Study of micropores in single crystals by in-line phase contrast imaging with synchrotron radiation
V.G. Kohnb aIoffe Institute, ul. Polytekhnicheskaya 26, St. Petersburg, 194021, Russian Federation bNational 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 URL: https://ufn.ru/en/articles/2019/6/d/ 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)