Interference of resonance luminescence of exciton polaritons in CuGaS2 crystals
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SYRBU, Nicolae, NEMERENCO, Lucreţia, STAMOV, Ivan, BEJAN, Valerian, TEZLEVAN, Victor. Interference of resonance luminescence of exciton polaritons in CuGaS2 crystals. In: Moldavian Journal of the Physical Sciences, 2007, nr. 2(6), pp. 194-200. ISSN 1810-648X.
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Moldavian Journal of the Physical Sciences
Numărul 2(6) / 2007 / ISSN 1810-648X /ISSNe 2537-6365

Interference of resonance luminescence of exciton polaritons in CuGaS2 crystals


Pag. 194-200

Syrbu Nicolae1, Nemerenco Lucreţia1, Stamov Ivan1, Bejan Valerian1, Tezlevan Victor2
 
1 Technical University of Moldova,
2 Institute of Applied Physics, Academy of Sciences of Moldova
 
 
Disponibil în IBN: 16 decembrie 2013


Rezumat

The nonmodulated and wavelength-modulated reflection spectra of CuGaS2 crystals for the polarization Е||c of 10 K are studied. The states n = 1, 2 and 3 of the excitons Γ4 (A-excitons) and n = 1, n = 2 of B- and C-excitons are found. The nonmodulated absorption spectra for the polarization E⊥c at 10 K have been studied. The states n=1, 2 and 3 of Γ5 excitons are found. The main parameters of the A (Γ4, Γ5 ) and B, C exciton series at the energies of the longitudinal and transverse excitons Γ4 for the states n = 1 and n = 2, the effective masses of electrons ( m*e 1) and holes (m* v1, m* v2 , m* v3) are determined.

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the polarization Е||c of 10 K are studied. The states n = 1, 2 and 3 of the excitons Γ4 (A-excitons) and n = 1, n = 2 of B- and C-excitons are found. The nonmodulated absorption spectra 
for the polarization E⊥c at 10 K have been studied. The states n=1, 2 and 3 of Γ5 excitons are 
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