Bulletin of the American Physical Society
APS March Meeting 2018
Volume 63, Number 1
Monday–Friday, March 5–9, 2018; Los Angeles, California
Session H17: Surface and Interface Studies of Transition Metal Chalcogenides
2:30 PM–5:18 PM,
Tuesday, March 6, 2018
LACC
Room: 306A
Sponsoring
Units:
DCMP DMP
Chair: Dan Dougherty, North Carolina State University
Abstract ID: BAPS.2018.MAR.H17.1
Abstract: H17.00001 : Correlating Morphology and Electronic Structure of MoS2 on Au(111)
2:30 PM–2:42 PM
Presenter:
Caio Silva
(Institut für Materialphysik, Universität Münster)
Authors:
Caio Silva
(Institut für Materialphysik, Universität Münster)
Daniela Dombrowski
(Institut für Materialphysik, Universität Münster)
Nicolae Atodiresei
(Peter Grünberg Institut (PGI) and Institute for Advanced Simulation (IAS), Forschungszentrum Jülich and JARA)
Wouter Jolie
(II. Physikalisches Institut, Universität zu Köln)
Ferdinand Farwick zum Hagen
(II. Physikalisches Institut, Universität zu Köln)
Pardeep Thakur
(Diamond Light Source)
Vasile Caciuc
(Peter Grünberg Institut (PGI) and Institute for Advanced Simulation (IAS), Forschungszentrum Jülich and JARA)
Thomas Michely
(II. Physikalisches Institut, Universität zu Köln)
Stefan Bluegel
(Peter Grünberg Institut (PGI) and Institute for Advanced Simulation (IAS), Forschungszentrum Jülich and JARA)
Tien-Lin Lee
(Diamond Light Source)
Carsten Busse
(Department Physik, Universität Siegen)
In the present work, the morphology and electronic structure of single-layer MoS2 epitaxially grown on Au(111) are studied by means of x-ray standing waves (XSW), scanning tunneling spectroscopy (STS) and first-principles calculations based on density functional theory (DFT). The XSW data and the DFT model indicate a nearly flat, weakly interacting layer of MoS2 with a peak-to-peak corrugation of only 0.3 Å and a large separation of approximately 2.7 Å between the Au(111) surface and the bottom sulfur layer in the MoS2. Still, the local probe of STS measurements shows the changes in the electronic structure along the moiré unit cell caused by the site-dependent interaction.
To cite this abstract, use the following reference: http://meetings.aps.org/link/BAPS.2018.MAR.H17.1
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