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Raman spectra of folded acoustic phonons in short-period GaN/AlN superlattices as a tool for structure characterization. / Davydov, V. Yu; Roginskii, E. M.; Kitaev, Yu E.; Smirnov, A. N.; Eliseyev, I. A.; Nechaev, D. V.; Jmerik, V. N.; Smirnov, M. B.

в: Journal of Physics: Conference Series, Том 1697, № 1, 012158, 17.12.2020.

Результаты исследований: Научные публикации в периодических изданияхстатья в журнале по материалам конференцииРецензирование

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Author

Davydov, V. Yu ; Roginskii, E. M. ; Kitaev, Yu E. ; Smirnov, A. N. ; Eliseyev, I. A. ; Nechaev, D. V. ; Jmerik, V. N. ; Smirnov, M. B. / Raman spectra of folded acoustic phonons in short-period GaN/AlN superlattices as a tool for structure characterization. в: Journal of Physics: Conference Series. 2020 ; Том 1697, № 1.

BibTeX

@article{e0dd1e7281d14e4a8747ee3c8fab9451,
title = "Raman spectra of folded acoustic phonons in short-period GaN/AlN superlattices as a tool for structure characterization",
abstract = "The results of experimental and theoretical studies of phonon modes in short-period GaN/AlN superlattices grown by PA MBE on the (0001) Al2O3 substrate are reported. In the framework of Density Functional Theory and Elastic Continuum Model the lattice dynamics properties are studied of (GaN)m(AlN)n SLs (m+n≤24), where n and m are the number of monolayers. Good agreement between experiment and theory is found, which made it possible to establish unambiguously a relationship between the features observed in the Raman spectra and the microscopic nature of the acoustic phonon modes. The obtained results open new possibilities for analyzing the structural properties of GaN/AlN SLs by Raman spectroscopy. ",
author = "Davydov, {V. Yu} and Roginskii, {E. M.} and Kitaev, {Yu E.} and Smirnov, {A. N.} and Eliseyev, {I. A.} and Nechaev, {D. V.} and Jmerik, {V. N.} and Smirnov, {M. B.}",
note = "Publisher Copyright: {\textcopyright} Published under licence by IOP Publishing Ltd. Copyright: Copyright 2020 Elsevier B.V., All rights reserved.; International Conference PhysicA.SPb 2020 ; Conference date: 19-10-2020 Through 23-10-2020",
year = "2020",
month = dec,
day = "17",
doi = "10.1088/1742-6596/1697/1/012158",
language = "English",
volume = "1697",
journal = "Journal of Physics: Conference Series",
issn = "1742-6588",
publisher = "IOP Publishing Ltd.",
number = "1",
url = "http://physica.spb.ru/, http://physica.spb.ru/archive/physicaspb2020/",

}

RIS

TY - JOUR

T1 - Raman spectra of folded acoustic phonons in short-period GaN/AlN superlattices as a tool for structure characterization

AU - Davydov, V. Yu

AU - Roginskii, E. M.

AU - Kitaev, Yu E.

AU - Smirnov, A. N.

AU - Eliseyev, I. A.

AU - Nechaev, D. V.

AU - Jmerik, V. N.

AU - Smirnov, M. B.

N1 - Publisher Copyright: © Published under licence by IOP Publishing Ltd. Copyright: Copyright 2020 Elsevier B.V., All rights reserved.

PY - 2020/12/17

Y1 - 2020/12/17

N2 - The results of experimental and theoretical studies of phonon modes in short-period GaN/AlN superlattices grown by PA MBE on the (0001) Al2O3 substrate are reported. In the framework of Density Functional Theory and Elastic Continuum Model the lattice dynamics properties are studied of (GaN)m(AlN)n SLs (m+n≤24), where n and m are the number of monolayers. Good agreement between experiment and theory is found, which made it possible to establish unambiguously a relationship between the features observed in the Raman spectra and the microscopic nature of the acoustic phonon modes. The obtained results open new possibilities for analyzing the structural properties of GaN/AlN SLs by Raman spectroscopy.

AB - The results of experimental and theoretical studies of phonon modes in short-period GaN/AlN superlattices grown by PA MBE on the (0001) Al2O3 substrate are reported. In the framework of Density Functional Theory and Elastic Continuum Model the lattice dynamics properties are studied of (GaN)m(AlN)n SLs (m+n≤24), where n and m are the number of monolayers. Good agreement between experiment and theory is found, which made it possible to establish unambiguously a relationship between the features observed in the Raman spectra and the microscopic nature of the acoustic phonon modes. The obtained results open new possibilities for analyzing the structural properties of GaN/AlN SLs by Raman spectroscopy.

UR - http://www.scopus.com/inward/record.url?scp=85098331814&partnerID=8YFLogxK

U2 - 10.1088/1742-6596/1697/1/012158

DO - 10.1088/1742-6596/1697/1/012158

M3 - Conference article

AN - SCOPUS:85098331814

VL - 1697

JO - Journal of Physics: Conference Series

JF - Journal of Physics: Conference Series

SN - 1742-6588

IS - 1

M1 - 012158

T2 - International Conference PhysicA.SPb 2020

Y2 - 19 October 2020 through 23 October 2020

ER -

ID: 73026158