Optical and Energetic Properties of the Tl4CdI6 Crystal.

Autor:	Kashuba, A. I., Malyi, T. S., Solovyov, M. V., Stakhura, V. B., Chylii, M. O., Shchepanskyi, P., Franiv, V. A.
Předmět:	OPTICAL properties of wide gap semiconductors CRYSTAL optics EFFECTIVE mass (Physics) BAND gaps VALENCE bands PHOTOLUMINESCENCE EXCITATION spectrum
Zdroj:	Optics & Spectroscopy; Dec2018, Vol. 125 Issue 6, p853-857, 5p
Abstrakt:	Abstract: The band spectrum and density of states of the Tl4CdI6 crystal have been investigated. Based on theoretical calculations, the electron and hole effective masses have been determined, the localization of the minimum band gap has been found, the origin of the conduction and valence bands has been established, and the nature of the direct-gap transition has been disclosed. Photoluminescence spectra and photoluminescence band excitation spectra at a temperature of 90 K have been experimentally detected. The identification and nature of the observed bands are discussed. [ABSTRACT FROM AUTHOR]
Databáze:	Complementary Index
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