Journal of Applied Physics
Articles in this Issue
Atomistic mechanisms of helium–dislocation loop interactions in molybdenum: Insights from a machine-learning moment tensor potential
Molybdenum (Mo) is a key structural material for advanced nuclear systems, yet under irradiation, the formation of helium (He) bubbles and dislocation loops leads to severe degradation. Understanding...
Thermodynamic and structural evolution of lithium–oxygen–deuterium systems across fusion-relevant temperature and composition ranges
We have investigated the thermodynamic, structural, and transport properties of lithium–oxygen (Li–O) and lithium–oxygen–deuterium (Li–O–D) systems using molecular dynamics over a temperature range of...
Unintentional doping and native defects in the AlGaAsSb barrier of <i>nBn</i> photodetectors and their effect on detector dark current
The unintentional p-type doping concentration in the AlGaAsSb barrier of typical mid-wave infrared nBn detectors is predicted by TCAD simulations to generate substantial depletion volume, and conseque...
Extrinsic and intrinsic nonradiative recombination channels in deep ultraviolet ( <i>λ</i> &lt; 230 nm) light emitting heterostructures made of group III element nitrides
The optical performance of nitride-based heterostructures that spontaneously emit light in the deep-ultraviolet range (wavelengths below 230 nm) is limited by various previously elucidated phenomena r...
An analytic decomposition approach to modeling evanescent transient plane waves with an illustrative application to acoustics at a fluid–fluid interface
This work introduces an analytic decomposition approach for transient plane waves, broadly applicable to their interaction with layered media in linear physics. The time-domain signal, assumed to be a...
Cu–Au alloy Schottky junction photodetectors on silicon for sub-bandgap near-infrared detection
Internal photoemission-based plasmonic Schottky diodes fabricated on silicon are promising candidates for near-infrared (NIR) photodetection, particularly for detecting sub-bandgap light beyond silico...
Tutorial: Membrane phononic integrated circuits
Phononic circuits constructed from high tensile stress membranes offer a range of desirable features such as high acoustic confinement, controllable nonlinearities, low mass, compact footprint, and ea...
Light-induced damage in semiconductor device manufacturing: Present and future challenges
Advances in semiconductor manufacturing over the past few decades, driven by the need for smaller, faster, and more efficient devices, have pushed enormous progress in light sources for lithography an...
Exceptional point driven by asymmetry in meta-resonators in a non-Hermitian complementary terahertz metasurface
In this paper, we investigate a non-Hermitian open terahertz metasurface comprising complementary structures capable of exhibiting parity-time symmetry. The metasurface consists of two asymmetric reso...
Fast steady-state simulation of electrospray thruster plumes using tracer particles
This paper presents a new method for steady-state simulation of an electrospray thruster exhaust plume. The method, iterative tracer particle (ITP), leverages the similarity between an electrospray th...
Chemical composition and spatial distribution of plasma species in inductively coupled N2–O2 plasmas: Insights from a 2D fluid model
The investigation of N2–O2 discharges is critically important for optimizing photoresist ashing efficiency and controlling plasma-induced damage in advanced semiconductor manufacturing. This study emp...
Continuously tunable terahertz spatiotemporal vortex generator enabled by magneto-optical effects
Spatiotemporal optical vortices (STOVs), characterized by transverse orbital angular momentum perpendicular to the pulse propagation direction, have shown great potential in a wide range of applicatio...
Solving forward and inverse problems for atmospheric radio frequency discharge by Physics-Informed Neural Networks
With the requirement of intelligent control of atmospheric plasmas system, more Artificial Intelligence (AI) algorithms should be introduced into the field of plasma simulation. In this study, an inno...
Impact of reverse flow induced by a sawtooth anode on the performance of an argon Hall thruster
This study reports the performance comparison of the RAIJIN-66 TAL-type Hall thruster with argon propellant, using two hollow anode designs, one with a simple straight shape and another one with a saw...
High-stability sound transmission loss measurement method for acoustic metamaterials under grazing flow conditions
With the advancement of the practical application research of acoustic metamaterials, their performance under flow conditions becomes increasingly critical. However, the presence of flow field influen...
Microsecond carrier lifetime measurement using extended time-resolved THz spectroscopy
This study presents a terahertz (THz) spectroscopy platform for the comprehensive characterization of charge carrier dynamics in photovoltaic (PV) materials. The system integrates steady-state conduct...
Phase transformation via optimal impregnation to enhance dielectric performance of polypropylene
The development of smart grids and new power systems has imposed higher requirements on the dielectric performance of polypropylene (PP) in oil-impregnated capacitors. Herein, the dielectric propertie...
Anisotropic electron–phonon coupling and thermal transport in layered quaternary hydrides
Electron–phonon coupling (EPC) and anisotropic thermal transport properties in a series of layered quaternary hydrides XYZH (X = Ba, Sr; Y = Al, Ga; Z = Si, Ge) are systematically investigated via fir...
Cryogenic to beyond Curie temperature dielectric and piezoelectric properties of Pb(Mg1/3Nb2/3)O3–PbTiO3 single crystals under alternate and direct current poling
This study investigated the dielectric and piezoelectric properties of [001] oriented Pb(Mg1/3Nb2/3)O3–PbTiO3 (PMN–PT) piezoelectric single crystals at cryogenic temperatures using alternating current...
Measurements of the inert Hugoniot and observation of mechanical ignition in Ni(V) + Al reactive multilayers via x-ray diffraction
This study investigates the inert Hugoniot response, mechanical ignition, and reaction dynamics of Ni(V)+Al multilayers during longitudinal, laser-driven shock compression experiments. Ni(V)+Al multil...
Electrode chemistry impact on retention performance of ferroelectric hafnium zirconium oxide (Hf0.5Zr0.5O2− <i>x</i> ) capacitors
Polarization retention of 10 nm thick ferroelectric hafnium zirconium oxide (Hf0.5Zr0.5O2−x, HZO) capacitors with W and TaN electrodes is investigated over temperatures ranging from 85 to 150 °C. Same...
Strong exciton–plexciton coupling in nickel phthalocyanine thin films on gold
Strong light–matter coupling is demonstrated in a simple, cavity-free structure consisting of nickel phthalocyanine thin films deposited on gold. Variable-angle spectroscopic ellipsometry, recorded in...
Synchronous motion and end clogging prevention of skyrmion-chains in synthetic antiferromagnetic nanotracks
The development of skyrmion-based racetrack memory is hindered by the dual challenges of maintaining skyrmion-chain synchronization and preventing end clogging. Through micromagnetic simulations, we d...
Overcoming fading in passive dosimetry: A combined persistent-luminescence and residual-thermoluminescence method
Thermoluminescence (TL) and optically stimulated luminescence are widely used in radiation dosimetry. In applying these methods, signal fading is a major source of error in dose estimation. Hypothetic...
Magnetic loss reduction in angularly stacked grain-oriented steel cores under normal compressive stress
The effect of compressive stress applied normal to the lamination surface on magnetic behavior is investigated in stacked grain-oriented Fe–Si ring cores with controlled angular misalignment between r...