Growth and characterization of Zn1-x-yBexMgySe solid solutions with luminescence and photoacoustic methods

Zn1–x–yBexMgySe mixed crystals were grown from the melt by the high pressure Bridgman method. Photoluminescence and photoluminescence‐excitation spectra were measured and the origin of luminescence in Zn1–x–yBexMgySe was discussed. Photothermal properties were investigated with photoacoustic method....

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Veröffentlicht in:	Physica status solidi. C 2010-06, Vol.7 (6), p.1463-1465
Hauptverfasser:	Firszt, Franciszek, Zakrzewski, Jacek, Strzałkowski, Karol, Maliński, Mirosław, Łęgowski, Stanisław, Męczyńska, Hanna, Marasek, Agnieszka, Huang, Ying-Sheng, Dumcenco, Dumitru
Format:	Artikel
Sprache:	eng
Schlagworte:	band gap Crystal growth Energy gap growth from solution II-VI mixed crystals Luminescence Melts photoacoustics Photoluminescence Solid solutions Solid state physics Spectra
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Beschreibung
Zusammenfassung:	Zn1–x–yBexMgySe mixed crystals were grown from the melt by the high pressure Bridgman method. Photoluminescence and photoluminescence‐excitation spectra were measured and the origin of luminescence in Zn1–x–yBexMgySe was discussed. Photothermal properties were investigated with photoacoustic method. From the spectral dependence of the amplitude and phase of photoacoustic signal as well as from photoluminescence spectra the values of energy gap were determined. The influence of surface preparation on photoacoustics data was investigated and discussed. (© 2010 WILEY‐VCH Verlag GmbH & Co. KGaA, Weinheim)
ISSN:	1862-6351 1610-1642 1610-1642
DOI:	10.1002/pssc.200983172