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Raman spectra and phonon modes of MgxZn1-xO alloy films (EI CONFERENCE)

文献类型：会议论文

作者Wei Z. P. ; Lu Y. M. ; Shen D. Z. ; Zhang Z. Z. ; Wu C. X. ; Zhang J. Y. ; Yao B. ; Fan X. W.
出版日期2006
会议名称12th International Conference on II-VI Compounds, September 12, 2005 - September 16, 2005
会议地点Warsaw, Poland
关键词Hexagonal MgxZn1-xO alloy layers with 0 &le 0.3 have been grown by plasma-assisted molecular beam epitaxy on sapphire (006) and Si (111) substrates. Their crystal structures are characterized by x-ray diffraction spectroscopy. The nonresonant and resonant Raman spectra were measured using 488 nm line from Ar+ laser and 325 nm line from He-Cd laser by backscattering geometry. Four Raman modes (E2 high LO TO multiphonon processes) were observed in the nonresonant Raman spectra of hexagonal MgxZn1-xO with different Mg contents. The optical phonon frequencies were found to display one-mode behaviour for all the samples since no separate ZnO- and MgO-like modes were observed. The long-wavelength frequencies of ZnO-like optical phonons measured in the resonant Raman spectra can be expressed as linear functions of x. These behaviours can be explained within a modified random-element-isodisplacement model (MREI). 2006 WILEY-VCH Verlag GmbH Co. KGaA.
页码1168-1171
收录类别EI
源URL[http://ir.ciomp.ac.cn/handle/181722/32975]  
专题长春光学精密机械与物理研究所_中科院长春光机所知识产出_会议论文
推荐引用方式
GB/T 7714		 Wei Z. P.,Lu Y. M.,Shen D. Z.,et al. Raman spectra and phonon modes of MgxZn1-xO alloy films (EI CONFERENCE)[C]. 见:12th International Conference on II-VI Compounds, September 12, 2005 - September 16, 2005. Warsaw, Poland.

入库方式： OAI收割

来源：长春光学精密机械与物理研究所

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