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Title: Kagome-like silicene: A novel exotic form of two-dimensional epitaxial silicon
Authors: Sassa, Yasmine
Johansson, Fredrik O. L.
Lindblad, Andreas
Yazdi, Milad G.
Simonov, Konstantin
Weissenrieder, Jonas
Le Lay, Guy
İyikanat, Fadıl
Şahin, Hasan
Keywords: 2D materials
Scanning tunneling microscopy
DFT calculations
Angularresolved photoelectrons spectroscopy
Issue Date: 2020
Publisher: Elsevier
Abstract: Since the discovery of graphene, intensive efforts have been made in search of novel two-dimensional (2D) materials. Decreasing the materials dimensionality to their ultimate thinness is a promising route to unveil new physical phenomena, and potentially improve the performance of devices. Among recent 2D materials, analogs of graphene, the group IV elements have attracted much attention for their unexpected and tunable physical properties. Depending on the growth conditions and substrates, several structures of silicene, germanene, and stanene can be formed. Here, we report the synthesis of a Kagome-like lattice of silicene on aluminum (1 1 1) substrates. We provide evidence of such an exotic 2D Si allotrope through scanning tunneling microscopy (STM) observations, high-resolution core-level (CL) and angle-resolved photoelectron spectroscopy (ARPES) measurements, along with Density Functional Theory calculations.
ISSN: 0169-4332
Appears in Collections:Photonics / Fotonik
Scopus İndeksli Yayınlar Koleksiyonu / Scopus Indexed Publications Collection
WoS İndeksli Yayınlar Koleksiyonu / WoS Indexed Publications Collection

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