Title
Characterization of nanostructures by virtue of the phenomena due to the electron-phonon interaction Characterization of nanostructures by virtue of the phenomena due to the electron-phonon interaction
Author
Faculty/Department
Faculty of Sciences. Physics
Publication type
article
Publication
Amsterdam :Elsevier ,
Subject
Physics
Chemistry
Source (journal)
Applied surface science. - Amsterdam
Source (book)
5th International Conference on Formation of Semiconductor Interfaces, (ICFSI-5), June 26-30, 1995, Princeton, N.J.
Volume/pages
104(1996) , p. 546-551
ISSN
0169-4332
ISI
A1996VR57300087
Carrier
E
Target language
English (eng)
Full text (Publishers DOI)
Affiliation
University of Antwerp
Abstract
Investigations of polarons in a polar cylindrical quantum wire are carried out for various barrier potentials at the interface. It is shown that dependencies of the ground-state energy and the effective mass on the radius of the wire may be used in order to determine the mechanical boundary conditions in a heterostructure under consideration. In the presence of a magnetic field directed along the wire axis, the Schrodinger equation with a centred parabolic potential within the wire is solved exactly and the energy spectrum depending on the magnetic field is obtained. As far as a splitting and a pinning of the energy levels of magnetopolarons are revealed to depend on the electron-phonon interaction, they can be used for an effective characterization of the state of interfaces in nanostructures, A relative intensity of absorption for the different polarizations of light determines the degree of non-perfectness of the interfaces, The geometrical features of interface can be characterized by means of the cyclotron and the cyclotron-phonon resonances.
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