Phase transformation under direct laser writing in a YAG single crystal

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: College of Engineering & Physical Sciences > Aston Institute of Photonics Technology (AIPT)
Additional Information: Beginning in September 2017, users are allowed to read, download, copy, distribute, print, search, or link to the full texts of the articles, or use them for any other lawful purpose, without asking prior permission from the publisher or the author. This is in accordance with the BOAI definition of open access.
Uncontrolled Keywords: Electronic, Optical and Magnetic Materials
Publication ISSN: 2159-3930
Last Modified: 01 Apr 2024 07:20
Date Deposited: 28 Sep 2017 12:15
Full Text Link: https://www.osa ... RI=ome-7-9-3408
Related URLs: http://www.scop ... tnerID=8YFLogxK (Scopus URL)
PURE Output Type: Article
Published Date: 2017-09-01
Published Online Date: 2017-08-29
Accepted Date: 2017-07-19
Authors: Okhrimchuk, A.G.
Lipatiev, A.S.
Zharikov, E.V.
Orlova, G.
Mezentsev, V. (ORCID Profile 0000-0002-8415-1767)
Kazansky, P.G.

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