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  • 1
    Electronic Resource
    Electronic Resource
    Springer
    Il nuovo cimento della Società Italiana di Fisica 2 (1983), S. 2058-2063 
    ISSN: 0392-6737
    Keywords: Infra-red and Raman spectra and scattering
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Description / Table of Contents: Riassunto La dipendenza degli spettri di Raman di primo ordine dalla pressione idrostatica in cristalli di ZnSiP2 è stata misurata fino a 52k bar e il parametro di Grüneisen di ogni modo di Raman è stato ottenuto. I modi fononici osservati nel cristallo di ZnSiP2 possono essere classificati in cinque gruppi secondo il valore del parametro di Grüneisen del modo. La corrispondenza tra modi di Raman in ZnSiP2 e quelli nel suo analogo binario GaP è stata chiarita confrontando i parametri di Grüneisen nei due cristalli. Da tale corrispondenza sono stati chiariti complicati modi di vibrazione reticolare in ZnSiP2.
    Abstract: Резюме Измеряется зависимость от гидростатического давления вплоть до 52 кбар Рамановских спектров пектров первого порядка в кристаллах ZnSiP2. Для каждой Рамановской моды получен параметр Грюнайзена. Наблюденные фононные моды в кристалле ZnSiP2 могут быть классифицированы а пять групп, соответственно параметру Грюнайзена. Объясняется соответствие между Рамановскими модами в ZnSiP2 и Рамановскими модами в бинарном аналоге GaP, посредством сравнения параметров Грюнайзена в двух кристаллах. Это соответветствие проясняет сложные моды колебаний решетки в ZnSiP2.
    Notes: Summary The hydrostatic-pressure dependence of the first-order Raman spectra in the ZnSiP2 crystal has been measured up to 52 kbar and the Grüneisen parameter of each Raman mode was obtained. Phonon modes observed in the ZnSiP2 crystal can be classified into five groups according to the value of the Grüneisen mode parameter. The correspondence between Raman modes in ZnSiP2 and those in its binary analog GaP was elucidated by comparing Grüneisen parameters in the two crystals. From such a correspondence, complicated lattice vibration modes in ZnSiP2 were made clear.
    Type of Medium: Electronic Resource
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