Resonant Raman scattering probe of alloying effect in ZnMgO thin films

J. F. Kong; W. Z. Shen; Y. W. Zhang; C. Yang; X. M. Li

doi:10.1063/1.2930676

Resonant Raman scattering probe of alloying effect in ZnMgO thin films

J. F. Kong
, W. Z. Shen
, Y. W. Zhang
, C. Yang
, X. M. Li

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

42 Scopus citations

Abstract

We have presented a detailed resonant Raman scattering investigation for the alloying effect in hexagonal Zn1-x Mgx O (x≤0.323) thin films grown by pulsed laser deposition. Alloy-induced longitudinal optical (LO) phonon resonance effect has been achieved from the Raman peak shift, lineshape, and intensity through changing the Mg composition and temperature to tune the ZnMgO bandgap. By the aid of theoretical analysis combining with the extrinsic Fröhlich interaction mediated via a localized exciton, we demonstrate the pronounced outgoing resonance behavior for the LO phonons in ZnMgO, where the localized exciton due to alloy disorder dominates the resonance processes.

Original language	English
Article number	191910
Journal	Applied Physics Letters
Volume	92
Issue number	19
DOIs	https://doi.org/10.1063/1.2930676
State	Published - 2008
Externally published	Yes

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title = "Resonant Raman scattering probe of alloying effect in ZnMgO thin films",

abstract = "We have presented a detailed resonant Raman scattering investigation for the alloying effect in hexagonal Zn1-x Mgx O (x≤0.323) thin films grown by pulsed laser deposition. Alloy-induced longitudinal optical (LO) phonon resonance effect has been achieved from the Raman peak shift, lineshape, and intensity through changing the Mg composition and temperature to tune the ZnMgO bandgap. By the aid of theoretical analysis combining with the extrinsic Fr{\"o}hlich interaction mediated via a localized exciton, we demonstrate the pronounced outgoing resonance behavior for the LO phonons in ZnMgO, where the localized exciton due to alloy disorder dominates the resonance processes.",

author = "Kong, \{J. F.\} and Shen, \{W. Z.\} and Zhang, \{Y. W.\} and C. Yang and Li, \{X. M.\}",

year = "2008",

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T1 - Resonant Raman scattering probe of alloying effect in ZnMgO thin films

AU - Kong, J. F.

AU - Shen, W. Z.

AU - Zhang, Y. W.

AU - Yang, C.

AU - Li, X. M.

PY - 2008

Y1 - 2008

N2 - We have presented a detailed resonant Raman scattering investigation for the alloying effect in hexagonal Zn1-x Mgx O (x≤0.323) thin films grown by pulsed laser deposition. Alloy-induced longitudinal optical (LO) phonon resonance effect has been achieved from the Raman peak shift, lineshape, and intensity through changing the Mg composition and temperature to tune the ZnMgO bandgap. By the aid of theoretical analysis combining with the extrinsic Fröhlich interaction mediated via a localized exciton, we demonstrate the pronounced outgoing resonance behavior for the LO phonons in ZnMgO, where the localized exciton due to alloy disorder dominates the resonance processes.

AB - We have presented a detailed resonant Raman scattering investigation for the alloying effect in hexagonal Zn1-x Mgx O (x≤0.323) thin films grown by pulsed laser deposition. Alloy-induced longitudinal optical (LO) phonon resonance effect has been achieved from the Raman peak shift, lineshape, and intensity through changing the Mg composition and temperature to tune the ZnMgO bandgap. By the aid of theoretical analysis combining with the extrinsic Fröhlich interaction mediated via a localized exciton, we demonstrate the pronounced outgoing resonance behavior for the LO phonons in ZnMgO, where the localized exciton due to alloy disorder dominates the resonance processes.

UR - https://www.scopus.com/pages/publications/44049105669

U2 - 10.1063/1.2930676

DO - 10.1063/1.2930676

M3 - 文章

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SN - 0003-6951

VL - 92

JO - Applied Physics Letters

JF - Applied Physics Letters

IS - 19

M1 - 191910

ER -

Resonant Raman scattering probe of alloying effect in ZnMgO thin films

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