Titanium Self-Intercalation Induced Formation of Orthogonal (1 × 1) Edge/Surface Reconstruction in 1T-TiSe2: Atomic Scale Dynamics and Mechanistic Study
Daliang He,
Yonghui Zheng,
Degong Ding
et al.
Abstract:Edges and surfaces play indispensable roles in affecting the chemical−physical properties of materials, particularly in two-dimensional transition metal dichalcogenides (TMDCs) with reduced dimensionality. Herein, we report a novel edge/ surface structure in multilayer 1T-TiSe 2 , i.e., the orthogonal (1 × 1) reconstruction, induced by the self-intercalation of Ti atoms into interlayer octahedral sites of the host TiSe 2 at elevated temperature. Formation dynamics of the reconstructed edge/ surface are capture… Show more
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