Mechanism of asymmetric lineshape broadening in GaAs_(1-x)N_x Raman spectra

Aleksej Mialitsin; Brian Fluegel; Aaron Ptak; Angelo Mascarenhas

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Mechanism of asymmetric lineshape broadening in GaAs_(1-x)N_x Raman spectra

机译：GaAs_（1-x）N_x拉曼光谱中不对称线形展宽的机理

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Resonance Raman spectroscopy is used to probe the asymmetric broadening of the LO phonon linewidth in a dilute GaAs_(1-x)N_x alloy (x = 0.41%). Electronic Raman scattering from a broad continuum is observed that gets enhanced concurrently with the LO phonon linewidth under resonance. The Fano interaction between the LO phonon and the electronic continuum is used to develop a model that satisfactorily explains the origin of the asymmetric LO phonon linewidth broadening in this abnormal alloy as arising due to coupling between the discrete and the continuum configurations.

机译：共振拉曼光谱用于探测稀GaAs_（1-x）N_x合金（x = 0.41％）中LO声子线宽的不对称加宽。观察到来自广泛连续体的电子拉曼散射在共振条件下与LO声子线宽同时增加。 LO声子和电子连续体之间的Fano相互作用用于建立一个模型，该模型令人满意地解释了这种不对称合金中不对称LO声子线宽变宽的起源，这是由于离散和连续体构型之间的耦合引起的。

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《Physical review》 |2012年第4期|p.045209.1-045209.7|共7页
作者
Aleksej Mialitsin; Brian Fluegel; Aaron Ptak; Angelo Mascarenhas;
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作者单位

National Renewable Energy Laboratory, 15013 Denver West Parkway, Golden, Colorado 80401, USA;

National Renewable Energy Laboratory, 15013 Denver West Parkway, Golden, Colorado 80401, USA;

National Renewable Energy Laboratory, 15013 Denver West Parkway, Golden, Colorado 80401, USA;

National Renewable Energy Laboratory, 15013 Denver West Parkway, Golden, Colorado 80401, USA;

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正文语种 eng
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infrared and raman spectra;

机译：红外光谱和拉曼光谱;

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1. H irradiation effects on the GaAs-like Raman modes in GaAs_(1-x)N_x/GaAs_(1-x)N_x: H planar heterostructures [J] . E. Giulotto, M. Geddo, M. Patrini, Journal of Applied Physics . 2014,第24期

机译：H辐射对GaAs_（1-x）N_x / GaAs_（1-x）N_x中GaAs类拉曼模的影响：H平面异质结构
2. Resonant Raman scattering spectroscopy of GaP_(1-x)N_x and GaAs_(1-x)N_x in the ultraviolet range [J] . S. Yoon, J. F. Geisz, Sung-Ho Han, Physical review. B, Condensed Matter And Materals Physics . 2005,第15期

机译：GaP_（1-x）N_x和GaAs_（1-x）N_x在紫外范围内的共振拉曼散射光谱
3. Strain related relaxation of the GaAs-like Raman mode selection rules in hydrogenated GaAs_(1-x)N_x layers [J] . Giulotto E., Geddo M., Patrini M., Journal of Applied Physics . 2019,第17期

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4. Study of asymmetric broadening of Raman scattering in In/sub x/Ga/sub 1-x/As/InP and In/sub x/Ga/sub 1-x/As/GaAs epilayers [C] . Shen, J.L., Chang, Indium Phosphide and Related Materials, 1994. Conference Proceedings., Sixth International Conference on . 1994

机译：In / sub x / Ga / sub 1-x / As / InP和In / sub x / Ga / sub 1-x / As / GaAs外延层中拉曼散射的不对称展宽研究
5. INELASTIC LIGHT SCATTERING IN DILUTED MAGNETIC SEMICONDUCTORS: RAMAN SPECTRA OF CADMIUM(1-X)MANGANESE(X)TELLURIDE. [D] . PETROU, ATHOS CHARITONOS. 1983

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6. Protein dynamics. Vibrational coupling spectral broadening mechanisms and anharmonicity effects in carbonmonoxy heme proteins studied by the temperature dependence of the Soret band lineshape. [O] . A Di Pace, A Cupane, M Leone, 1992

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Mechanism of asymmetric lineshape broadening in GaAs_(1-x)N_x Raman spectra

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