NASA NTRS · 19940000142
Two-Zone Bridgman Furnace With Sharp Thermal Gradient
Abstract
Two-zone vertical directional-solidification furnace designed and built to grow crystals from stoichiometric and nonstoichiometric melts and from solutions. Includes conventional wire heater in lower zone, tubular silicon carbide heating element in upper zone, and thermal baffle between zones. Temperature gradients up to 125 degrees centigrade per centimeter achieved in the crystal-growth region. Sharper gradient enables both faster growth and better separation between solid and liquid. Furnace used in laboratory or industrial setting for growth of crystals from congruently melting materials as well as for growth of compounds formed by peritectic reactions.
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Borshchevsky, Alex, Caillat, Thierry, Fleurial, Jean-Pierre. 1994-03-01. Two-Zone Bridgman Furnace With Sharp Thermal Gradient. https://ntrs.nasa.gov/citations/19940000142
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