Synthesis and characterization of Te2SeO7: A powder second-harmonic-generating study of TeO2, Te2SeO7, Te2O5, and TeSeO4

Authors
Porter, Y Ok, KM Bhuvanesh, NSP Halasyamani, PS
Citation
Y. Porter et al., Synthesis and characterization of Te2SeO7: A powder second-harmonic-generating study of TeO2, Te2SeO7, Te2O5, and TeSeO4, CHEM MATER, 13(5), 2001, pp. 1910-1915
Citations number
29
Categorie Soggetti
Apllied Physucs/Condensed Matter/Materiales Science","Material Science & Engineering
Journal title
CHEMISTRY OF MATERIALS
ISSN journal
08974756 → ACNP
Volume
13
Issue
5
Year of publication
2001
Pages
1910 - 1915
Database
ISI
SICI code
0897-4756(200105)13:5<1910:SACOTA>2.0.ZU;2-G
Abstract
The synthesis and characterization of a noncentrosymmetric tellurium selena te, Te2SeO7, is reported. In addition, the powder second-harmonic-generatin g (SHG) properties of TeO2, Te2SeO7, Te2O5, and TeSeO4 have been measured, using 1064 nm radiation. Through the powder SHG experiments, we are able to determine that TeO2 is not; phase-matchable, whereas Te2SeO7, Te2O5, and T eSeO4 are phase-matchable. Also, TeO2, Te2SeO7, Te2O5, and TeSeO4 have SHG efficiencies of 5, 200, 400, and 400 times SiO2, respectively. The relative SHG efficiencies may be understood by examining the structure of each mate rial. Through the powder SHG measurements, we estimate the average nonlinea r optical bond susceptibility, (d(ijk)(2 omega)), for each material.