Instruments and methods of investigation

Study of micropores in single crystals by in-line phase contrast imaging with synchrotron radiation

 a,  b
a Ioffe Institute, ul. Polytekhnicheskaya 26, St. Petersburg, 194021, Russian Federation
b National Research Centre ‘Kurchatov Institute’, pl. akad. Kurchatova 1, Moscow, 123182, Russian Federation

Some single crystals that are of importance for engineering contain micropores of various shapes, including micropipes, empty cylinders whose section sizes vary from fractions of micrometer to several micrometers. We describe properties of such objects in a silicon carbide single crystal and a method of observing and exploring those objects, namely, in-line phase contrast imaging with synchrotron radiation. We also review the history of development and current status of this method.

Keywords: single crystals, silicon carbide, micropores, micropipes, phase contrast, synchrotron radiation
PACS: 42.25.Fx, 42.25.Kb, 61.72.−y, 61.72.Ff, 61.72.Lk (all)
DOI: 10.3367/UFNe.2018.06.038371
Citation: Argunova T S, Kohn V G "Study of micropores in single crystals by in-line phase contrast imaging with synchrotron radiation" Phys. Usp. 62 602–616 (2019)
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Received: 16th, April 2018, revised: 15th, June 2018, 27th, June 2018

Оригинал: Аргунова Т С, Кон В Г «Исследование микропор в монокристаллах методом фазово-контрастного изображения на просвет в синхротронном излучении» УФН 189 643–658 (2019); DOI: 10.3367/UFNr.2018.06.038371

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