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IJPAP Vol.44(02) [February 2006] >


Title: Two band model for a semiconductor quantum dot
Authors: Makwana, Rohit
Sharma, A C
Keywords: Quantum dot
Energy eigenvalues
Wavefunctions
Band gap
Dielectric constant
Issue Date: Feb-2006
Publisher: CSIR
IPC CodeH01L, B82B
Abstract: Two band model for a semiconductor quantum dot has been developed. Energy eigenvalues and the wavefunctions have been calculated for the dot of radius, a. Our calculation shows that energy eigenvalues which become discrete due to the quantum confinement depends on a. The band gap between two bands has been found a-dependent and it increases on decreasing the size of the dot. The calculated wavefunctions and energy eigenvalues are aimed to use for computing the size dependent static dielectric constant of the quantum dot. The computed wavefunctions and energy eigenvalues and preliminary calculations of dielectric constant are presented in this paper.
Page(s): 143-147
ISSN: 0975-1041 (Online); 0019-5596 (Print)
Source:IJPAP Vol.44(02) [February 2006]

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