期刊
SOLID STATE COMMUNICATIONS
卷 129, 期 6, 页码 401-405出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.ssc.2003.10.025
关键词
PMN-xPT crystals; optical transmittance; absorption edge
The optical transmission spectra from 0.3 to 11 mum of relaxor ferroelectric single crystals (1 - x)Pb(Mg1/3Nb2/3)O-3-xPbTiO(3) (PMN-xPT) were systematically studied at room temperature in this paper. The crystal is transparent between 0.45 and 5.5 mum and becomes completely absorbing around 0.4 mum in near UV region and 10 mum in infrared region. But the wavelength cutoff in near UV is much sharper than the long wavelength cutoff. As compared with other configurations, tetragonal single crystals possess the optimal transmission properties. The optical transmittance in the wavelength region from 0.45 to 5.5 mum is about 70%. The results show that tetragonal PMN-xPT single crystals are promising for a wide range of optical applications. Some discussions about the oxygen-octahedra structure that determines the basic energy level of the crystals are also presented on the optical properties of PMN-xPT single crystals. (C) 2004 Elsevier Ltd. All rights reserved.
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