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2007•physica status solidi (b)Requires access

Analysis of optical spectra of V2+ centres in ZnS and ZnSe single crystals

M.G. Brik, I. V. Kityk

Open publisher page 13 citations

Abstract

Abstract A systematic spectroscopic study of V2+‐doped ZnS and ZnSe single crystals (which includes crystal growth, absorption spectra measurements and combined application of the crystal field calculations and first‐principles analysis of V2+ energy levels and absorption spectra) is reported. Detailed comparison between the calculated energy levels and experimental absorption spectra enabled the assignment of the absorption peaks. The dependence of the crystal field and covalent effects on the interionic distance is analysed qualitatively. Several existing discrepancies between various literature data concerning the order of the V2+ energy levels (in particular, the positions of the 2E and 4T1 (4P) levels) are resolved. (© 2008 WILEY‐VCH Verlag GmbH & Co. KGaA, Weinheim)

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Abstract A systematic spectroscopic study of V2+‐doped ZnS and ZnSe single crystals (which includes crystal growth, absorption spectra measurements and combined application of the crystal field calculations and first‐principles analysis of V2+ energy levels and absorption spectra) is reported. Detailed comparison between the calculated energy levels and experimental absorption spectra enabled the assignment of the absorption peaks. The dependence of the crystal field and covalent effects on the interionic distance is analysed qualitatively. Several existing discrepancies between various literature data concerning the order of the V2+ energy levels (in particular, the positions of the 2E and 4T1 (4P) levels) are resolved. (© 2008 WILEY‐VCH Verlag GmbH & Co. KGaA, Weinheim)

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Available abstract

Abstract A systematic spectroscopic study of V2+‐doped ZnS and ZnSe single crystals (which includes crystal growth, absorption spectra measurements and combined application of the crystal field calculations and first‐principles analysis of V2+ energy levels and absorption spectra) is reported. Detailed comparison between the calculated energy levels and experimental absorption spectra enabled the assignment of the absorption peaks. The dependence of the crystal field and covalent effects on the interionic distance is analysed qualitatively. Several existing discrepancies between various literature data concerning the order of the V2+ energy levels (in particular, the positions of the 2E and 4T1 (4P) levels) are resolved. (© 2008 WILEY‐VCH Verlag GmbH & Co. KGaA, Weinheim)

Key concepts: Crystal (programming language), Absorption spectroscopy, Spectral line, Absorption (acoustics), Single crystal, Doping, Field (mathematics), Chemistry

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