843 citations
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21 papers · 1 filter
Single atom energy-conversion device with a quantum load
Noah Van Horne, Dahyun Yum, Tarun Dutta +4
This work reports the functioning of a single atom energy-conversion device, operating either as a quantum engine or a refrigerator, coupled to a quantum load. The "working fluid"…
Spin transport in a magnetic insulator with zero effective damping
Tobias Wimmer, Matthias Althammer, Lukas Liensberger +5
Applications based on spin currents strongly profit from the control and reduction of their effective damping and their transport properties. We here experimentally observe magnon…
Tuning the Fröhlich exciton-phonon scattering in monolayer MoS2
Bastian Miller, Jessica Lindlau, Max Bommert +5
A direct band gap, remarkable light-matter coupling as well as strong spin-orbit and Coulomb interaction establish two-dimensional (2D) crystals of transition metal dichalcogenides…
Current direction anisotropy of the spin Hall magnetoresistance in nickel ferrite thin films with bulk-like magnetic properties
Matthias Althammer, Amit Vikam Singh, Tobias Wimmer +5
We utilize spin Hall magnetoresistance (SMR) measurements to experimentally investigate the pure spin current transport and magnetic properties of nickel ferrite (NiFe2O4,NFO)/norm…
Quantitative modeling of superconducting planar resonators with improved field homogeneity for electron spin resonance
Stefan Weichselbaumer, Petio Natzkin, Christoph W. Zollitsch +3
We present three designs for planar superconducting microwave resonators for electron spin resonance (ESR) experiments. We implement finite element simulations to calculate the res…
Photo-induced anomalous Hall effect in the type-II Weyl-semimetal WTe2 at room-temperature
Paul Seifert, Florian Sigger, Jonas Kiemle +5
Using Hall photovoltage measurements, we demonstrate that an anomalous Hall-voltage can be induced in few layer WTe2 under circularly polarized light illumination. By applying a bi…