Energy spectrum and IR absorption coefficient of quantum dots

Pavel S. Serebrennikov

doi:10.1117/12.628680

7 June 2005 Energy spectrum and IR absorption coefficient of quantum dots

Pavel S. Serebrennikov

Proceedings Volume 5834, 18th International Conference on Photoelectronics and Night Vision Devices; (2005) https://doi.org/10.1117/12.628680
Event: 18th International Conference on Photoelectronics and Night Vision Devices and Quantum Informatics 2004, 2004, Moscow, Russian Federation

Abstract

In an effective mass approximation a calculation of an energy spectrum of quantum dots (QD) is carried out. Quantum dots of an spherical and cylindrical forms (the height is much less then radius-disc or tablet nanocluster) are analyzed. Numerical constants of Ge-Si heterostructure are used in calculation. Difference of hole effective mass in Ge and Si is taken into account. In envelope wave function approximation an estimation of photoionization cross-section of the pherical cluster ground state is carried out. For a tablet cluster estimation of matrix elements ratio of ground state photoionisation by electro-magnetic radiation with E vector along and perpendicular cluster axis is carried out.

Citation Download Citation

Pavel S. Serebrennikov "Energy spectrum and IR absorption coefficient of quantum dots", Proc. SPIE 5834, 18th International Conference on Photoelectronics and Night Vision Devices, (7 June 2005); https://doi.org/10.1117/12.628680

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KEYWORDS

Quantum dots

Absorption

Tablets

Germanium

Silicon

Spherical lenses

Polarization

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