层状WS 2 的拉曼张量(英文)
发布时间:2022-02-20 01:28
为完善范德瓦尔斯层状材料有关于拉曼张量的基本信息,本文采用角分辨偏振拉曼光谱对二硫化钨的拉曼张量进行研究.根据拉曼选择定则,我们分析了角分辨拉曼光谱与偏振的依赖关系,并结合实验结果获得了面内和面外各振动模式的拉曼张量元和与张量元对应的微分极化率等信息.实验结果表明,截面测试得到的拉曼强度具有偏振依赖性,其中沿c轴振动的A1g模式引起的微分极化率明显大于E1g和E2g模式,并且A1g模式自身在沿c轴的极化率也较沿a轴或b轴的大.这种通过角分辨偏振拉曼光谱研究拉曼张量的方法对其他范德瓦尔斯层状材料具有普遍性.
【文章来源】:Science China Materials. 2020,63(09)EISCICSCD
【文章页数】:7 页
【参考文献】:
期刊论文
[1]Raman spectroscopy regulation in van der Waals crystals[J]. WEI ZHENG,YANMING ZHU,FADI LI,FENG HUANG. Photonics Research. 2018(11)
[2]Elucidation of “phase difference” in Raman tensor formalism[J]. WEI ZHENG,JINGSHEN YAN,FADI LI,FENG HUANG. Photonics Research. 2018(07)
[3]Raman tensor of AlN bulk single crystal[J]. Wei Zheng,Ruisheng Zheng,Feng Huang,Honglei Wu,Fadi Li. Photonics Research. 2015(02)
本文编号:3634024
【文章来源】:Science China Materials. 2020,63(09)EISCICSCD
【文章页数】:7 页
【参考文献】:
期刊论文
[1]Raman spectroscopy regulation in van der Waals crystals[J]. WEI ZHENG,YANMING ZHU,FADI LI,FENG HUANG. Photonics Research. 2018(11)
[2]Elucidation of “phase difference” in Raman tensor formalism[J]. WEI ZHENG,JINGSHEN YAN,FADI LI,FENG HUANG. Photonics Research. 2018(07)
[3]Raman tensor of AlN bulk single crystal[J]. Wei Zheng,Ruisheng Zheng,Feng Huang,Honglei Wu,Fadi Li. Photonics Research. 2015(02)
本文编号:3634024
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