EXCITON-PHONON SPECTRA AND ENERGY-BAND STRUCTURE OF CUGASE2 CRYSTALS

Authors
SYRBU NN BOGDANASH M TEZLEVAN VE STAMOV IG
Citation
Nn. Syrbu et al., EXCITON-PHONON SPECTRA AND ENERGY-BAND STRUCTURE OF CUGASE2 CRYSTALS, Journal of physics. Condensed matter, 9(6), 1997, pp. 1217-1223
Citations number
16
Categorie Soggetti
Physics, Condensed Matter
Journal title
Journal of physics. Condensed matter → ACNP
ISSN journal
09538984
Volume
9
Issue
6
Year of publication
1997
Pages
1217 - 1223
Database
ISI
SICI code
0953-8984(1997)9:6<1217:ESAESO>2.0.ZU;2-Z
Abstract
The excitonic reflectivity spectra and the wavelength derivative refle ction spectra have been investigated. The n = 1, n = 2 and n = 3 state s of the A, B and C exciton series are determined. The exciton binding energies and exact values of the band gaps of all three intervals Gam ma(7)(V1)-Gamma(6)(C1), Gamma(6)(V2)-Gamma(6)(C1) and Gamma(7)(V3)-Gam ma(6)(C1) have been calculated. Data on the splitting due to the cryst al-field and the spin-orbit interaction are determined as well.