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Sign of differential reflection and transmission in pump-probe spectroscopy of graphene on dielectric substrate
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作者 Chengmin Gao Xin Zhao +5 位作者 Jun Yao Xiao-Qing Yan Xiang-Tian Kong Yongsheng Chen Zhi-Bo Liu Jian-Guo Tian 《Photonics Research》 SCIE EI 2015年第2期1-9,共9页
Pump-probe differential reflection and transmission spectroscopy is a very effective tool to study the nonequilibrium carrier dynamics of graphene. The reported sign of differential reflection from graphene is not exp... Pump-probe differential reflection and transmission spectroscopy is a very effective tool to study the nonequilibrium carrier dynamics of graphene. The reported sign of differential reflection from graphene is not explicitly explained and not consistent. Here, we study the differential reflection and transmission signals of graphene on a dielectric substrate. The results reveal the sign of differential reflection changes with the incident direction of the probe beam with respect to the substrate. The obtained theory can be applied to predict the differential signals of other two-dimensional materials placed on various dielectric substrates. 展开更多
关键词 Sign of differential reflection and transmission in pump-probe spectroscopy of graphene on dielectric substrate Case
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Joining Hands in Communication
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作者 Zhao Wei 《Beijing Review》 2015年第28期20-23,共4页
The China-Russia Media Forum was convened in St.Petersburg,Russia,on June 25,resulting in several major Chinese and Russian media organizations signing a number of cooperation agreements.
关键词 Russia cooperation signing publications Minister dissemination bilateral launch strengthen reflecting
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