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Main Authors: Sato, Yusuke, Fukaya, Yuki, Nakano, Akito, Hoshi, Takeo, Lee, Chi-Cheng, Yoshimi, Kazuyoshi, Ozaki, Taisuke, Nakashima, Takeru, Ando, Yasunobu, Aoyama, Hiroaki, Abukawa, Tadashi, Tsujikawa, Yuki, Horio, Masafumi, Niibe, Masahito, Komori, Fumio, Matsuda, Iwao
Format: Preprint
Published: 2024
Subjects:
Materials Science
Online Access:https://arxiv.org/abs/2409.19666
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Table of Contents:
  • 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).

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