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Fig. 5 | Nanoscale Research Letters

Fig. 5

From: First-Principles Study on the Stability and STM Image of Borophene

Fig. 5

Simulated STM images of freestanding and epitaxial boron sheets on Ag(111) surface. Freestanding a triangular, b β12, and c χ3 boron sheets. Partial charge density of freestanding d triangular, e β12, and f χ3 boron sheets. g Buckled triangular, h β12, i χ3, and j χ3’ boron sheet on the Ag(111) surface. The bias voltage is 1.0 V. The green balls represent the boron atoms. The rectangles and rhombus enclosed by solid red lines denote the unit cells of freestanding and as-grown boron sheets on Ag(111) surface, respectively. Experimentally observed k stripe phase in Ref. [22], l stripe phase in Ref. [23], and m homogeneous phase in Ref. [23]

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