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Spontaneous Symmetry Breaking and Dynamic Phase Transition in Monolayer Silicene
Lan Chen, Hui Li, Baojie Feng +5
The (r3xr3)R30° honeycomb of silicene monolayer on Ag(111) was found to undergo a phase transition to two types of mirror-symmetric boundary-separated rhombic phases at temperature…
Local photocurrent generation in thin films of the topological insulator Bi2Se3
C. Kastl, T. Guan, X. Y. He +3
We report on the optoelectronic properties of thin films of Bi2Se3 grown by molecular beam epitaxy. The films are patterned into circuits with typical extensions of tens of microns…
d+id' Chiral Superconductivity in Bilayer Silicene
Feng Liu, Cheng-Cheng Liu, Kehui Wu +2
We investigate the structure and physical properties of the undoped bilayer silicene through first-principles calculations and find the system is intrinsically metallic with sizabl…
Evidence for Dirac Fermions in a honeycomb lattice based on silicon
Lan Chen, Cheng-Cheng Liu, Baojie Feng +6
Silicene, a sheet of silicon atoms in a honeycomb lattice, was proposed to be a new Dirac-type electron system similar as graphene. We performed scanning tunneling microscopy and s…
Evidence of silicene in honeycomb structures of silicon on Ag(111)
Baojie Feng, Zijing Ding, Sheng Meng +5
In the search for evidence of silicene, a two-dimensional honeycomb lattice of silicon, it is important to obtain a complete picture for the evolution of Si structures on Ag(111),…