Growth and characterization of shape-controlled single crystals by a micro-pulling-down method

Yuui Yokota, Hidehiko Tanaka, Masato Sato, Valery Chani, Kazushige Tota, Ko Onodera, Takayuki Yanagida, Akira Yoshikawa

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

4 Citations (Scopus)


Shape-controlled CaF 2 and sapphire crystals were grown by a micro-pulling-down (μ-PD) method and the crystallinities were investigated. By the μ-PD method with crucibles which have special configurations, circular tube-shaped CaF 2 crystal, square tube-shaped CaF 2 crystal and square tube-shaped sapphire crystal with high transparency were obtained. The grown crystals indicated a single phase of CaF 2 and Al 2O 3 in the XRD measurements. X-ray rocking curve of square tube-shaped sapphire indicated the crystal has no mosaic structure in the crystal and it has high crystallinity comparable to crystals grown by Cz method.

Original languageEnglish
Title of host publicationSolid-State Chemistry of Inorganic Materials VIII
Number of pages4
Publication statusPublished - 2011
Event2010 MRS Fall Meeting - Boston, MA, United States
Duration: 2010 Nov 292010 Dec 3

Publication series

NameMaterials Research Society Symposium Proceedings
ISSN (Print)0272-9172


Conference2010 MRS Fall Meeting
Country/TerritoryUnited States
CityBoston, MA


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