Phase transformation under direct laser writing in a YAG single crystal

Okhrimchuk, A.G., Lipatiev, A.S., Zharikov, E.V., Orlova, G., Mezentsev, V. and Kazansky, P.G. (2017). Phase transformation under direct laser writing in a YAG single crystal. Optical Materials Express, 7 (9), pp. 3408-3421.

Abstract

The transformation from Y3Al5O12 to perovskite YAlO3 crystal phase was observed during ultrafast laser writing in the bulk of a Y3Al5O12 single crystal. The control of the phase transformation was demonstrated by tuning parameters of laser writing. The phenomenon is interpreted in terms of structural changes in the overheated garnet melt under laser heating followed by rapid solidification, and at least 1-ms dwell time of overheated melt is required to start spontaneous crystallization. The appearance of the perovskite phase was confirmed by Raman spectroscopy, quantitative phase and polarization microscopies.

Publication DOI: https://doi.org/10.1364/OME.7.003408
Divisions: Engineering & Applied Sciences > Electrical, electronic & power engineering
Engineering & Applied Sciences > Institute of Photonics
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Uncontrolled Keywords: Electronic, Optical and Magnetic Materials
Full Text Link: http://www.scopus.com/inward/record.url?scp=85028548126&partnerID=8YFLogxK
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Published Date: 2017-09-01
Authors: Okhrimchuk, A.G.
Lipatiev, A.S.
Zharikov, E.V.
Orlova, G.
Mezentsev, V. ( 0000-0002-8415-1767)
Kazansky, P.G.

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