Image-Charge and Excitonic Effects on the Oscillator Strength of Silicon Quantum Dots

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概要

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• The enhancement of oscillator strength of silicon quantum dots (small crystallites) by the image charge and the excitonic electron-hole attraction is examined theoretically using a simple effective-mass model. While the distortion of the envelope function is found to be significant for the dot with a radius greater than 1 nm, the enhancement of the oscillator strength is significant only when the dot radius is smaller than 1 nm.

• 社団法人応用物理学会の論文
• 1998-10-15

著者

• Iwamatsu Masao

  Department Of Computer Engineering Faculty Of Information Sciences Hiroshima City University

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