2.5k citations
Counting papers with at most 25 authors, so collaboration author lists do not stand in for the people here.
- ETH ZurichCH630 papers
- Paul Scherrer InstituteCH136 papers
- École Polytechnique Fédérale de LausanneCH61 papers
- University of ZurichCH45 papers
- University of RegensburgDE44 papers
- Institute of PhysicsPL39 papers
- Centre National de la Recherche ScientifiqueFR37 papers
- Swiss Light Source37 papers
- Polish Academy of SciencesPL36 papers
- P.L. Kapitza Institute for Physical ProblemsRU26 papers
- National Institute for Materials ScienceJP25 papers
- University of GenevaCH23 papers
36 papers · 1 filter
Phonon spectral density in a GaAs/AlGaAs double quantum dot
Andrea Hofmann, Christian Karlewski, Andreas Heimes +6
We study phonon emission in a GaAs/AlGaAs double quantum dot by monitoring the tunneling of a single electron between the two dots. We prepare the system such that a known amount o…
Microwave dynamics of pure and doped anisotropic S=1 chain antiferromagnet NiCl2-4SC(NH2)2
T. A. Soldatov, A. I. Smirnov, K. Yu. Povarov +2
We studied electron spin resonance in a quantum magnet NiCl2-4SC(NH2)2, demonstrating a field-induced quantum phase transition from a quantum-disordered phase to an antiferromagnet…
Self-consistent two-gap approach in studying multi-band superconductivity in NdFeAsOF
Ritu Gupta, Alexander Maisuradze, Nikolai D. Zhigadlo +3
High-quality single crystals of NdFeAsOF (the transition temperature ~K) were studied in zero-field (ZF) and transverse-field (TF) muon-spi…
Real-time detection of every Auger recombination in a self-assembled quantum dot
Pia Lochner, Annika Kurzmann, Jens Kerski +6
Auger recombination is a non-radiative process, where the recombination energy of an electron-hole pair is transferred to a third charge carrier. It is a common effect in colloidal…
Two Coupled Chains are Simpler than One: Field-induced Chirality in a Frustrated Quantum Spin Ladder
M. Pikulski, T. Shiroka, F. Casola +5
Although the frustrated spin chain (zigzag chain) is a Drosophila of frustrated magnetism, the understanding of a pair of coupled zigzag chains (frustrated spin ladder) in a magnet…
Coupled Magnetic and Superconducting Transitions in SrVOFeAs Under Pressure
S. Holenstein, F. Hummel, Z. Guguchia +11
We report muon spin rotation (SR) and magnetization measurements on superconducting SrVOFeAs under pressure. At ambient pressure, SrVOFeAs undergoes an a…
Gap Opening in Twisted Double Bilayer Graphene by Crystal fields
Peter Rickhaus, Giulia Zheng, Jose L. Lado +12
Crystal fields occur due to a potential difference between chemically different atomic species. In Van-der-Waals heterostructures such fields are naturally present perpendicular to…
Electron-Hole Interference in an Inverted-Band Semiconductor Bilayer
Matija Karalic, Antonio Štrkalj, Michele Masseroni +7
Electron optics in the solid state promises new functionality in electronics through the possibility of realizing micrometer-sized interferometers, lenses, collimators and beam spl…
Fully automated identification of 2D material samples
Eliska Greplova, Carolin Gold, Benedikt Kratochwil +7
Thin nanomaterials are key constituents of modern quantum technologies and materials research. Identifying specimens of these materials with properties required for the development…
Large multi-directional spin-to-charge conversion in low symmetry semimetal MoTe at room temperature
C. K. Safeer, Nerea Ontoso, Josep Ingla-Aynés +11
Efficient and versatile spin-to-charge current conversion is crucial for the development of spintronic applications, which strongly rely on the ability to electrically generate and…
Observation of quantum Hall interferometer phase jumps due to changing quasiparticle number
Marc P. Röösli, Lars Brem, Benedikt Kratochwil +10
We measure the magneto-conductance through a micron-sized quantum dot hosting about 500 electrons in the quantum Hall regime. In the Coulomb blockade, when the island is weakly cou…
