LOW-COST BRIDGMAN-TYPE SINGLE-CRYSTAL GROWING APPARATUS
Technical Report
·
OSTI ID:4115301
The design, operation, and results obtained using a lowcost, Bridgran type, single-crystal growing apparatus are presented. The discussion is divided into sections covering the crystallizing crucible, furnace, and sample lowering assemblies along with recommended changes that it was felt would improve the operation. Single crystals of zinc, lead, tin and silver chloride were successfully grown. Sizes of the single crystals varied from 3/8 to 3/4 in. in diameter and were grown in lengths up to 3 1/2 in. The crystallizing crucibles used were quartz and graphite, and all had 5O deg conical nucleating tips. Tapered walls on graphite crucibles greatly facilitated the removal of the single crystals from the crucibles. The equipment was found to be simple to operate and the conditions were readily reproducible. The low cost of approximately 0.00 should make it of interest to persons desiring to grow their own single crystals of low melting point materials. Dimensioned drawings are included so the equipment can be duplicated. (auth)
- Research Organization:
- Ames Lab., Ames, Iowa
- DOE Contract Number:
- W-7405-ENG-82
- NSA Number:
- NSA-15-007316
- OSTI ID:
- 4115301
- Report Number(s):
- IS-178
- Country of Publication:
- United States
- Language:
- English
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