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  • 1
    Electronic Resource
    Electronic Resource
    Springer
    Il nuovo cimento della Società Italiana di Fisica 9 (1987), S. 999-1007 
    ISSN: 0392-6737
    Keywords: Photoluminescence ; Conductivity phenomena in semiconductors and insulators
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Description / Table of Contents: Riassunto Si presenta uno studio dettagliato della luminescenza risolta nel tempo dello ZnIn2S4 eccitato con un laser pulsato a 30 K. Si riportano i risultati sperimentali ottenuti sulla dipendenza dell’intensità di fotoluminescenza a diverse lunghezze d’onda dall’intensità di eccitazione; gli spettri risolti nel tempo nell’intervallo (0÷10−1)s di ritardo rispetto all’eccitazione e, infine, il decadimento dell’intensità di fotoluminescenza. I risultati sono discussi nell’ambito di un semplice modello per i processi di ricombinazione a bassa temperatura, che fornisce un buon accordo con i dati sperimentali.
    Notes: Summary A detailed study of the time-resolved luminescence of ZnIn2S4 after pulsed-laser excitation at 30 K is presented. Results are given on the dependence of the emitted PL intensity at different emission wavelengths on the excitation intensity, on the time-resolved spectra in the range (0÷10−1) s of delay time with respect to excitation and on the time decay of the luminescence intensity for different emission wavelengths. The results are discussed in the framework of a simple model for the recombination processes at low temperatures yielding a good overall agreement with the experimental data.
    Type of Medium: Electronic Resource
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