Open AccessЭкситонные спектры объемных кристаллов BiI-=SUB=-3-=/SUB=-
Author(s) -
В.Ф. Агекян,
А.Ю. Серов,
Н.Г. Философов
Publication year - 2022
Publication title -
fizika tverdogo tela
Language(s) - English
Resource type - Journals
eISSN - 1726-7498
pISSN - 0367-3294
DOI - 10.21883/ftt.2022.01.51838.212
Subject(s) - oscillator strength , reflection (computer programming) , exciton , range (aeronautics) , luminescence , quality (philosophy) , materials science , spectral line , absorption (acoustics) , absorption spectroscopy , reflectivity , atmospheric temperature range , computational physics , optics , analytical chemistry (journal) , molecular physics , atomic physics , optoelectronics , physics , condensed matter physics , chemistry , computer science , thermodynamics , quantum mechanics , composite material , chromatography , programming language
The luminescence, reflection and absorption spectra of layered BiI3 crystals on samples of different quality are studied in a wide temperature range. Based on the data obtained, the parameters of the direct exciton, which has a high oscillator strength, are estimated