One-photon band gap engineering of borate glass doped with ZnO for photonics applications
Abdel Baki, M. H.; Abdel-Wahab, Fathy; El-Diasty, F;
Abstract
Lithium tungsten borate glass of the composition (0.56-x)B 2O 3-0.4Li 2O-xZnO-0.04WO 3 (0 ≤ x ≤ 0.1 mol.%) is prepared for photonics applications. The glass is doped with ZnO to tune the glass absorption characteristics in a wide spectrum range (200-2500 nm). Chemical bond approach, including chemical structure, electronegativity, bond ionicity, nearest-neighbor coordination, and other chemical bonding aspect, is used to analyze and to explain the obtained glass properties such as: transmittance, absorption, electronic structure parameters (bandgap, Fermi level, and Urbach exciton-phonon coupling), Wannier free excitons excitation (applying Elliott's model), and two-photon absorption coefficient as a result of replacement of B 2O 3 by ZnO. © 2012 American Institute of Physics.
Other data
| Title | One-photon band gap engineering of borate glass doped with ZnO for photonics applications | Authors | Abdel Baki, M. H. ; Abdel-Wahab, Fathy ; El-Diasty, F | Keywords | FUNDAMENTAL ABSORPTION-EDGE;OPTICAL-PROPERTIES;TEMPERATURE-DEPENDENCE;TRANSITION TEMPERATURE;IONIC-CONDUCTIVITY;OXIDE;NONLINEARITIES;ALKALI;ENERGY | Issue Date | 2012 | Publisher | AMER INST PHYSICS | Journal | Journal Of Applied Physics | Volume | 111 | Issue | 7 | ISSN | 0021-8979 | DOI | 10.1063/1.3698623 | Scopus ID | 2-s2.0-84861722478 | Web of science ID | WOS:000303282402064 |
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