Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/29872
Title: Growth and optical properties of 0.62Pb(Mg1/3Nb 2/3)O3-0.38PbTiO3 single crystals by a modified Bridgman technique
Authors: Wan, X
Wang, J
Chan, HLW 
Choy, CL 
Luo, H
Yin, Z
Keywords: A1. Absorption edge
A1. Extinction ratio
A1. Optical transmittance
A2. Bridgman technique
B1. 0.62PMN-0.38PT single crystals
Issue Date: 2004
Publisher: North-Holland
Source: Journal of crystal growth, 2004, v. 263, no. 1-4, p. 251-255 How to cite?
Journal: Journal of crystal growth 
Abstract: Large size 0.62PMN-0.38PT single crystals with high optical quality have been grown by a modified Bridgman technique. X-ray diffraction shows they have tetragonal phase and are free of pyrochlore phase. The melting point and thermal stability of the as-grown crystals were measured using simultaneous thermo-gravimetric analysis and differential thermal analysis. The optical transmission spectra from 0.3 to 11μm of a 〈001〉-cut 0.62PMN-0. 38PT single crystal were studied at room temperature. The extinction ratio is also measured from 20°C to 70°C. The wide transparent region (from 0.45 to 5.5μm) and high optical transmittance (about 70%) indicate that the crystals can be used in a very wide wavelength region. The high extinction ratio, which is independent of temperature is an important property for optical device application. Some discussions about the oxygen-octahedra structure that determines the basic energy level of the crystals are also presented in this paper.
URI: http://hdl.handle.net/10397/29872
ISSN: 0022-0248
DOI: 10.1016/j.jcrysgro.2003.11.053
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