Phase transformation under direct laser writing in a YAG single crystal

A.G. Okhrimchuk, A.S. Lipatiev, E.V. Zharikov, G. Orlova, V. Mezentsev, P.G. Kazansky

Research output: Contribution to journalArticlepeer-review


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.

Original languageEnglish
Pages (from-to)3408-3421
Number of pages14
JournalOptical Materials Express
Issue number9
Early online date29 Aug 2017
Publication statusPublished - 1 Sept 2017

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