Heat capacity in quantum dots of nonlinear optical materials

Kamakhya Prasad Ghatak; Ardhendhu Ghoshal; Sankar Bhattacharyya; Manabendra Mondal

doi:10.1117/12.21689

1 October 1990 Heat capacity in quantum dots of nonlinear optical materials

Kamakhya Prasad Ghatak, Ardhendhu Ghoshal, Sankar Bhattacharyya, Manabendra Mondal

Proceedings Volume 1307, Electro-Optical Materials for Switches, Coatings, Sensor Optics, and Detectors; (1990) https://doi.org/10.1117/12.21689
Event: 1990 Technical Symposium on Optics, Electro-Optics, and Sensors, 1990, Orlando, FL, United States

Abstract

An attempt is made to study the heat capacity in 1uantum dots ( QDs) of nonlinear optical materials, taking n-LdGeAs2 as an example which also finds extensive applications in light emitting diodes. have for rnul ate d the he at c apac i ty in the QDs o f the s al d mater Ial by deducing a new dispersion law, within the framework of k.p. formalism Considering all types of anisotropies in the energy para- ieters. It is found, that the heat capacity increases with increa sing carrier density and decreases with increasing film thickness in an oscillatory manna' for both the eases respectively. The well known special eases have been derived from our generalized formula- tions under certain special conditions. The theoretical ex'essions are in agreement with the experimental observations as reported elsewhere.

Citation Download Citation

Kamakhya Prasad Ghatak, Ardhendhu Ghoshal, Sankar Bhattacharyya, and Manabendra Mondal "Heat capacity in quantum dots of nonlinear optical materials", Proc. SPIE 1307, Electro-Optical Materials for Switches, Coatings, Sensor Optics, and Detectors, (1 October 1990); https://doi.org/10.1117/12.21689

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