Purification of Bismuth by the Floating Zone Refining
- 1 September 1971
- journal article
- Published by IOP Publishing in Japanese Journal of Applied Physics
- Vol. 10 (9)
- https://doi.org/10.1143/jjap.10.1135
Abstract
In order to obtain extreme pure bismuth, the floating zone refining method is adopted in addition to the ordinary horizontal zone refining. Thereafter, single crystals of the desired orientations are grown by using seed crystals. The value of residual resistance ratio R 293$°$K/R 4.2$°$K which is measured along the binary axis is obtained as 738 at the largest. This is the highest value of purity when compared to the other published values.Keywords
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