Lifetimes and quantum efficiencies of quantum dots deterministically positioned in photonic-crystal waveguides
Xiao-Liu Chu, Tommaso Pregnolato, Rüdiger Schott +4
Interfacing single emitters and photonic nanostructures enables modifying their emission properties, such as enhancing individual decay rates or controlling the emission direction.…
Images of a first order spin-reorientation phase transition in a metallic kagome ferromagnet
Kevin Heritage, Ben Bryant, Laura A. Fenner +3
First order phase transitions, where one phase replaces another by virtue of a simple crossing of free energies, are best known between solids, liquids and vapours, but they also o…
An open-source, end-to-end workflow for multidimensional photoemission spectroscopy
Rui Patrick Xian, Yves Acremann, Steinn Ymir Agustsson +15
Characterization of the electronic band structure of solid state materials is routinely performed using photoemission spectroscopy. Recent advancements in short-wavelength light so…
A Gate-Defined Quantum Point Contact in an InAs Two-Dimensional Electron Gas
Christopher Mittag, Matija Karalic, Zijin Lei +7
We experimentally study quantized conductance in an electrostatically defined constriction in a high-mobility InAs two-dimensional electron gas. A parallel magnetic field lifts the…
One- and three-dimensional quantum phase transitions and anisotropy in RbCuMoO
S. Hayashida, D. Blosser, K. Yu. Povarov +5
Single crystal samples of the frustrated quasi one-dimensional quantum magnet RbCuMoO are investigated by magnetic, thermodynamic, and electron spin resona…
Presaturation phase with no dipolar order in a quantum ferro-antiferromagnet
V. K. Bhartiya, K. Yu. Povarov, D. Blosser +9
Magnetization, magnetocaloric, calorimetric, neutron and X-ray diffraction and inelastic neutron scattering measurements are performed on single crystals of BaCdVO(PO). The…
Origin of magnetic anisotropy in the spin ladder compound (CHN)CuBr
D. Blosser, V. K. Bhartiya, D. J. Voneshen +1
The spin ladder compound (CHN)CuBr (BPCB) is studied by means of high-resolution inelastic neutron scattering. In agreement with previous studies we find…
Dynamics and field-induced order in the layered spin dimer system (CHNF)CuCl
Dominic Blosser, Mladen Horvatić, Robert Bewley +2
The quasi-two-dimensional Heisenberg spin dimer system bis(2-amino-5-fluoro-pyridinium) tetrachlorocuprate(II) is studied by means of inelastic neutron scattering, calorime…
Sign-switching of dimer correlations in SrCu(BO) under hydrostatic pressure
Simon Bettler, Lena Stoppel, Zewu Yan +2
Magnetic and vibrational excitations in SrCu(BO) are studied using Raman spectroscopy at hydrostatic pressures up to 34 kbar and temperatures down to 2.6 K. The frequen…
Observation and control of maximal Chern numbers in a chiral topological semimetal
Niels B. M. Schröter, Samuel Stolz, Kaustuv Manna +13
Topological semimetals feature protected nodal band degeneracies characterized by a topological invariant known as the Chern number (C). Nodal band crossings with linear dispersion…
Electron spin resonance study of spin relaxation in the strong-leg spin ladder with nonmagnetic dilution
Yu. V. Krasnikova, V. N. Glazkov, A. Ponomaryov +4
We have studied electron spin resonance (ESR) absorption spectra for the nonmagnetically diluted strong-leg spin ladder magnet ({C}HN)CuZnBr$_{4}…
The Electronic Thickness of Graphene
Peter Rickhaus, Ming-Hao Liu, Marcin Kurpas +10
The van-der-Waals stacking technique enables the fabrication of heterostructures, where two conducting layers are atomically close. In this case, the finite layer thickness matters…
Time- and momentum-resolved photoemission studies using time-of-flight momentum microscopy at a free-electron laser
Dmytro Kutnyakhov, Rui Patrick Xian, Maciej Dendzik +38
Time-resolved photoemission with ultrafast pump and probe pulses is an emerging technique with wide application potential. Real-time recording of non-equilibrium electronic process…