Purification and crystal growth of LiY0.5Er0.5F4 crystals

M. Roth; M. Schieber

doi:10.1016/0025-5408(81)90005-2

Purification and crystal growth of LiY_0.5Er_0.5F₄ crystals

M. Roth^*, M. Schieber

^*Corresponding author for this work

The Institute of Applied Physics

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

5 Scopus citations

Abstract

The purification procedure of the LiY_0.5Er_0.5F₄ compound for Bridgman-Stockbarger and Czochralski single crystal growth has been investigated. Yttrium and rare-earth oxyfluorides were found to form during hydrofluoric heat-treatment of the starting fluoride mixture. Optically clear single crystals of purified LiY_0.5Er_0.5F₄ were grown by both Bridgman-Stockbarger and Czochralski methods. The stoichiometry was investigated by magnetic susceptibility measurements and the Er content in the single crystals grown by both Bridgman-Stockbarger and Czochralski methods were found to fit stoichiometry within the measurement error. No free (OH)^- ions were found by infrared absorption spectroscopy.

Original language	English
Pages (from-to)	381-388
Number of pages	8
Journal	Materials Research Bulletin
Volume	16
Issue number	4
DOIs	https://doi.org/10.1016/0025-5408(81)90005-2
State	Published - Apr 1981

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abstract = "The purification procedure of the LiY0.5Er0.5F4 compound for Bridgman-Stockbarger and Czochralski single crystal growth has been investigated. Yttrium and rare-earth oxyfluorides were found to form during hydrofluoric heat-treatment of the starting fluoride mixture. Optically clear single crystals of purified LiY0.5Er0.5F4 were grown by both Bridgman-Stockbarger and Czochralski methods. The stoichiometry was investigated by magnetic susceptibility measurements and the Er content in the single crystals grown by both Bridgman-Stockbarger and Czochralski methods were found to fit stoichiometry within the measurement error. No free (OH)- ions were found by infrared absorption spectroscopy.",

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AB - The purification procedure of the LiY0.5Er0.5F4 compound for Bridgman-Stockbarger and Czochralski single crystal growth has been investigated. Yttrium and rare-earth oxyfluorides were found to form during hydrofluoric heat-treatment of the starting fluoride mixture. Optically clear single crystals of purified LiY0.5Er0.5F4 were grown by both Bridgman-Stockbarger and Czochralski methods. The stoichiometry was investigated by magnetic susceptibility measurements and the Er content in the single crystals grown by both Bridgman-Stockbarger and Czochralski methods were found to fit stoichiometry within the measurement error. No free (OH)- ions were found by infrared absorption spectroscopy.

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Purification and crystal growth of LiY_0.5Er_0.5F₄ crystals

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