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

doi:10.1364/OME.7.003408

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

Aston Institute of Photonic Technologies (AiPT)

Research output: Contribution to journal › Article › peer-review

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.

Original language	English
Pages (from-to)	3408-3421
Number of pages	14
Journal	Optical Materials Express
Volume	7
Issue number	9
Early online date	29 Aug 2017
DOIs	https://doi.org/10.1364/OME.7.003408
Publication status	Published - 1 Sept 2017

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10.1364/OME.7.003408

Phase transformation under direct laser writing in a YAG single crystal
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.
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title = "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.",

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AU - Orlova, G.

AU - Mezentsev, V.

AU - Kazansky, P.G.

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AB - 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.

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Phase transformation under direct laser writing in a YAG single crystal

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