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Proceedings Paper

In-situ observation of crystal growth in microgravity by high-resolution microscopies
Author(s): Katsuo Tsukamoto; Kazuo Onuma
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Paper Abstract

High resolution in-situ observation methods were developed for the investigation of crystal growth mechanisms from solution phases. Crystal surfaces were observed by phase sensitive microscopies and the concentration gradient and the surface concentration of a solution were measured by interferometries. In order to investigate the morphological instability of a crystal based on a surface kinetics model, in-situ observations of crystal growth in microgravity were planned. The first model was flown in September 1991. These observation methods would further be developed by employing newly developed real time phase shift interferometry, which is more than 100 times sensitive than the other interferometries. This would be very suitable also for the investigation of transient phenomena on crystal growth in a drop tower.

Paper Details

Date Published: 1 December 1991
PDF: 12 pages
Proc. SPIE 1557, Crystal Growth in Space and Related Optical Diagnostics, (1 December 1991); doi: 10.1117/12.49589
Show Author Affiliations
Katsuo Tsukamoto, Tohoku Univ. (Japan)
Kazuo Onuma, Tohoku Univ. (Japan)

Published in SPIE Proceedings Vol. 1557:
Crystal Growth in Space and Related Optical Diagnostics
James D. Trolinger; Ravindra B. Lal, Editor(s)

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