Calculations of F centers in KNbO3 ferroelectric crystals

Proceedings of SPIE - The International Society for Optical Engineering

Volumn 2967, Issue , 1997, Pages 150-152

  Eglitis, R I ^a,b   Kotomin, Eugene A ^a  

^a UNIVERSITY OF LATVIA   (Latvia)

^b UNIVERSITY OF OSNABRÜCK   (Germany)

Author keywords

Ferroelectrics; INDO; Optical properties; Semi empirical calculations; Supercell model

Indexed keywords

ATOMS; COLOR CENTERS; CRYSTALS; FERROELECTRIC MATERIALS; FERROELECTRICITY; MATERIALS PROPERTIES; MODAL ANALYSIS; NIOBIUM; OPTICAL PROPERTIES; OXIDE MINERALS; PEROVSKITE;

ABSORPTION BANDS; ALKALI HALIDES; EMPIRICAL METHODS; F CENTERS; FERROELECTRIC CRYSTALS; FERROELECTRICS; HIGH TEMPERATURES; INDO; IRRADIATED CRYSTALS; LOCAL SYMMETRIES; NB ATOMS; PEROVSKITE CRYSTALS; ROOM TEMPERATURES; SEMI-EMPIRICAL CALCULATIONS; SUPERCELL MODEL;

DIELECTRIC MATERIALS;

EID: 58049148112     PISSN: 0277786X     EISSN: None     Source Type: Conference Proceeding    
DOI: 10.1117/12.266526     Document Type: Conference Paper

References (7)

1. F. Jona and G. Shirane, Ferroelectric Crystals, Pergamon:New York, 1962. P. Günter and J.-P. Huignard (eds.) Photorefractive Materials and their Application. Topic in Applied Physics, v. 61, Berlin: Springer, 1988.
2. A.M. Stoneham, Theory of Defects in Solids, Oxford Univ. Press, 1975
3. 3, Solid State Comm., 75, 351 (1990).
4. E.A. Kotomin, A. Stashans, L.N. Kantorovich, A.I. Lifshitz, J.-L. Calais, A.I. Popov, and I.A. Tale, Optical Properties and geometry of electron centers in corundum, Phys.Rev., B 51, 8770 (1995).
5. R.A. Evarestov, E.A. Kotomin, A.N. Ermoshkin, Models of defects in wide-gap solids, Riga:Zinatne, 1983.
6. L.N. Kantorovich, E.A. Kotomin, A. Shluger et al., Radiation-induced processes in widegap solids with point defects, Riga:Zinatne, 1991.
7. 3, Phys. Rev. B 54, 2421 (1996).