English
Related papers

Related papers: Moir\'e structure of MoS$_2$ on Au(111): Local str…

200 papers

There is immense interest in how the local environment influences the electronic structure of materials at the single layer limit. We characterize moir\'e induced spatial variations in the electronic structure of in-situ grown monolayer…

Magnetic adatoms on surfaces are exchange coupled to their environment, inducing fast relaxation of excited spin states and decoherence. These interactions can be suppressed by inserting decoupling layers between the magnetic adsorbate and…

Mesoscale and Nanoscale Physics · Physics 2022-04-01 Sergey Trishin , Christian Lotze , Nils Bogdanoff , Felix von Oppen , Katharina J. Franke

Moir\'e patterns are a central motif in van der Waals heterostructures arising from the superposition of two-dimensional (2D) incommensurate lattices. These patterns reveal a wealth of correlated effects, influencing electronic, magnetic,…

The electronic structure of epitaxial single-layer MoS$_2$ on Au(111) is investigated by angle-resolved photoemission spectroscopy, scanning tunnelling spectroscopy, and first principles calculations. While the band dispersion of the…

The relative orientation (twist) of successive layers of stacked two-dimensional (2D) materials creates variations in the interlayer atomic registry. The variations often form a super lattice, called a moir\'e pattern, which can alter…

Mesoscale and Nanoscale Physics · Physics 2020-08-05 Stephen Carr , Daniel Massatt , Mitchell Luskin , Efthimios Kaxiras

Deposition of MoS2 on (111)-Au alters the electronic properties of MoS2. In this study, we investigate the free-standing MoS2 monolayer and the MoS2~\(111)-Au heterostructure, with and without strain, as well as defects of interest in…

Materials Science · Physics 2024-03-05 Roozbeh Anvari , Wennie Wang

Layered molecular materials and especially MoS2 are already accepted as promising candidates for nanoelectronics. In contrast to the bulk material, the observed electron mobility in single-layer MoS2 is unexpectedly low. Here we reveal the…

Materials Science · Physics 2013-05-30 Andrey N. Enyashin , Maya Bar-Sadan , Lothar Houben , Gotthard Seifert

A two-dimensional (2D) hetero-bilayer system consisting of MoS2 on WSe2, deposited on epitaxial graphene, is studied by scanning tunneling microscopy and spectroscopy at temperatures of 5 and 80 K. A moir\'e pattern is observed, arising…

Using an ab initio density functional theory (DFT) based electronic structure method, we study the effects of adatoms on the electronic properties of monolayer transition metal dichalcogenide (TMD) Molybdenum-disulfide (MoS2). We consider…

Mesoscale and Nanoscale Physics · Physics 2014-04-08 Jiwon Chang , Stefano Larentis , Emanuel Tutuc , Leonard F. Register , Sanjay K. Banerjee

According to electronic structure theory, bilayer graphene is expected to have anomalous electronic properties when it has long-period moir\'e patterns produced by small misalignments between its individual layer honeycomb lattices. We have…

Synthetic materials and heterostructures obtained by the controlled stacking of exfoliated monolayers are emerging as attractive functional materials owing to their highly tunable properties. We present a detailed scanning tunneling…

Mesoscale and Nanoscale Physics · Physics 2023-10-24 Ishita Pushkarna , Árpád Pásztor , Christoph Renner

We present a method for synthesizing large area epitaxial single-layer MoS$_2$ on the Au(111) surface in ultrahigh vacuum. Using scanning tunneling microscopy and low energy electron diffraction, the evolution of the growth is followed from…

Transition metal dichalcogenides (TMDs) attract significant attention as potential building blocks in next-generation electronic devices. On the other hand, a comprehensive understanding of how various defects affect local electronic…

Materials Science · Physics 2026-04-28 Joshua R. Evans , Diego A. Garibay , Aiden N. Kuhls , Mehmet Z. Baykara

Electronic and thermoelectric properties of a two-dimensional MoS2 monolayer containing atomic defects are investigated using density functional theory. All the atomic defects have been found to exhibit endothermic nature. Electronic…

Mesoscale and Nanoscale Physics · Physics 2019-05-17 Munish Sharma , Ashok Kumar , P. K. Ahluwalia

Studying the reason, why single-layer molybdenum disulfide (MoS$_2$) appears to fall short of its promising potential in flexible nanoelectronics, we found that the nature of contacts plays a more important role than the semiconductor…

Materials Science · Physics 2015-06-04 Igor Popov , Gotthard Seifert , David Tománek

Manipulating the interlayer twist angle is a powerful tool to tailor the properties of layered two-dimensional crystals. The twist angle has a determinant impact on these systems' atomistic structure and electronic properties. This includes…

Materials Science · Physics 2023-09-21 Florian M. Arnold , Alireza Ghasemifard , Agnieszka Kuc , Jens Kunstmann , Thomas Heine

Molybdenum disulfide (MoS$_2$) has attracted interest owing to its strain-tuned electronic and optical properties, making it a promising candidate for applications in strain engineering devices. In this study, we investigate the effect of…

Materials Science · Physics 2024-01-26 A. Setiawan , I. P. Handayani , E. Suprayoga

Defects usually play an important role in tuning and modifying various properties of semiconducting or insulating materials. Therefore we study the impact of point and line defects on the electronic structure and optical properties of MoS2…

Mesoscale and Nanoscale Physics · Physics 2017-04-26 Jens Kunstmann , Tsegabirhan B. Wendumu , Gotthard Seifert

Twisted transition-metal dichalcogenides host highly tunable moir\'e potentials, flat bands, and correlated electronic phases, yet the role of disorder in shaping these emergent properties remains largely unresolved. Using scanning…

Mechanical deformations, either spontaneously occurring during sample preparation or purposely induced in their nanoscale manipulation, drastically affect the electronic and optical properties of transition metal dichalcogenide monolayers.…

Materials Science · Physics 2024-02-16 Stefan Velja , Jannis Krumland , Caterina Cocchi
‹ Prev 1 2 3 10 Next ›