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

Shanghai Jiao Tong University
CAS - Shanghai Institute of Ceramics

科研成果: 期刊稿件 › 文章 › 同行评审

42 引用（Scopus）

摘要

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.

源语言	英语
期刊论文编号	191910
期刊	Applied Physics Letters
卷	92
期	19
DOI	https://doi.org/10.1063/1.2930676
出版状态	已出版 - 2008
已对外发布	是

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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.",

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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.

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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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