output
19972023
most citedSpatially Resolved Raman Spectroscopy of Single- and Few-Layer Graphene

2.5k citations

Showing 2020Show all

25 papers · 1 filter

quant-ph2020★ 7 cited

Precise determination of low energy electronuclear Hamiltonian for LiYHoF

A. Beckert, R. I. Hermans, M. Grimm +8

We use complementary optical spectroscopy methods to directly measure the lowest crystal-field energies of the rare-earth quantum magnet LiYHoF, including their…

cond-mat.str-el2020★ 4 cited

Critical dielectric susceptibility at a magnetic BEC quantum critical point

S. Hayashida, L. Huberich, D. Flavián +4

Magnetic-field-induced phase transitions are investigated in the frustrated gapped quantum paramagnet RbCuMoO through dielectric and calorimetric measurement…

cond-mat.str-el2020★ 30 cited

Electronic correlations in the van der Waals ferromagnet FeGeTe revealed by its charge dynamics

M. Corasaniti, R. Yang, K. Sen +5

The layered van der Waals ferromagnetic FeGeTe harbours an unconventional interplay between topology and magnetism, leading to a large anomalous Hall conductivity at low te…

quant-ph2020★ 22 cited

Universal quantum computing using electro-nuclear wavefunctions of rare-earth ions

Manuel Grimm, Adrian Beckert, Gabriel Aeppli +1

We propose a scheme for universal quantum computing based on Kramers rare-earth ions. Their nuclear spins in the presence of a Zeeman-split electronic crystal field ground state ac…

cond-mat.mes-hall2020★ 216 cited

A Chirality-Based Quantum Leap

Clarice D. Aiello, Muneer Abbas, John M. Abendroth +41

Chiral degrees of freedom occur in matter and in electromagnetic fields and constitute an area of research that is experiencing renewed interest driven by recent observations of th…

cond-mat.str-el2020★ 1 cited

Finite-temperature dynamics and the role of disorder in nearly critical Ni(ClBr)4SC(NH)

L. Facheris, D. Blosser, K. Yu. Povarov +3

Inelastic neutron scattering is used to investigate the temperature dependence of spin correlations in the 3-dimensional XY antiferromagnet Ni(ClBr)4SC(NH$_2…

cond-mat.mes-hall2020★ 9 cited

Scanning Gate Microscopy of Localized States in a gate-defined Bilayer Graphene Channel

Carolin Gold, Annika Kurzmann, Kenji Watanabe +3

We use Scanning Gate Microscopy to demonstrate the presence of localized states arising from potential inhomogeneities in a 50nm-wide, gate-defined conducting channel in encapsulat…

physics.app-ph2020★ 70 cited

Membrane-based scanning force microscopy

David Hälg, Thomas Gisler, Yeghishe Tsaturyan +11

We report the development of a scanning force microscope based on an ultra-sensitive silicon nitride membrane transducer. Our development is made possible by inverting the standard…

cond-mat.mes-hall2020★ 14 cited

Fractional Coulomb blockade for quasiparticle tunneling between edge channels

Marc P. Röösli, Michael Hug, Giorgio Nicolí +6

We study the magneto-conductance of a -wide quantum dot in the fractional quantum Hall regime. For a filling factor and in the quantum…

cond-mat.mes-hall2020★ 83 cited

Correlated electron-hole State in Twisted Double Bilayer Graphene

Peter Rickhaus, Folkert de Vries, Jihang Zhu +9

When twisted to angles near 1°, graphene multilayers provide a new window on electron correlation physics by hosting gate-tuneable strongly-correlated states, including insulators,…

cond-mat.mes-hall2020★ 59 cited

A Magnon Scattering Platform

Tony X. Zhou, Joris J. Carmiggelt, Lisa M. Gächter +9

Scattering experiments have revolutionized our understanding of nature. Examples include the discovery of the nucleus, crystallography, and the discovery of the double helix struct…

cond-mat.str-el2020★ 9 cited

Magnetic phase diagram of the linear quantum ferro-antiferromagnet CsCuMoO

D. Flavián, S. Hayashida, L. Huberich +5

A single-crystal sample of the frustrated quasi one-dimensional quantum magnet CsCuMoO is investigated by magnetic and thermodynamic measurements.A combina…

