323 papers
This paper demonstrates that super-resolution fluorescence fluctuation microscopy is a rapid and effective method for imaging localized exciton instability caused by interfacial disorder in monolayer semiconductors, offering a practical alternative to atomic force microscopy and hyperspectral imaging for evaluating material quality in nanoscale devices.
This study demonstrates that polycrystalline aluminum nitride (AlN) thin films deposited at back-end-of-line compatible low temperatures exhibit consistently high thermal conductivity across various substrates and can reduce peak device temperatures by up to 44%, establishing AlN as a practical heat spreader material for integrated circuits.
This study reports the successful synthesis of bulk OsO2 single crystals that outperform commercial RuO2 nanopowder in oxygen evolution reaction efficiency and stability, challenging the universal applicability of nanoscaling by demonstrating that crystal integrity is a critical descriptor for robust electrocatalysis.
This paper experimentally demonstrates and theoretically models nonlinear mode coupling in high-stress silicon nitride membrane resonators, revealing how tension-mediated geometric nonlinearity and mode symmetry govern intermodal interactions to enable controllable multimode frequency tuning.
This paper extends the Landauer-Büttiker scattering theory to incorporate non-local dissipation in quasi-one-dimensional nano-devices with dissipative electrodes, deriving general expressions for current density and dissipated power to analyze dissipation asymmetry and the formation of heating spots under weak excitation and low-temperature conditions.
This paper theoretically demonstrates that inter-Landau level transitions in black phosphorus and WTe2 monolayers significantly enhance valley quantum interference through their anisotropic electronic environments, with black phosphorus showing superior performance due to its greater directional disparity in transition probabilities.
This paper introduces and experimentally validates a novel all-in-plane image sensor architecture that eliminates the need for individual pixel readout circuits by using neighbor-connected photoresistive pixels and reconstructing images via electrical impedance tomography, thereby enabling unprecedented simplification for ultra-miniaturized and heterogeneously integrated detectors.
This study demonstrates that proximity coupling rhombohedral multilayer graphene to a Haldane substrate enables electric-field-controlled sign reversal of orbital magnetization in trilayer and tetralayer systems, a phenomenon absent in bilayers, thereby establishing layer count as a critical tuning parameter for orbitronic and valleytronic applications.
This paper demonstrates that the quantum metric serves as a sensitive geometric probe for persistent spin helices by revealing a divergence caused by a hidden line degeneracy at the balanced spin-orbit coupling condition, which is subsequently regularized by higher-order cubic interactions.
This paper investigates band modulations and topological transitions in a one-dimensional periodic bead-on-string chain by combining exact transfer-matrix analysis, numerical simulations, and tabletop experiments to demonstrate that localized midgap states are topological solitons governed by the Su-Schrieffer-Heeger model and Dirac theory.
This paper theoretically proposes extremely low-power cryogenic negative-capacitance topological insulator field-effect transistors (NC-TIFETs) that combine a gate-field-induced 1T'-MoS topological channel with an HZO ferroelectric gate insulator to achieve steep-slope transfer curves and ultra-high transconductance, offering a promising solution for minimizing power dissipation in large-scale quantum computing control systems.
This paper proposes a theoretical framework for detecting magnon orbital moment transport in altermagnets via an electric polarization probe, demonstrating that the magnon's effective electric dipole moment generates a measurable transverse voltage suitable for low-dissipation orbitronic applications.
This paper introduces DeepConf, a machine learning framework that leverages accelerated Density Functional Theory to generate training data and reconstruct the three-dimensional structures of biomolecules like peptides and glycans from Scanning Tunneling Microscopy images with high accuracy.
This paper demonstrates that introducing non-Hermitian dynamics into altermagnets and unconventional magnets generates novel, symmetry-dependent spin susceptibility components and selective spin gain/loss profiles, offering a new mechanism to manipulate spin accumulation through controlled dissipation.
This paper presents a framework that combines transfer matrix methods with differential evolution algorithms and regularization techniques to optimize the design of multi-barrier graphene systems, enabling precise control over electron transmission profiles while balancing accuracy and structural complexity.
This paper demonstrates that -wave altermagnets exhibit spin-selective perfect elliptic dichroism and generate a leading-order, perfectly spin-polarized third-order nonlinear photocurrent driven by the anisotropy of their Dirac cones, offering a promising mechanism for future photo-excited spintronic applications.
This paper characterizes the electronic entropy and specific heat of square, honeycomb, and triangular lattices under magnetic fields, revealing that these thermodynamic observables exhibit fractal self-similarity and distinct oscillations that serve as high-resolution spectroscopic fingerprints for the underlying Hofstadter butterfly spectra.
This paper demonstrates that continuous photogeneration of excitons in atomically thin transition metal dichalcogenides, combined with resident charge carriers, induces a picosecond-scale bistability in electron temperature driven by the feedback loop between Drude heating and the dissociation of trions into free carriers.
By synthesizing high-quality rutile OsO2 single crystals, researchers discovered that while the material is initially a paramagnetic metal, applying high pressure (44 GPa) induces a metal-insulator transition and drives a phase change into an altermagnetic state, demonstrating that external pressure can effectively tune its magnetic ground state.
This paper proposes a novel non-equilibrium thermal field model based on atomic spin flip probabilities that successfully reproduces ultrafast demagnetization across various grid sizes, overcoming the limitations of traditional micromagnetic models.