Crystal Research and Technology
Cryst. Res. Technol. 39, 833 (2004) - Abstract -

Micrometric single crystal germanates obtained using a double-spherical mirror furnace

E. A. Juarez-Arellano, I. Rosales, G. V. Gamboa-Espinosa, J. A. Lara, L. Bucio, and E. Orozco

Instituto de Física, UNAM, Apdo. Postal 20-364, 01000 México D. F., México

Keywords crystal growth, mirror furnace, germanates
PACS 61.66.Fn, 81.05.Je, 81.05.Zx, 81.10.Aj
DOI 10.1002/crat.200410262

Micro-crystals of two new compounds EuMnGe2O7 and SmMnGe2O7 were grown performing the flux method in a double-spherical mirror furnace. One valuable advantage of this system was that the heating profile could be modified easily adjusting lamp positions and orientation as well. The micrometric crystals were observed and analyzed for chemical composition by scanning electron microscopy and energy dispersive spectroscopy. This furnace is perfectly suitable to grow at low price, low temperature and short time new materials as a single crystal for basic research or to obtain raw material.





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