Abstract

There has been a puzzling less-ordered phase in silicene formed on Ag surface---the T phase. Using high-resolution atomic force microscopy, the authors revealed that the T phase has a continuous Si honeycomb arrangement, thus forming a complete silicene sheet. They also found two types of T phase; one of which is identified by the tessellation with four different rhombi. Finding such a quasiperiodic phase of silicene might open new prospects in the field of monolayer materials.

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