Capsule-like voids in SiC single crystal: Phase contrast imaging and computer simulations

Capsule-like voids in SiC single crystal: Phase contrast imaging and computer simulations

The results of observation of capsule-like voids in silicon carbide (6H-SiC) single crystal by means of a phase contrast imaging technique with synchrotron radiation at the Pohang Light Source as well as computer simulations of such images are presented. A pink beam and a monochromated beam were use...

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Main Authors: V. G. Kohn, T. S. Argunova, J. H. Je
Format: Article
Language:English
Published: AIP Publishing LLC 2014-09-01
Series:AIP Advances
Online Access:http://dx.doi.org/10.1063/1.4896512
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spelling doaj-eba384cee7c04130a4ea32f9f43a0c502020-11-25T02:44:55ZengAIP Publishing LLCAIP Advances2158-32262014-09-0149097134097134-710.1063/1.4896512030409ADVCapsule-like voids in SiC single crystal: Phase contrast imaging and computer simulationsV. G. Kohn0T. S. Argunova1J. H. Je2National Research Center “Kurchatov Institute”, 123182, Moscow, RussiaIoffe Physical-Technical Institute, RAS, 194021 St. Petersburg, RussiaX-ray Imaging Center, Department of Materials Science and Engineering, Pohang University of Science and Technology, San 31 Hyoja-dong, Namku, 790-784 Pohang, Republic of KoreaThe results of observation of capsule-like voids in silicon carbide (6H-SiC) single crystal by means of a phase contrast imaging technique with synchrotron radiation at the Pohang Light Source as well as computer simulations of such images are presented. A pink beam and a monochromated beam were used. The latter gives more pronounced images but they still are smoothed due to a finite detector resolution and the spatial coherence of the beam. Sizes and a structure of far field images are different from these of the objects. The computer simulations allow us to reproduce a shape and a size of the capsule-like void.http://dx.doi.org/10.1063/1.4896512
collection DOAJ
language English
format Article
sources DOAJ
author V. G. Kohn
T. S. Argunova
J. H. Je
spellingShingle V. G. Kohn
T. S. Argunova
J. H. Je
Capsule-like voids in SiC single crystal: Phase contrast imaging and computer simulations
AIP Advances
author_facet V. G. Kohn
T. S. Argunova
J. H. Je
author_sort V. G. Kohn
title Capsule-like voids in SiC single crystal: Phase contrast imaging and computer simulations
title_short Capsule-like voids in SiC single crystal: Phase contrast imaging and computer simulations
title_full Capsule-like voids in SiC single crystal: Phase contrast imaging and computer simulations
title_fullStr Capsule-like voids in SiC single crystal: Phase contrast imaging and computer simulations
title_full_unstemmed Capsule-like voids in SiC single crystal: Phase contrast imaging and computer simulations
title_sort capsule-like voids in sic single crystal: phase contrast imaging and computer simulations
publisher AIP Publishing LLC
series AIP Advances
issn 2158-3226
publishDate 2014-09-01
description The results of observation of capsule-like voids in silicon carbide (6H-SiC) single crystal by means of a phase contrast imaging technique with synchrotron radiation at the Pohang Light Source as well as computer simulations of such images are presented. A pink beam and a monochromated beam were used. The latter gives more pronounced images but they still are smoothed due to a finite detector resolution and the spatial coherence of the beam. Sizes and a structure of far field images are different from these of the objects. The computer simulations allow us to reproduce a shape and a size of the capsule-like void.
url http://dx.doi.org/10.1063/1.4896512
work_keys_str_mv AT vgkohn capsulelikevoidsinsicsinglecrystalphasecontrastimagingandcomputersimulations
AT tsargunova capsulelikevoidsinsicsinglecrystalphasecontrastimagingandcomputersimulations
AT jhje capsulelikevoidsinsicsinglecrystalphasecontrastimagingandcomputersimulations
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