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8 papers
Electron Holographic Mapping of Structural and Electronic Reconstruction at Mono- and Bilayer Steps of h-BN
Subakti Subakti, Mohammadreza Daqiqshirazi, Daniel Wolf +7
Here, by making use of medium and high resolution autocorrected off-axis electron holography, we directly probe the electrostatic potential as well as in-plane and out-of-plane cha…
Stacking polymorphism in PtSe drastically affects its electromechanical properties
Roman Kempt, Sebastian Lukas, Oliver Hartwig +8
PtSe is one of the most promising materials for the next generation of piezoresistive sensors. However, the large-scale synthesis of homogeneous thin films with reproducible el…
Electronic Structures of Two-Dimensional PC6-Type Materials
Maximilian A. Springer, Thomas Brumme, Agnieszka Kuc +1
Two-dimensional (2D) materials may exhibit intriguing band structure features (e.g., Dirac points), that lay far away from the Fermi level. They are, thus, not usable in applicatio…
Strong band-filling-dependence of the scattering lifetime in gated MoS2 nanolayers induced by the opening of intervalley scattering channels
Davide Romanin, Thomas Brumme, Dario Daghero +2
Gated molybdenum disulphide (MoS2) exhibits a rich phase diagram upon increasing electron doping, including a superconducting phase, a polaronic reconstruction of the bandstructure…
Artificial Relativistic Molecules
Jae Whan Park, Hyo Sung Kim, Thomas Brumme +2
We fabricate artificial molecules composed of heavy atom lead on a van der Waals crystal. Pb atoms templated on a honeycomb charge-order superstructure of IrTe2 form clusters rangi…
Electron-Phonon-Driven Three-Dimensional Metallicity in an Insulating Cuprate
Edoardo Baldini, Michael A. Sentef, Swagata Acharya +9
The role of the crystal lattice for the electronic properties of cuprates and other high-temperature superconductors remains controversial despite decades of theoretical and experi…