Mechanism of monolayer to bilayer silicene transformation in CaSi2 due to fluorine diffusion
Physical Chemistry Chemical Physics(2021)
摘要
The mechanism by which fluorine (F) diffusion into CaSi2 leads to a phase transformation from monolayers of silicene (MLSi) to bilayer silicene (BLSi) was revealed using HAADF–STEM observations and DFT calculations.
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关键词
silicene transformation,monolayer,bilayer,casi2
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