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Phonons and their dispersion in model ferroelastics Hg 2Hal 2. / Roginskii, E. M.; Kvasov, A. A.; Markov, Yu F.; Smirnov, M. B.

In: Physics of the Solid State, Vol. 54, No. 5, 01.05.2012, p. 900-904.

Research output: Contribution to journal › Article › peer-review

Harvard

Roginskii, EM, Kvasov, AA, Markov, YF & Smirnov, MB 2012, 'Phonons and their dispersion in model ferroelastics Hg 2Hal 2', Physics of the Solid State, vol. 54, no. 5, pp. 900-904. https://doi.org/10.1134/S1063783412050356

APA

Roginskii, E. M., Kvasov, A. A., Markov, Y. F., & Smirnov, M. B. (2012). Phonons and their dispersion in model ferroelastics Hg 2Hal 2. Physics of the Solid State, 54(5), 900-904. https://doi.org/10.1134/S1063783412050356

Vancouver

Roginskii EM, Kvasov AA, Markov YF, Smirnov MB. Phonons and their dispersion in model ferroelastics Hg 2Hal 2. Physics of the Solid State. 2012 May 1;54(5):900-904. https://doi.org/10.1134/S1063783412050356

Author

Roginskii, E. M. ; Kvasov, A. A. ; Markov, Yu F. ; Smirnov, M. B. / Phonons and their dispersion in model ferroelastics Hg 2Hal 2. In: Physics of the Solid State. 2012 ; Vol. 54, No. 5. pp. 900-904.

BibTeX

@article{26767a846e8f4427ac34c137fce377f3,
title = "Phonons and their dispersion in model ferroelastics Hg 2Hal 2",
abstract = "Dispersion relations of the acoustic and optical phonon frequencies have been calculated and plotted, and the density of states of the phonon spectrum of Hg 2Cl 2 and Hg 2Br 2 crystals has been derived. The effect of hydrostatic pressure on the frequencies of acoustic and optical phonons and their dispersion has been theoretically analyzed. It has been found that an increase in the pressure leads to a strong softening of the slowest acoustic TA branch (the soft mode) at the X point of the Brillouin zone boundary, which is consistent with the phenomenological Landau theory and correlates with experiment.",
author = "Roginskii, {E. M.} and Kvasov, {A. A.} and Markov, {Yu F.} and Smirnov, {M. B.}",
year = "2012",
month = may,
day = "1",
doi = "10.1134/S1063783412050356",
language = "English",
volume = "54",
pages = "900--904",
journal = "Physics of the Solid State",
issn = "1063-7834",
publisher = "МАИК {"}Наука/Интерпериодика{"}",
number = "5",

}

RIS

TY - JOUR

T1 - Phonons and their dispersion in model ferroelastics Hg 2Hal 2

AU - Roginskii, E. M.

AU - Kvasov, A. A.

AU - Markov, Yu F.

AU - Smirnov, M. B.

PY - 2012/5/1

Y1 - 2012/5/1

N2 - Dispersion relations of the acoustic and optical phonon frequencies have been calculated and plotted, and the density of states of the phonon spectrum of Hg 2Cl 2 and Hg 2Br 2 crystals has been derived. The effect of hydrostatic pressure on the frequencies of acoustic and optical phonons and their dispersion has been theoretically analyzed. It has been found that an increase in the pressure leads to a strong softening of the slowest acoustic TA branch (the soft mode) at the X point of the Brillouin zone boundary, which is consistent with the phenomenological Landau theory and correlates with experiment.

AB - Dispersion relations of the acoustic and optical phonon frequencies have been calculated and plotted, and the density of states of the phonon spectrum of Hg 2Cl 2 and Hg 2Br 2 crystals has been derived. The effect of hydrostatic pressure on the frequencies of acoustic and optical phonons and their dispersion has been theoretically analyzed. It has been found that an increase in the pressure leads to a strong softening of the slowest acoustic TA branch (the soft mode) at the X point of the Brillouin zone boundary, which is consistent with the phenomenological Landau theory and correlates with experiment.

UR - http://www.scopus.com/inward/record.url?scp=84861444884&partnerID=8YFLogxK

U2 - 10.1134/S1063783412050356

DO - 10.1134/S1063783412050356

M3 - Article

AN - SCOPUS:84861444884

VL - 54

SP - 900

EP - 904

JO - Physics of the Solid State

JF - Physics of the Solid State

SN - 1063-7834

IS - 5

ER -

ID: 36168663