Mesoscale & Nanoscale Physics
Quantum transport, nanoscale devices, topological materials, and mesoscopic physics.
cond-mat.mes-hall · 227 papersSize-Limited Room Temperature Single-Photon Emission from Sidewall-Treated Fractional Dimension InGaN Quantum Dots: Determined by Density-of-States-Corrected Ultrafast Carrier Dynamics and Improved Signal-to-Noise Ratio
This paper demonstrates room-temperature single-photon emission from size-limited and sidewall-treated InGaN quantum dots, optimized by carrier dynamics.
Observation of attractor transitions in active magnon-polaritons under microwatt drives
Active magnon-polaritons enable low-power observation of attractor transitions, explosive bistability, and chaotic dynamics for new microwave applications.
Quantum Scalar Spin Chirality in Coplanar Kagome Antiferromagnets
Quantum fluctuations can generate scalar spin chirality at zero temperature in coplanar kagome antiferromagnets, even without noncoplanar spin structures.
Large quantum dot energy level shifts in anomalous photon-assisted tunneling
Ge/SiGe double quantum dots show surprising singlet-triplet splitting dependence on top gate voltages, leading to anomalous photon-assisted tunneling.
Transport characteristics of bulk and edge states in an off-diagonal Aubry--André--Harper chain
This study reveals how internal boundaries and coherence affect transport in off-diagonal Aubry-André-Harper chains.
Sub-50 Picosecond exceptionally Bright Perovskite Scintillation by Unlocking Giant Oscillator Strength
New perovskite scintillators achieve sub-50 picosecond emission and high light yield by unlocking giant oscillator strength, enabling ultrafast radiation detection.
Metalization of topological insulators
This paper reveals how quantum decoherence drives "metalization" in topological insulators, providing a new transport paradigm beyond the Drude model.
Beyond conventional skyrmions in synthetic antiferromagnets
This paper engineers synthetic antiferromagnets to reveal two distinct skyrmion families with controlled polarity, enabling programmable 3D spin textures.
Tunable high-Chern-number Chern insulators in rhombohedral tetralayer graphene/hBN moiré superlattices
This paper explores tunable high-Chern-number Chern insulators in rhombohedral tetralayer graphene/hBN moiré superlattices, revealing new topological states.
Voltage-Regulated Photoluminescence Modulation in a 0D-2D Mixed Dimensional Heterostructure
This paper observes voltage-regulated photoluminescence modulation and coupled oscillatory behavior in a 0D-2D heterostructure, opening new device opportunities.
Turing patterns on non-fluctuating surfaces under mechanical stresses
This paper numerically investigates Turing patterns on non-fluctuating surfaces, showing their response to mechanical stress via Finsler geometry.
Domain-induced control of latent heat in freestanding BaTiO$_3$ membranes
Domain morphology, not thickness, dictates the transition order and latent heat in freestanding BaTiO$_3$ membranes, enabling caloric effect control.
3D integration of a hybrid quantum dot circuit-QED device for fast gate dispersive charge readout and coherent spin-photon coupling
This paper presents a 3D-integration process for hybrid quantum dot circuit-QED devices, achieving record charge readout sensitivity and strong spin-photon coupling.
Temporal hopping dynamics in exciton-polariton condensation
Polariton condensation near threshold exhibits dynamic hopping between states, building coherence despite fluctuations, challenging static views.
Robust Metal-Insulator Transition Despite Surface Dead-Layer Growth in Sub-10-nm Cr-Doped V2O3 Nanocrystals
Cr-doped V2O3 nanocrystals maintain their metal-insulator transition down to 5.6 nm, despite surface dead-layer growth.
Femtosecond tunneling spectroscopy of ultrafast band bending dynamics at the atomic limit
A new femtosecond tunneling spectroscopy method using THz-STM resolves ultrafast band bending dynamics at the atomic limit in photoexcited GaAs(110).
Probing Spin Dynamics Across Magnetic Phase Transitions in CrCl3 Nanoflakes Using Nitrogen-Vacancy Microscopy
This paper uses NV microscopy to investigate spin dynamics and magnetic noise in CrCl3 nanoflakes across phase transitions, revealing strong gigahertz fluctuations.
Electrical tunability of terahertz nonlinearity in graphene
Graphene's terahertz nonlinearity can be electrically tuned with low voltages, boosting signal conversion efficiency by two orders of magnitude.
Remotely programming the weights of a spintronic neural network by a radiofrequency broadcast signal
This paper introduces a scalable method for remotely programming spintronic neural network weights using broadcast radiofrequency signals.
Structural Colours with Transition Metal Dichalcogenide Nanostructures
This paper explores using transition metal dichalcogenide (TMD) nanostructures to create tunable structural colors by tailoring their geometry and material properties.
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