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Crystallogenesis and Mineralogy
Saint Petersburg, Russia
1-5 October 2007
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Conferences & Meetings 2nd International Conference "Crystallogenesis and Mineralogy"
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Real structure of the rapid grown on point seed oriented and profiled KDP crystals

RMS-DPI code:  2007-1-50-0
Scientific session:  Session 3. Synthesis of crystalline materials and experimental mineralogy
Author listing:  Kim E.L., Katsman V.I., Vorontsov V.V., Portnov V.N., Trushin V.N.
Principal author:  Kim Ekaterina Leonidovna
Language:  Russian
Abstract - Summary 
(short description):
An important contribution to the development of the rapid crystal growth methods from solutions was made by O.M. Ansheles, V.B. Tatarski, and A.A. Shtenberg (1945). One of the new rapid methods was suggested for growth of oriented KDP crystals in form of wafers of the specified size [1]. A seed device was designed in such a way that the shaped crystal grew between two disks placed at a given distance one over another. The structure of the grown crystals was investigated by the methods of X-ray topography, anomalous birefringence, selective etching, spectrophotometry. The sectorial and zonal inhomogeneities produced by some defects with a density of about 104 cm-2 were revealed. The origin of these defects is still under determination. The growth sectors of a bipyramidal face appear to be the most inhomogeneous in this regard. The material of the growth sectors of a bipyramidal face has the highest UV transmission coefficient, similarly to the results reported in [2]. The samples have a low value of anomalous biaxiality (less than 20Т) and uniformly oriented along z-cut planes of optical axis.
 
RMS-DPI code:  2007-1-50-0
Proceeedings volume 
in the RMS catalogue:
 
Crystallogenesis and Mineralogy
Pages:  90-91
File of proceedings 
(PDF): 
 259 K
Status:  printed
Recieved:  29/04/2007
Accepted:  30/05/2007
Published on-line:  06/01/2008
Permanent address of publication:  http://www.minsoc.ru/2007-1-50-0/
Contact author(s):  Kim, Ekaterina Leonidovna
 
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