GITSU, D. V.; SYRBU, N. N.; PRUNICH, P. I.; POPESKU, A. A.
(Springer Nature Switzerland, 2001)
The λ-modulated exciton reflection spectra of Tl3AsS3 crystals are investigated at 8 and 77 K, in which the ground (n=1) and excited (n=2, 3) exciton states are revealed. Taking into account the spatial dispersion, the ...