number:7
Record Number:CaltechAUTHORS:20140621-121757299
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Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:46415
Deposited By: George Porter
Deposited On:23 Jun 2014 15:53
Last Modified:10 Nov 2021 17:25

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