Cercetarea spectrelor de transmisie şi absorbţie ale straturilor subţiri de tip ZnSxSe [Articol]

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2015

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USARB

Abstract

The reflection and transmission spectra (in the range from 300nm to 1400nm) were recorded using a PMQ – II (Carl Zeiss, Jena) spectrophotometer. The absorption coefficient, was determined from transmission spectra. The values of optical band gap, Eg, have been determined by extrapolating the linear portions of curves (ahv)2 = f(hv) for (ahv)2 - 0. For the analised samples these values (Eg = 2.68 – 3.5eV) are in a good agreement with the values of band gap energy obtained for bulk crystals.

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reflection spectrum, absorbtion spectrum, a semiconductor band gap width, spectrophotometer, straturi subţiri, spectrul de absorbţie, o lăţime de bandă de semiconductoare decalaj, spectrofotometru

Citation

Popa, Mihail. Cercetarea spectrelor de transmisie şi absorbţie ale straturilor subţiri de tip ZnSxSe / Mihail Popa // Tradiţie şi inovare în cercetarea ştiinţifică, Ediţia a 5-a : Materialele Colloquia Professorum din 10 octombrie 2014. – Bălţi. – 2015. – P. 222-227.

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http://riora.usarb.md:4000/handle/123456789/1670

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