Applied Physics Letters
Articles in this Issue
Ultralow lattice thermal conductivity and glass-like thermal transport induced by double stacking faults in monolayer MS2 (M = Mo, W)
Ultralow lattice thermal conductivity (κL) is critical for enhancing thermoelectric efficiency and thermal barrier performance. Utilizing density functional theory and the unified theory, we systemati...
Enhancement of spin–orbit torque in sputtered BiSb-based perpendicular magnetic tunnel junctions for neuromorphic computing applications
Topological insulators offer unique properties for generating high spin–orbit torque (SOT), promising to revolutionize magnetoresistive random-access memory with a low power consumption. In this work,...
Competitive nucleation and dendritic growth of βNb5Si3 and Nb3Si intermetallic compounds within liquid Nb-25 at. % Si alloy under electrostatic levitation condition
The rapid solidification mechanism of the peritectic Nb-25 at. % Si alloy was investigated via the electrostatic levitation technique, where liquid undercooling attained 486 K (0.2TL). The dendritic g...
The bimetallic MXene/Fe3O4 composites with dielectric-magnetic synergy loss enable robust electromagnetic wave absorption
The proliferation of 5G technology has intensified electromagnetic wave (EMW) pollution, promoting the development of MXene absorbers for addressing the above issues. Ti3C2Tx MXene has attracted inten...
Manipulating the non-Hermitian skin effect through nonreciprocal flux in topolectrical circuits
Flux modulation refers to the phase accumulation of electrons along closed lattice loops, inducing the formation of colorful localized states. Traditional research focuses on the discrete π-flux, limi...
The effect of stress on thermoelectric properties of flexible Mg3Bi2 thin films
Mechanically flexible thermoelectric materials are of importance for energy harvesting and powering portable and wearable devices. Stress is often disregarded in investigations of thermoelectric prope...
Temperature dependence of current-induced switching in thin epitaxial films of Mn3Sn: Revealing the dominant role of spin–orbit torque
Current-induced switching of non-collinear antiferromagnets, represented by Mn3Sn, has attracted considerable interest due to its potential in advanced electronic devices. While a model based on the s...
High-sensitive and fast-response three-dimensional magnetic sensor based on spin–orbit torque
Spin–orbit torque-based three-dimensional (3D) magnetic sensors have emerged as a prominent research focus due to their potential for high-precision magnetic field detection and high integration densi...
Proximal light field control in red InGaN Micro-LEDs via evolution-algorithm-designed multilayer stacks
This study addresses the coupled challenges of low vertical light extraction efficiency and insufficient color uniformity in red InGaN micro-light-emitting diodes (Micro-LEDs) by implementing an evolu...
Room-temperature broadband THz detection at zero bias in layered WSe2
The promising applications of terahertz (THz) technology in medicine, security, and space have created a demand for further advancements in this domain. In this regard, transition metal dichalcogenide...
Effect of GdIG interfacial layer on the spin pumping in YIG/Pt
We report on a growth-induced ∼2.5-nm-thick gadolinium iron garnet (GdIG) interfacial layer formed at the Y3Fe5O12 (YIG) film and Gd3Ga5O12 (GGG) substrate. The exchange coupling between the interfaci...
Post-fabrication tuning of circular Bragg grating resonators via atomic layer deposition
Circular Bragg grating resonators have gained a lot of attention in various material platforms due to their high Purcell factors over large bandwidth. Although the bandwidth is on the order of several...
Polarization-enhanced conductivity in enhancement-mode GaN p-FET
The E-mode GaN p-FET exhibits low current density and high on-resistance, which hinders the development of GaN complementary logic circuits. This work exploits the polarization effect to enhance the p...
Remote sensing of airborne thermoacoustic signals induced by radiofrequency excitation in biological tissue, saline, and steel
We demonstrate remote thermoacoustic detection of biological tissue and conductive materials using pulsed RF excitation and audible-range acoustic sensing. Short RF pulses (4.5 μs, 2.865 GHz, 275 kW)...
Magnetic exchange field enhancement of the superconducting density of states in a thin-film <i>d</i>-wave superconductor on a ferromagnetic insulator
At a superconductor/ferromagnet insulator (S/FI) interface, a proximity-induced magnetic exchange interaction spin-splits the quasiparticle density of states and suppresses superconductivity. In an FI...
Actively tunable infrared emissivity regulator based on electrochemical lithium intercalation in three-dimensional graphene foam
Dynamic engineering of thermal infrared radiation offers significant potential for applications in thermal camouflage, radiative cooling, and solar energy harvesting. In this work, we demonstrate that...
Robust measurement of distorted partially coherent vortex beams
Vortex beams, characterized by their orbital angular momentum proportional to the topological charge, offer significant potential in optical communication. However, turbulence-induced beam distortion...
Perspective on polarization regulation for advanced energy storage
Dielectric energy storage materials, which store electrical energy via field-induced polarization, lie at the heart of next-generation pulsed power systems. Their unique ability to deliver rapid energ...
<i>In situ</i> construction of CuInSe2–In2Se3 heterojunctions for highly selective self-powered NO2 sensors
Self-powered gas sensors are crucial for sustainable IoT systems but remain limited by detection thresholds, selectivity, and scalable fabrication methods. To overcome transfer-induced performance deg...
Reversible dc-Ge to (β-Sn)-Ge transformation under high shear
The pressure-synthesized phases of Ge have properties of technological interest. Such phases are generally formed after decompression from the metallic β-Sn structure of Ge above 10 GPa under hydrosta...
Spin-wave-driven skyrmion manipulation via engineered potential well lines
Magnetic skyrmions, as topologically protected spin textures, have emerged as promising candidates for information carriers in next-generation spintronic devices, owing to their nanoscale size, stabil...
Rational design of high-conductivity α-Ag2S through first-principles guided dopant screening
Ductile α-Ag2S exhibits poor electrical conductivity owing to its low carrier concentration, which severely limits its large-scale application and development in electronic devices. Metal doping is an...
Achieving giant tunneling electroresistance ratio of up to 109% in sliding ferroelectric tunnel junctions based on MoGe2N4 bilayer
Emerging sliding ferroelectrics hold significant potential in designing ferroelectric tunnel junctions (FTJs) with high tunneling electroresistance (TER) ratios, which are promising candidate devices...
Selective area regrowth of silane-doped GaN achieving record carrier density for ultra-low resistive Ohmic contacts for AlGaN/GaN HEMT
Low-temperature (LT) selective area growth (SAG) of degenerately silicon (Si) doped GaN by metal-organic-chemical vapor deposition (MOCVD) technique yielded a record-high charge carrier concentration...
Switchable topological property of magneto-optical photonic crystal waveguide by adjusting magnetic field strength
We theoretically and experimentally demonstrate a special phenomenon in magneto-optical photonic crystals (MOPCs), wherein the gap Chern number of a high-frequency bandgap varies with the strength of...