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Bulk Crystal Growth of Nonlinear Optical Organic Materials Using Inverted Vertical Gradient Freeze MethodA new process for producing large bulk single crystals of benzil (C6H5COCOC6H5) is reported in this paper. Good quality crystals have been successfully grown using this approach to crystal growth. This method seems to be very promising for other thermally stable NLO organic materials also. The entire contents vycor crucible 1.5 inch in diameter and 2 inch deep was converted to single crystal. Purity of the starting growth material is also an important factor in the final quality of the grown crystals. The entire crystal can be very easily taken out of the crucible by simple maneuvering. Initial characterization of the grown crystals indicated that the crystals are as good as other crystals grown by conventional Bridgman Stockbarger technique.
Document ID
20000032226
Acquisition Source
Marshall Space Flight Center
Document Type
Conference Paper
Authors
Choi, J.
(Alabama A & M Univ. Normal, AL United States)
Cruz, Magda
(Alabama A & M Univ. Normal, AL United States)
Metzl, R.
(Alabama A & M Univ. Normal, AL United States)
Wang, W. S.
(Alabama A & M Univ. Normal, AL United States)
Aggarwal, M. D.
(Alabama A & M Univ. Normal, AL United States)
Penn, Benjamin G.
(NASA Marshall Space Flight Center Huntsville, AL United States)
Frazier, Donald O.
(NASA Marshall Space Flight Center Huntsville, AL United States)
Date Acquired
August 19, 2013
Publication Date
February 22, 1998
Publication Information
Publication: NASA University Research Centers Technical Advances in Aeronautics, Space Sciences and Technology, Earth Systems Sciences, Global Hydrology, and Education
Volume: 2 and 3
Subject Category
Solid-State Physics
Funding Number(s)
CONTRACT_GRANT: NSF HRD-93-53548
CONTRACT_GRANT: NAG8-1390
CONTRACT_GRANT: NAG5-5121
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.
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