Surface structure of the 3×3-Si phase on Al(111), studied by the multiple usages of positron diffraction and core-level photoemission spectroscopy

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題名:	Surface structure of the 3×3-Si phase on Al(111), studied by the multiple usages of positron diffraction and core-level photoemission spectroscopy
作者:	Lee, Chi-cheng
日期:	2024-09-29
上傳時間:	2025-01-08 12:05:15 (UTC+8)
摘要:	The structure of an Al(111)3x3-Si surface was examined by combining data from positron diffraction and core-level photoemission spectroscopy. Analysis of the diffraction rocking curves indicated that the overlayer had a flat honeycomb lattice structure. Simulations of Si core-level spectra calculated via the first-principles indicated that one of the Si atoms in the unit cell was replaced by an Al atom. The surface superstructure was thus a two-dimensional layer of Al-embedded silicene on Al(111).
關聯:	Materials Science 9,　014002
DOI:	10.48550/arXiv.2409.19666
顯示於類別:	[物理學系暨研究所] 期刊論文

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