Hydrostatic-pressure dependence of Raman-active optical phonons in Nd:Mg:LiNbO<inf>3</inf>

M. R. Tejerina; K. Pereira Da Silva; A. R. Goñi; G. A. Torchia

doi:10.1016/j.optmat.2013.10.030

Hydrostatic-pressure dependence of Raman-active optical phonons in Nd:Mg:LiNbO<inf>3</inf>

M. R. Tejerina, K. Pereira Da Silva, A. R. Goñi, G. A. Torchia

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Abstract

In this work, we report the frequency variation of Raman phonon modes of a doped Nd:Mg:LiNbO3 crystal under high hydrostatic pressure up to 6.5 GPa. Whereas most of the phonon modes are not affected by doping, showing the same pressure dependence of their frequency as for undoped LiNbO3, there are three exceptions: The A1(TO)2, the A 1(TO)3 and the E(TO)4 phonons. These modes exhibit a considerably different pressure coefficient, which is mainly attributed to the influence of Mg ions occupying Nb-sites in the lithium niobate matrix. © 2013 Elsevier B.V. All rights reserved.

Original language	English
Pages (from-to)	581-583
Journal	Optical Materials
Volume	36
Issue number	2
DOIs	https://doi.org/10.1016/j.optmat.2013.10.030
Publication status	Published - 1 Jan 2013

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@article{b72f661dea874010a0a222b3e8dd2165,

title = "Hydrostatic-pressure dependence of Raman-active optical phonons in Nd:Mg:LiNbO3",

abstract = "In this work, we report the frequency variation of Raman phonon modes of a doped Nd:Mg:LiNbO3 crystal under high hydrostatic pressure up to 6.5 GPa. Whereas most of the phonon modes are not affected by doping, showing the same pressure dependence of their frequency as for undoped LiNbO3, there are three exceptions: The A1(TO)2, the A 1(TO)3 and the E(TO)4 phonons. These modes exhibit a considerably different pressure coefficient, which is mainly attributed to the influence of Mg ions occupying Nb-sites in the lithium niobate matrix. {\textcopyright} 2013 Elsevier B.V. All rights reserved.",

author = "Tejerina, {M. R.} and {Pereira Da Silva}, K. and Go{\~n}i, {A. R.} and Torchia, {G. A.}",

year = "2013",

month = jan,

day = "1",

doi = "10.1016/j.optmat.2013.10.030",

language = "English",

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journal = "Optical Materials",

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TY - JOUR

T1 - Hydrostatic-pressure dependence of Raman-active optical phonons in Nd:Mg:LiNbO3

AU - Tejerina, M. R.

AU - Pereira Da Silva, K.

AU - Goñi, A. R.

AU - Torchia, G. A.

PY - 2013/1/1

Y1 - 2013/1/1

N2 - In this work, we report the frequency variation of Raman phonon modes of a doped Nd:Mg:LiNbO3 crystal under high hydrostatic pressure up to 6.5 GPa. Whereas most of the phonon modes are not affected by doping, showing the same pressure dependence of their frequency as for undoped LiNbO3, there are three exceptions: The A1(TO)2, the A 1(TO)3 and the E(TO)4 phonons. These modes exhibit a considerably different pressure coefficient, which is mainly attributed to the influence of Mg ions occupying Nb-sites in the lithium niobate matrix. © 2013 Elsevier B.V. All rights reserved.

AB - In this work, we report the frequency variation of Raman phonon modes of a doped Nd:Mg:LiNbO3 crystal under high hydrostatic pressure up to 6.5 GPa. Whereas most of the phonon modes are not affected by doping, showing the same pressure dependence of their frequency as for undoped LiNbO3, there are three exceptions: The A1(TO)2, the A 1(TO)3 and the E(TO)4 phonons. These modes exhibit a considerably different pressure coefficient, which is mainly attributed to the influence of Mg ions occupying Nb-sites in the lithium niobate matrix. © 2013 Elsevier B.V. All rights reserved.

U2 - 10.1016/j.optmat.2013.10.030

DO - 10.1016/j.optmat.2013.10.030

M3 - Article

VL - 36

SP - 581

EP - 583

JO - Optical Materials

JF - Optical Materials

SN - 0925-3467

IS - 2

ER -

Hydrostatic-pressure dependence of Raman-active optical phonons in Nd:Mg:LiNbO<inf>3</inf>

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