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Zeitschrift für Naturforschung A

A Journal of Physical Sciences

Editor-in-Chief: Holthaus, Martin

Editorial Board: Fetecau, Corina / Kiefer, Claus

12 Issues per year


IMPACT FACTOR 2016: 1.432

CiteScore 2017: 1.30

SCImago Journal Rank (SJR) 2017: 0.403
Source Normalized Impact per Paper (SNIP) 2017: 0.632

Online
ISSN
1865-7109
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Volume 27, Issue 3

Issues

On Determining the Sign of Fault Vectors by X-Ray Topography

A.R. Lang
Published Online: 2014-06-02 | DOI: https://doi.org/10.1515/zna-1972-0314

Abstract

Experiments show that the excess or deficiency of diffracted intensity in the image of the first fringe in stacking-fault-type fringe patterns on X-ray projection topographs can give a clear indication of the sign of the fault vector even when μ t is no greater than unity (μ is the normal linear absorption coefficient and t is the crystal thickness) provided that the crystal structure is such as will exhibit fairly strong anomalous transmission (Borrmann effect) in the thick crystal case for the Bragg reflections used. A quite simple diffraction theory suffices to account for the observations. Sign determinations based on this theory agree with those expected at Brazil twin boundaries parallel to major rhombohedral planes in quartz.

About the article

Received: 1971-12-13

Published Online: 2014-06-02

Published in Print: 1972-03-01


Citation Information: Zeitschrift für Naturforschung A, Volume 27, Issue 3, Pages 461–468, ISSN (Online) 1865-7109, ISSN (Print) 0932-0784, DOI: https://doi.org/10.1515/zna-1972-0314.

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© 1946 – 2014: Verlag der Zeitschrift für Naturforschung. This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License. BY-NC-ND 3.0

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