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The role of thermophysics in the design, optimization and understanding of semiconductor crystal growth in spaceThe compound semiconductor material PbSnTe has been investigated by NASA Langley Research Center as part of the Material Processing in Space (MPS) experiment in the framework of the Space Shuttle program. The long-range goal of the research is the improving of the performance of infrared detectors for use in remote sensing experiments. Three distinct techniques will be used in the low-g environment of space: two techniques involving bulk growth from melt and a vapor growth technique. In order to establish realistic estimates of the required time for experiments and to determine the thermal gradients that will be required to avoid constitutional supercooling, the diffusion coefficients must be accurately measured, however more data especially in the vapor-solid phase relations are needed.
Document ID
19790054019
Acquisition Source
Legacy CDMS
Document Type
Conference Paper
Authors
Crouch, R. K.
(NASA Langley Research Center Hampton, VA, United States)
Fripp, A. L.
(NASA Langley Research Center Hampton, VA, United States)
Debnam, W. J.
(NASA Langley Research Center Hampton, VA, United States)
Clark, I. O.
(NASA Langley Research Center Hampton, Va., United States)
Date Acquired
August 9, 2013
Publication Date
June 1, 1979
Subject Category
Solid-State Physics
Report/Patent Number
AIAA PAPER 79-1049
Meeting Information
Meeting: American Institute of Aeronautics and Astronautics, Thermophysics Conference
Location: Orlando, FL
Start Date: June 4, 1979
End Date: June 6, 1979
Sponsors: Astronautics, American Institute of Aeronautics
Accession Number
79A38032
Distribution Limits
Public
Copyright
Other

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