163 citations · 1.9k across the 55 of their papers we have counts for
57 papers
Collective excitation-mediated transport in nanoscale Josephson junctions that exhibit quantum confinement
Zhengyuan Liu, Sebastian Scherb, Werner M. J. van Weerdenburg +3
Quantum confinement can strongly modify transport through Josephson junctions. Here, we study local tunneling transport through nanoscale Josephson junction stacks in the Coulomb b…
Spin-orbit coupling by design in quantum state engineering of atomically defined quantum dots
Hermann Osterhage, Julian H. Strik, Ivan Ado +4
Tuning spin-orbit coupling is essential in controlling both spin and charge in confined semiconductor nanostructures, yet it is rarely a truly controllable parameter. Here, we show…
Dynamic heterogeneity in the self-induced spin glass state of elemental neodymium
L. Niggli, J. H. Strik, Z. Liu +4
Spin glasses are magnetic materials exhibiting numerous magnetization patterns, that randomly vary both in real space and in time. To date, it is still not well understood what the…
Influence of surface relaxations on scanning probe microscopy images of the charge density wave material 2H-NbSe
Nikhil S. Sivakumar, Joost Aretz, Sebastian Scherb +7
Scanning tunneling microscopy is the method of choice for characterizing charge density waves by imaging the variation in atomic-scale contrast of the surface. Due to the measureme…
Quantifying the quantum nature of high spin YSR excitations in transverse magnetic field
Niels P. E. van Mullekom, Benjamin Verlhac, Werner M. J. van Weerdenburg +4
Excitations of individual and coupled spins on superconductors provide a platform to study quantum spin impurity models as well as a pathway toward realizing topological quantum co…
Stochastic syncing in sinusoidally driven atomic orbital memory
Werner M. J. van Weerdenburg, Hermann Osterhage, Ruben Christianen +4
Stochastically fluctuating multi-well systems as physical implementations of energy-based machine learning models promise a route towards neuromorphic hardware. Understanding the r…
Activating the fluorescence of a Ni(II) complex by energy transfer
Tzu-Chao Hung, Yokari Godinez-Loyola, Manuel Steinbrecher +5
Luminescence of open-shell 3d metal complexes is often quenched due to ultrafast intersystem crossing (ISC) and cooling into a dark metal-centered excited state. We demonstrate suc…
Threefold enhancement of superconductivity and the role of field-induced odd-frequency pairing in epitaxial aluminum films near the 2D limit
Werner M. J. van Weerdenburg, Anand Kamlapure, Eirik Holm Fyhn +6
BCS theory has been widely successful at describing elemental bulk superconductors. Yet, as the length scales of such superconductors approach the atomic limit, dimensionality as w…
Bipolar single-molecule electroluminescence and electrofluorochromism
Tzu-Chao Hung, Roberto Robles, Brian Kiraly +5
Understanding the fundamental mechanisms of optoelectronic excitation and relaxation pathways on the single-molecule level has only recently been started by combining scanning tunn…
Quantum simulator to emulate lower dimensional molecular structure
E. Sierda, X. Huang, D. I. Badrtdinov +7
Bottom-up quantum simulators have been developed to quantify the role of various interactions, dimensionality, and structure in creating electronic states of matter. Here, we demon…
Orbital memory from individual Fe atoms on black phosphorus
Brian Kiraly, Elze J. Knol, Alexander N. Rudenko +2
Bistable valency in individual atoms presents a new approach toward single-atom memory, as well as a building block to create tunable and stochastic multi-well energy landscapes. Y…
Anisotropic superconductivity induced at a hybrid superconducting-semiconducting interface
Anand Kamlapure, Manuel Simonato, Emil Sierda +7
Epitaxial semiconductor-superconductor heterostructures are promising as a platform for gate-tunable superconducting electronics. Thus far, the superconducting properties in such h…
Thermally-induced magnetic order from glassiness in elemental neodymium
Benjamin Verlhac, Lorena Niggli, Anders Bergman +8
Temperature in thermodynamics is synonymous with disorder, and responsible for ultimately destroying ordered phases. Here, we show an unusual magnetic transition where, with increa…
Gating orbital memory with an atomic donor
Elze J. Knol, Brian Kiraly, Alexander N. Rudenko +3
Orbital memory is defined by two stable valencies that can be electrically switched and read-out. To explore the influence of an electric field on orbital memory, we studied the di…
Creating tunable and coupled Rashba-type quantum dots atom-by-atom
Wouter Jolie, Tzu-Chao Hung, Lorena Niggli +4
Artificial lattices created by assembling atoms on a surface with scanning tunneling microscopy present a platform to create matter with tailored electronic, magnetic and topologic…
Plasmon-driven motion of an individual molecule
Tzu-Chao Hung, Brian Kiraly, Julian H. Strik +2
We demonstrate that nanocavity plasmons generated a few nanometers away from a molecule can induce molecular motion. For this, we study the well-known rapid shuttling motion of zin…
Moiré induced electronic structure modifications in monolayer VS on Au(111)
Umut Kamber, Sahar Pakdel, Raluca-Maria Stan +11
There is immense interest in how the local environment influences the electronic structure of materials at the single layer limit. We characterize moiré induced spatial variations…
Quantifying the interplay between fine structure and geometry of an individual molecule on a surface
Manuel Steinbrecher, Werner M. J. van Weerdenburg, Etienne F. Walraven +10
The pathway toward the tailored synthesis of materials starts with precise characterization of the conformational properties and dynamics of individual molecules. Electron spin res…
A scanning tunneling microscope capable of electron spin resonance and pump-probe spectroscopy at mK temperature and in vector magnetic field
Werner M. J. van Weerdenburg, Manuel Steinbrecher, Niels P. E. van Mullekom +4
In the last decade, detecting spin dynamics at the atomic scale has been enabled by combining techniques like electron spin resonance (ESR) or pump-probe spectroscopy with scanning…
An atomic Boltzmann machine capable of on-chip learning
Brian Kiraly, Elze J. Knol, Hilbert J. Kappen +1
The Boltzmann Machine (BM) is a neural network composed of stochastically firing neurons that can learn complex probability distributions by adapting the synaptic interactions betw…
Quantifying Exchange Forces of a Non-Collinear Magnetic Structure on the Atomic Scale
Nadine Hauptmann, Soumyajyoti Haldar, Tzu-Chao Hung +5
The large interest in chiral magnetic structures for realization of nanoscale magnetic storage or logic devices has necessitated methods which can quantify magnetic interactions at…
p-band engineering in artificial electronic lattices
M. R. Slot, S. N. Kempkes, E. J. Knol +7
Artificial electronic lattices, created atom by atom in a scanning tunneling microscope, have emerged as a highly tunable platform to realize and characterize the lowest-energy ban…
Self-induced spin glass state in elemental and crystalline neodymium
Umut Kamber, Anders Bergman, Andreas Eich +8
Spin glasses are a highly complex magnetic state of matter, intricately linked to spin frustration and structural disorder. They exhibit no long-range order and exude aging phenome…
Anisotropic two-dimensional screening at the surface of black phosphorus
Brian Kiraly, Elze J. Knol, Klara Volckaert +8
Screening in reduced dimensions has strong consequences on the electronic properties in van der Waals semiconductors, impacting the quasiparticle band gap and exciton binding energ…