PHOTOIONIZATION CROSS-SECTION AND OSCILLATOR STRENGTH OF HYDROGENIC IMPURITIES IN ZnS/SiO2 QUANTUM DOTS

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YILMAZ S., Safak H.

INTERNATIONAL JOURNAL OF MODERN PHYSICS B, vol.23, no.8, pp.2127-2138, 2009 (SCI-Expanded)

• Publication Type: Article / Article
• Volume: 23 Issue: 8
• Publication Date: 2009
• Doi Number: 10.1142/s0217979209052030
• Journal Name: INTERNATIONAL JOURNAL OF MODERN PHYSICS B
• Journal Indexes: Science Citation Index Expanded (SCI-EXPANDED), Scopus
• Page Numbers: pp.2127-2138
• Yozgat Bozok University Affiliated: Yes

Abstract

In this study, the photoionization cross-section and oscillator strength for the inter-subband electronic transitions associated with a non-center impurity in the ZnS/SiO2 spherical quantum dot have been calculated. The effect of dot radius, the normalized photon energy and the potential barrier height on the cross-section have been investigated. In the calculations,both the infinite and finite confinement cases have been considered.