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A method for the growth and cooling of strain-free single crystals of cryogenic solids

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Original languageEnglish
Pages (from-to)3495-3496
Number of pages2
JournalReview of Scientific Instruments
Volume70
Issue number8
Publication statusPublished - Aug 1999

Abstract

A technique has been developed for growing and cooling single crystals of cryogenic solids along the solid-vapor saturation line while maintaining a condition of negligible mechanical strain. The crystal volumes were similar to 50 mm(3) and optical access was provided for application of Brillouin and Raman spectroscopies. Single-crystal studies of CH4 and CD4 have been completed over the temperature range from the triple point (similar to 90 K) down to approximately 15 K. In the case of CD4 three distinct solid phases were involved. (C) 1999 American Institute of Physics. [S0034-6748(99)01908-5].

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