Journal ArticleDOI
A simple theoretical analysis of the carrier contribution to the elastic constants in quantum wires of IV-VI semiconductors in the presence of a parallel magnetic field
B. R. Nag,Kamakhya P. Ghatak +1 more
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In this paper, the carrier contribution to the elastic constants in quantum wires of IV-VI semiconductors under parallel magnetic field on the basis of a newly derived electron dispersion law was studied.About:
This article is published in Journal of Physics and Chemistry of Solids.The article was published on 1997-03-01. It has received 21 citations till now. The article focuses on the topics: Quantum wire & Magnetic field.read more
Citations
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Journal ArticleDOI
Influence of light waves on the thermoelectric power under large magnetic field in III‐V, ternary and quaternary materials
TL;DR: In this article, the influence of light waves on the thermoelectric power under large magnetic field (TPM) for III-V, ternary and quaternary materials, whose unperturbed energy-band structures, are defined by the three-band model of Kane.
Journal ArticleDOI
Simple theoretical analysis of the photoemission from quantum confined effective mass superlattices of optoelectronic materials
Debashis De,Sitangshu Bhattacharya,Sondipon Adhikari,Ashok Kumar,Pradip K. Bose,Kamakhya Prasad Ghatak +5 more
TL;DR: It appears, taking HgTe/Hg1−xCdxTe and InxGa1+xAs/InP effective mass superlattices, that the photoemission from these quantized structures is enhanced with increasing photon energy in quantized steps and shows oscillatory dependences with the increasing carrier concentration.
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The Einstein relation in quantum wires of III-V, ternary, and quaternary materials in the presence of light waves: Simplified theory, relative comparison, and suggestion for experimental determination
Kamakhya Prasad Ghatak,Sitangshu Bhattacharya,Shantanu Bhowmik,Rinze Benedictus,Sushabhan Choudhury +4 more
TL;DR: In this paper, the diffusivity to mobility ratio (DMR) in quantum wires (QWs) of III-V, ternary, and quaternary materials in the presence of light waves, whose unperturbed energy band structures are defined by the three band model of Kane, was studied.
Journal ArticleDOI
Influence of quantum confinement on the carrier contribution to the elastic constants in quantum confined heavily doped non-linear optical and optoelectronic materials: simplified theory and the suggestion for experimental determination
TL;DR: In this paper, the carrier contribution to elastic constants in quantum confined heavily doped non-linear optical compounds was studied on the basis of a newly formulated electron dispersion law taking into account the anisotropies of the effective electron masses and spin orbit splitting constants together with the proper inclusion of the crystal field splitting in the Hamiltonian within the framework of k.p formalism.
Journal ArticleDOI
Thermoelectric power in ultrathin films, quantum wires and carbon nanotubes under classically large magnetic field: Simplified theory and relative comparison
Ashok Kumar,Sushabhan Choudhury,S. Saha,S. Pahari,Debashis De,Sitangshu Bhattacharya,Kamakhya Prasad Ghatak +6 more
TL;DR: In this article, the thermoelectric power under classically large magnetic field (TPM) in ultrathin films (UFs), quantum wires (QWs) of nonlinear optical materials on the basis of a newly formulated electron dispersion law considering the anisotropies of the effective electron masses, the spin-orbit splitting constants and the presence of the crystal field splitting within the framework of kp formalism.
References
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Book
Electron transport in compound semiconductors
TL;DR: In this paper, the Boltzmann Transport Equation is used to calculate the collision probability of the Sphalerite and the Chalcopyrite structures, and the Brillouin Zone is used for the Wurtzite structure.
BookDOI
Science and engineering of one- and zero-dimensional semiconductors
TL;DR: The proceedings of the NATO Advanced Research Workshop on the Science and Engineering of 1 and O-dimensional semiconductors held at the University of Cadiz from 29th March to 1st April 1989, under the auspices of theNATO International Scientific Exchange Program as discussed by the authors.
Journal ArticleDOI
On the effective electron mass in strained layer superlattices of non-parabolic semiconductors under strong magnetic quantization
Kamakhya P. Ghatak,B. Mitra +1 more
TL;DR: In this paper, an attempt is made to study the effective electron mass in strained layer superlattices of non-parabolic semiconductors with graded structures under sirong magnetic quantization and to compare the same with the bulk specimens of the constituent materials, by formulating the appropriate magneto-dispersion laws.
Journal ArticleDOI
On the photoemission from quantum-confined Kane-type semiconductors
Kamakhya P. Ghatak,M. Mondal +1 more
TL;DR: In this paper, the photoemission from ultrathin films, quantum wires and quantum dots of degenerate Kane-type semiconductors, respectively, on the basis of a newly derived dispersion relation of the conduction electrons allowing all types of anisotropies of the band parameters within the framework of k⋅p formalism was investigated.
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On the carrier contribution to the elastic constants in ultrathin films of bismuth under quantizing magnetic field
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B. Mitra,Kamakhya P. Ghatak +1 more