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Type: Artigo de Periódico
Title: Surface Structure Determination Of Black Phosphorus Using Photoelectron Diffraction
Author: de Lima
LH; Barreto
L; Landers
R; de Siervo
Abstract: The atomic structure of single-crystalline black phosphorus is studied using high-resolution synchrotron-based photoelectron diffraction (XPD). The results show that the topmost phosphorene layer in the black phosphorus is slightly displaced compared to the bulk structure and presents a small contraction in the direction perpendicular to the surface. Furthermore, the XPD results show the presence of a small buckling among the surface atoms, in agreement with previously reported scanning tunneling microscopy results. The contraction of the surface layer added to the presence of the buckling indicates a uniformity in the size of the sp(3) bonds between P atoms at the surface.
Subject: Electric-field
Rights: fechado
Identifier DOI: 10.1103/PhysRevB.93.035448
Date Issue: 2016
Appears in Collections:Unicamp - Artigos e Outros Documentos

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