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5 papers · 2 filters
Thermal Dynamics of Graphene Edges Investigated by Polarized Raman Spectroscopy
Ya Nan Xu, Da Zhan, Lei Liu +5
In this report, we present Raman spectroscopy investigation of the thermal stability and dynamics of graphene edges. It was found that graphene edges (both armchair and zigzag) are…
Gold on graphene as a substrate for surface enhanced Raman scattering study
Yingying Wang, Zhenhua Ni, Hailong Hu +5
In this paper, we report our study on gold (Au) films with different thicknesses deposited on single layer graphene (SLG) as surface enhanced Raman scattering (SERS) substrates for…
FeCl3 based Few-Layer Graphene Intercalation Compounds: Single Linear Dispersion Electronic Band Structure and Strong Charge Transfer Doping
Da Zhan, Li Sun, Zhenhua Ni +7
Graphene has attracted great attentions since its first discovery in 2004. Various approaches have been proposed to control its physical and electronic properties. Here, we report…
Stacking Dependent Optical Conductivity of Bilayer Graphene
Yingying Wang, Zhenhua Ni, Lei Liu +6
The optical conductivities of graphene layers are strongly dependent on their stacking orders. Our first-principle calculations show that while the optical conductivities of single…
Enhancement of ferroelectricity in Cr-doped Ho_2Ti_2O_7
X. W. Dong, S. Dong, K. F. Wang +2
A series of polycrystalline pyrochlore rare-earth titanate Ho_{2-x}Cr_xTi_2O_7 are synthesized in order to enhance the ferroelectricity of pyrochlore Ho2Ti2O7. For the sample close…