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Crystal truncation rods and surface roughness

Robinson, I. K.·1986·Physical Review B

Abstract

We present x-ray-diffraction profiles from a variety of different crystals which are characteristically diffuse in the direction perpendicular to the surface through which the incident and diffracted beams pass, but sharp in both parallel directions. We show that these effects arise from truncation of the crystal lattice at the surface. To explain the precise form of the momentum-transfer dependence of the intensity across the reciprocal-space zone, it is necessary to include the effects of surface roughness on an atomic scale. Such measurements therefore allow highly sensitive roughness determinations to be made. Understanding the origin of these streaks of intensity will have significant impact on the practice of x-ray crystallographic determinations of surface structure.

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Metadata

Authors
Robinson, I. K.
Venue
Physical Review B
Published
1986-03-15
Volume
33
Issue
6
Pages
3830-3836
ISSN
0163-1829 (ISSN-L)
OpenAlex
W2053495521
Cited by
954
References
0
FWCI
20.68
Type
journal article
Language
en
Open access
closed

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CoChat. (2026). Citation check: Crystal truncation rods and surface roughness. https://app.cochat.ai/papers/10.1103/physrevb.33.3830
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Robinson, I. K. (1986). Crystal truncation rods and surface roughness. Physical Review B. https://doi.org/10.1103/physrevb.33.3830

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