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Title
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Characterization of nanostructures by virtue of the phenomena due to the electron-phonon interaction
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Author
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Abstract
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| 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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Language
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English
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Source (journal)
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Applied surface science. - Amsterdam
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Source (book)
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5th International Conference on Formation of Semiconductor Interfaces, (ICFSI-5), June 26-30, 1995, Princeton, N.J.
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Publication
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Amsterdam
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Elsevier
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1996
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ISSN
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0169-4332
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DOI
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10.1016/S0169-4332(96)00200-0
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Volume/pages
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104
(1996)
, p. 546-551
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ISI
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A1996VR57300087
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Full text (Publisher's DOI)
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