Interface excitations in p-n junction structures

The interface excitations associated with a p-n junction structure are studied by applying the hydrodynamic model. Using a Shockley model of the p-n junction, the problem is analogous to that of an electron plasma and a hole plasma separated by a depletion region. These excitations can be regarded a...

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Bibliographic Details
Published inSolid state communications Vol. 75; no. 5; pp. 405 - 407
Main Authors Gonzalez Robles, V.M, Gonzalez de la Cruz, G
Format Journal Article
LanguageEnglish
Published Oxford Elsevier Ltd 01.08.1990
Elsevier
Subjects
Condensed matter: electronic structure, electrical, magnetic, and optical properties
Electronic structure and electrical properties of surfaces, interfaces, thin films and low-dimensional structures
Exact sciences and technology
Physics
Surface and interface electron states
Electron plasma
Semiconductor materials
Plasmon
Dispersion relation
Interface electron state
Theoretical study
Hydrodynamic model
P n junction
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Summary:The interface excitations associated with a p-n junction structure are studied by applying the hydrodynamic model. Using a Shockley model of the p-n junction, the problem is analogous to that of an electron plasma and a hole plasma separated by a depletion region. These excitations can be regarded as coupled modes whose components are the surface plasmons of the p and n interfaces. The dispersion relation of the coupled modes is calculated in the electrostatic limit for long wavelengths.
ISSN:0038-1098
1879-2766
DOI:10.1016/0038-1098(90)90590-8