Delocalized electron

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Related publications (28)

Surface-to-volume ratio controls the radiation of stratified plasmonic antennas

Olivier Martin, Christian Santschi, Banafsheh Abasahl

Surface plasmons are excited at a metal/dielectric interface, through the coupling between conduction electrons and incident photons. The surface plasmon generation is therefore strongly determined by the accessibility of the surface to the incoming electr ...

2017

High-energy electronic interaction in the 3d band of high-temperature iron-based superconductors

Maryna Viazovska, Helmuth Berger

One of the most unique and robust experimental facts about iron-based superconductors is the renormalization of the electronic band dispersion by factor of 3 and more near the Fermi level. Obviously related to the electron pairing, this prominent deviation ...

2017

Nature of electron trap states under inversion at In0.53Ga0.47As/Al2O3 interfaces

Alfredo Pasquarello, Davide Colleoni

In and Ga impurities substitutional to Al in the oxide layer resulting from diffusion out of the substrate are identified as candidates for electron traps under inversion at In0.53Ga0.47As/Al2O3 interfaces. Through density-functional calculations, these de ...

American Institute of Physics2017

Microscopic Origin of the Valley Hall Effect in Transition Metal Dichalcogenides Revealed by Wavelength-Dependent Mapping

Helmuth Berger

The band structure of many semiconducting monolayer transition metal dichalcogenides (TMDs) possesses two degenerate valleys with equal and opposite Berry curvature. It has been predicted that, when illuminated with circularly polarized light, interband tr ...

Amer Chemical Soc2017

Dramatic pressure-driven enhancement of bulk skyrmion stability

Henrik Moodysson Rønnow, Arnaud Magrez, Ivica Zivkovic, Oleksandr Kriuchkov, Helmuth Berger, Jonathan White

The recent discovery of magnetic skyrmion lattices initiated a surge of interest in the scientific community. Several novel phenomena have been shown to emerge from the interaction of conducting electrons with the skyrmion lattice, such as a topological Ha ...

Nature Research2016

Nonequilibrium localization and the interplay between disorder and interactions

Eduardo Carlo Mascarenhas Moraes

We study the nonequilibrium interplay between disorder and interactions in a closed quantum system. We base our analysis on the notion of dynamical state-space localization, calculated via the Loschmidt echo. Although real-space and state-space localizatio ...

Iop Publishing Ltd2016

Development of prediction models for the reactivity of organic compounds with ozone in aqueous solution by quantum chemical calculations: Role of delocalized and localized molecular orbitals

Urs von Gunten, Minju Lee, Jeremy Samuel Arey, Saskia Gisela Zimmermann-Steffens, Kathrin Fenner

Second-order rate constants (k(O3)) for the reaction of ozone with micropollutants are essential parameters for the assessment of micropollutant elimination efficiency during ozonation in water and wastewater treatment. Prediction models for k(O3) were dev ...

Amer Chemical Soc2015

Dinuclear DOTA-Based Gd-III Chelates - Revisiting a Straightforward Strategy for Relaxivity Improvement

Lothar Helm, Shima Karimi

The need for magnetic resonance imaging (MRI) contrast agents with improved relaxivity maintains the development of new Gd-III chelates as an intensive and demanding field of research. In this work, we introduce the new dimeric chelators bis{1,4,7,10-tetra ...

Wiley-Blackwell2015

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