Growth by the heat exchanger method of NaBiW2O8 and Na5B2P3O13 crystals

In this paper, we present the results of our attempt to grow NaBiW2O8 (NBW) and Na5B2P3O13 (NBP) crystals by the heat exchanger method (HEM). This method is slightly different from the Bridgman technique: the crucible is kept fixed in the setup and the center of the crucible bottom is cooled by a va...

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Bibliographic Details
Published in:Journal of crystal growth 2007-05, Vol.303 (2), p.629-631
Main Authors: RAHAB, H, OUADJAOUT, D, MANSERI, A, VIRAPHONG, O, CHAMINADE, J. P
Format: Article
Language:English
Subjects:
Chemical Sciences
Cross-disciplinary physics: materials science
rheology
Exact sciences and technology
Fundamental areas of phenomenology (including applications)
Growth from melts
zone melting and refining
Inorganic chemistry
Material chemistry
Materials science
Methods of crystal growth
physics of crystal growth
Methods of deposition of films and coatings
film growth and epitaxy
Nonlinear optical crystals
Optical materials
Optics
Physics
Theory and models of film growth
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Summary:In this paper, we present the results of our attempt to grow NaBiW2O8 (NBW) and Na5B2P3O13 (NBP) crystals by the heat exchanger method (HEM). This method is slightly different from the Bridgman technique: the crucible is kept fixed in the setup and the center of the crucible bottom is cooled by a variable helium gas flow. It allows very good control of the growth rate and minimizes parasitic crystallization at the crucible walls. First experiments for growing these two materials by the HEM technique have shown very promising results with single-crystal sizes of few cubic centimetres.
ISSN:0022-0248
1873-5002
DOI:10.1016/j.jcrysgro.2006.12.059