cond-mat.str-el2020★ 18 cited

Magnetization plateaux cascade in the frustrated quantum antiferromagnet CsCoBr

K. Yu. Povarov, L. Facheris, S. Velja +4

We have found an unusual competition of two frustration mechanisms in the 2D quantum antiferromagnet CsCoBr. The key actors are the alternation of single-ion planar anisotr…

cond-mat.supr-con2020★ 12 cited

Multiple- to single-gap superconductivity crossover in NbIrPtO alloys

Y. Xu, S. Jöhr, L. Das +5

By using mostly the muon-spin rotation/relaxation (SR) technique, we investigate the superconductivity (SC) of NbIrPtO ( and 1.6) alloys, with $T_c = 10.5…

cond-mat.mes-hall2020★ 60 cited

Observation of an excitonic Mott transition through ultrafast core--conduction photoemission spectroscopy

Maciej Dendzik, R. Patrick Xian, Enrico Perfetto +19

Time-resolved soft-X-ray photoemission spectroscopy is used to simultaneously measure the ultrafast dynamics of core-level spectral functions and excited states upon excitation of…

cond-mat.supr-con2020★ 51 cited

Proximity-Induced Odd-Frequency Superconductivity in a Topological Insulator

Jonas A. Krieger, Anna Pertsova, Sean R. Giblin +7

At an interface between a topological insulator (TI) and a conventional superconductor (SC), superconductivity has been predicted to change dramatically and exhibit novel correlati…

physics.app-ph2020★ 26 cited

Spin detection via parametric frequency conversion in a membrane resonator

J. Košata, O. Zilberberg, Christian L. Degen +2

Recent demonstrations of ultracoherent nanomechanical resonators introduce the prospect of new protocols for solid state sensing applications. Here, we propose to use two coupled u…

cond-mat.mes-hall2020★ 12 cited

Thermoelectricity in Quantum-Hall Corbino Structures

Mariano Real, Daniel Gresta, Christian Reichl +6

We measure the thermoelectric response of Corbino structures in the quantum Hall effect regime and compare it with a theoretical analysis. The measured thermoelectric voltages are…

cond-mat.mtrl-sci2020★ 10 cited

Miniature capacitive Faraday force magnetometer for magnetization measurements at low temperatures and high magnetic fields

Dominic Blosser, Leonardo Facheris, Andrey Zheludev

A Faraday force magnetometer is presented for measurements of magnetization at temperatures down to 100~mK and in magnetic fields up to 14~T. The specimen is mounted on a flexible…

cond-mat.mes-hall2020★ 19 cited

Electron cascade for spin readout

C. J. van Diepen, T. -K. Hsiao, U. Mukhopadhyay +3

Electrons confined in semiconductor quantum dot arrays have both charge and spin degrees of freedom. The spin provides a well-controllable and long-lived qubit implementation. The…

cond-mat.mes-hall2020★ 6 cited

A novel planar back-gate design to control the carrier concentrations in GaAs-based double quantum wells

J. Scharnetzky, J. M. Meyer, M. Berl +4

The precise control of a bilayer system consisting of two adjacent two-dimensional electron gases (2DEG) is demonstrated by using a novel planar back-gate approach based on ion imp…

cond-mat.mes-hall2020★ 20 cited

Electronic g-factor and Magneto-transport in InSb Quantum Wells

Zijin Lei, Christian A. Lehner, Km Rubi +10

High mobility InSb quantum wells with tunable carrier densities are investigated by transport experiments in magnetic fields tilted with respect to the sample normal. We employ the…

cond-mat.mes-hall2020★ 25 cited

Combined minivalley and layer control in twisted double bilayer graphene

Folkert K. de Vries, Jihang Zhu, Elias Portoles +9

Control over minivalley polarization and interlayer coupling is demonstrated in double bilayer graphene twisted with an angle of 2.37. This intermediate angle is small enou…

cond-mat.str-el2020★ 13 cited

Spin Reversal of a Quantum Hall Ferromagnet at a Landau Level Crossing

M. Lupatini, P. Knüppel, S. Faelt +4

When Landau levels (LLs) become degenerate near the Fermi energy in the quantum Hall regime, interaction effects can drastically modify the electronic ground state. We study the qu…