Wannier-Stark effect and electron-phonon interaction in macroporous silicon structures with Si02 nanocoatings.

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dc.contributor.authorKarachevtseva, L.
dc.contributor.authorSapelnikova (Kolesnyk), O.
dc.contributor.authorLytvynenko, O.
dc.contributor.authorStronska, O.
dc.contributor.authorGoltviansky, Yu.
dc.date.accessioned2020-04-06T16:10:29Z
dc.date.available2020-04-06T16:10:29Z
dc.date.issued2014
dc.description.abstractWe investigated the contribution ofelectron-phonon interaction to the broadening parameter T of the Wannier-Stark ladder levels in oxidized macroporous silicon structures with different concentration ofSi-O-Si states (TO and LO phonons). The obtained value of the Wannier-Stark ladder parameter ris much less than the djacent level energy evaluated from giant oscillations of resonance electron scattering on the surface states. We determined the influence of broaden ing on the oscillation amplitude in IR absorption spectra as interaction of the surface multi-phonon polaritons with scattered electrons. This interaction transforms the resonance electron scattering in samples with low concentration ofSi-O-Si states into ordinary scattering on ionized impurities for samples with high concentration ofSi-O-Si states. The transformation takes place at the scattering lifetime coinciding with the period of electron oscillations in the surface electric field.uk_UA
dc.identifier.citationWannier-Stark effect and electron-phonon interaction in macroporous silicon structures with SiO2 nanocoatings / L. Karachevtseva, Yu Goltviansky, O. Kolesnyk [and oth.] // Opto-Electronics Review : journal. – 2014. – Vol .22, №4. – P. 201-206. - Bibliogr. : 8 titl.uk_UA
dc.identifier.issn1230-3402
dc.identifier.urihttps://repositary.knuba.edu.ua/handle/987654321/2292
dc.language.isoenuk_UA
dc.subjectWannier-Stark effectuk_UA
dc.subjectelectron-phonon interactionuk_UA
dc.subjectmacroporous silicon structuresuk_UA
dc.subjectSi02 nanocoatingsuk_UA
dc.subjectкафедра фізикиuk_UA
dc.subject.udc538.935uk_UA
dc.titleWannier-Stark effect and electron-phonon interaction in macroporous silicon structures with Si02 nanocoatings.uk_UA
dc.typeArticleuk_UA

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