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Showing 2017 · cond-mat.mes-hallShow all

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cond-mat.mes-hall2017★ 87 cited

Cavity-control of bright and dark interlayer excitons in van der Waals heterostructures

Michael Förg, Léo Colombier, Robin K. Patel +5

Monolayer (ML) transition metal dichalcogenides (TMDs) integrated in optical microcavities host exciton-polaritons as a hallmark of the strong light-matter coupling regime. Analogo…

cond-mat.mes-hall2017

Simultaneous Measurements of Microwave Photoresistance and Cyclotron Reflection in the Multi-Photon Regime

Jie Zhang, Rui-Rui Du, L. N. Pfeiffer +1

We simultaneously measure photoresistance with electrical transport and plasmon-cyclotron resonance (PCR) using microwave reflection spectroscopy in high mobility GaAs/AlGaAs quant…

cond-mat.mes-hall2017★ 103 cited

How To Identify Plasmons from the Optical Response of Nanostructures

Runmin Zhang, Luca Bursi, Joel D. Cox +11

A promising trend in plasmonics involves shrinking the size of plasmon-supporting structures down to a few nanometers, thus enabling control over light-matter interaction at extrem…

cond-mat.mes-hall2017★ 295 cited

Magneto-Optics of Exciton Rydberg States in a Monolayer Semiconductor

Andreas V. Stier, Nathan P. Wilson, Kirill A. Velizhanin +3

We report 65 tesla magneto-absorption spectroscopy of exciton Rydberg states in the archetypal monolayer semiconductor WSe. The strongly field-dependent and distinct energy shi…

cond-mat.mes-hall2017★ 89 cited

Topological superconductivity of spin-3/2 carriers in a three-dimensional doped Luttinger semimetal

Bitan Roy, Sayed Ali Akbar Ghorashi, Matthew S. Foster +1

We investigate topological Cooper pairing, including gapless Weyl and fully gapped class DIII superconductivity, in a three-dimensional doped Luttinger semimetal. The latter descri…

cond-mat.mes-hall2017★ 37 cited

Substantial local variation of Seebeck coefficient in gold nanowires

Pavlo Zolotavin, Charlotte I. Evans, Douglas Natelson

Nanoscale structuring holds promise to improve thermoelectric properties of materials for energy conversion and photodetection. We report a study of the spatial distribution of the…

cond-mat.mes-hall2017★ 28 cited

Low-Temperature Conductivity of Weakly Interacting Quantum Spin Hall Edges in Strained-Layer InAs/GaInSb

Tingxin Li, Pengjie Wang, Gerard Sullivan +2

We report low-temperature transport measurements in strained InAs/Ga0.68In0.32Sb quantum wells, which supports time-reversal symmetry-protected helical edge states. The temperature…

cond-mat.mes-hall2017★ 19 cited

Optical conductivity of an interacting Weyl liquid in the collisionless regime

Bitan Roy, Vladimir Juricic

Optical conductivity (OC) can serve as a measure of correlation effects in a wide range of condensed matter systems. We here show that the long-range tail of the Coulomb interactio…

cond-mat.mes-hall2017★ 51 cited

Photothermoelectric effects and large photovoltages in plasmonic Au nanowires with nanogaps

Pavlo Zolotavin, Charlotte I. Evans, Douglas Natelson

Nanostructured metals subject to local optical interrogation can generate open-circuit photovoltages potentially useful for energy conversion and photodetection. We report a study…

cond-mat.mes-hall2017★ 1 cited

Potential Fluctuations at Low Temperatures in Mesoscopic-Scale SmTiO/SrTiO/SmTiO Quantum Well Structures

Will J. Hardy, Brandon Isaac, Patrick Marshall +4

Heterointerfaces of SrTiO with other transition metal oxides make up an intriguing family of systems with a bounty of coexisting and competing physical orders. Some examples,…

cond-mat.mes-hall2017

Aluminum Nanoparticles with Hot Spots for Plasmon-Induced Circular Dichroism of Chiral Molecules in the UV Spectral Interval

Lucas V. Besteiro, Hui Zhang, Jérôme Plain +3

Plasmonic nanocrystals with hot spots are able to localize optical energy in small spaces. In such physical systems, near-field interactions between molecules and plasmons can beco…

cond-mat.mes-hall2017★ 3 cited

Mesoscopic quantum effects in a bad metal, hydrogen-doped vanadium dioxide

Will J. Hardy, Heng Ji, Hanjong Paik +2

The standard treatment of quantum corrections to semiclassical electronic conduction assumes that charge carriers propagate many wavelengths between scattering events, and succeeds…

cond-mat.mes-hall2017★ 8 cited

Shot noise detection in hBN-based tunnel junctions

Panpan Zhou, Will J. Hardy, Kenji Watanabe +2

High quality Au/hBN/Au tunnel devices are fabricated using transferred atomically thin hexagonal boron nitride as the tunneling barrier. All tunnel junctions show tunneling resista…

cond-mat.mes-hall2017★ 3 cited

Evolution of shot noise in suspended lithographic gold break junctions with bias and temperature

Ruoyu Chen, Douglas Natelson

Shot noise is a powerful tool to probe correlations and microscopic transport details that conductance measurements alone cannot reveal. Even in atomic-scale Au devices that are we…

cond-mat.mes-hall2017★ 37 cited

Plasmonic heating in Au nanowires at low Temperatures: The role of thermal boundary resistance

Pavlo Zolotavin, Alessandro Alabastri, Peter Nordlander +1

Inelastic electron tunneling and surface-enhanced optical spectroscopies at the molecular scale require cryogenic local temperatures even under illumination - conditions that are c…

cond-mat.mes-hall2017★ 64 cited

Dissolution of topological Fermi arcs in a dirty Weyl semimetal

Robert-Jan Slager, Vladimir Juricic, Bitan Roy

Weyl semimetals (WSMs) have recently attracted a great deal of attention as they provide condensed matter realization of chiral anomaly, feature topologically protected Fermi arc s…

cond-mat.mes-hall2017★ 4 cited

Mechanical and Thermal Stability of Graphyne and Graphdiyne Nanoscrolls

Daniel Solis, Cristiano F. Woellner, Daiane D. Borges +1

Graphynes and graphdiynes are carbon 2D allotrope structures presenting both sp2 and sp hybridized atoms. These materials have been theoretically predicted but due to intrinsic dif…

cond-mat.mes-hall2017★ 28 cited

Disorder-enhanced topological protection and universal quantum criticality in a spin-3/2 topological superconductor

Sayed Ali Akbar Ghorashi, Seth Davis, Sage B. Brooks +1

We study the Majorana surface states of higher-spin topological superconductors (TSCs) that could be realized in ultracold atomic systems or doped semimetals with spin-orbit coupli…