Electronic and optical properties of BaTiO{sub 3} and SrTiO{sub 3}
Journal Article
·
· Journal of Applied Physics
We have used the linear muffin-tin-orbital method, without geometrical approximations, to calculate the electronic structure of tetragonal BaTiO{sub 3} and cubic SrTiO{sub 3}. Using our self-consistent potential, we have calculated the frequency-dependent dielectric function and the reflectivity spectrum. For tetragonal BaTiO{sub 3} the anisotropic optical properties are calculated. We compare our calculations with experimental data and find good agreement. We analyze the origin of the different calculated features in the optical spectra by means of our energy-band structure. {copyright} 2001 American Institute of Physics.
- Sponsoring Organization:
- (US)
- OSTI ID:
- 40230546
- Journal Information:
- Journal of Applied Physics, Vol. 90, Issue 4; Other Information: DOI: 10.1063/1.1384862; Othernumber: JAPIAU000090000004001854000001; 033116JAP; PBD: 15 Aug 2001; ISSN 0021-8979
- Publisher:
- The American Physical Society
- Country of Publication:
- United States
- Language:
- English
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