Journal of Applied Physics
Articles in this Issue
Band-filling and relaxation effects in the transient dielectric function of Ge
This study investigates the transient dielectric function of germanium at charge carrier densities of the order of 1020cm−3 using time-resolved spectroscopic ellipsometry. By employing a pump-probe te...
Pairing factorial design with finite element analysis to model and optimize heat transfer in finned heatsinks
Effective thermal management is critical to many engineering applications, yet identifying optimal heat-transfer designs remains challenging due to complex interactions among material, geometry, and s...
Influence of Hf- and multi-rare earth introduction on the photo-transport properties of ZnO thin films deposited on Si by magnetron sputtering and post-annealed
Emerging evidence suggests that doped ZnO is one of the serious candidates for next-generation electronic devices because of its abundance in Earth, its nontoxicity, biocompatibility, and affordabilit...
Machine learning aided optimization of multilayer lattice for microwave absorption
In response to the increasing demand for lightweight stealth structures, this research proposed a novel optimization strategy for the microwave-absorbing performance of multilayer lattice structures b...
Tuning second-harmonic generation in Pb-based perovskite ferroelectric single crystals for field sensing
Pb-based ABO3 perovskites have spurred extensive research endeavors, owing to their distinctive electromechanical characteristics that stem from the interactions between A-, B-, and O-site ions. The l...
Study on vibration and noise of magnetic saturated controllable reactor considering magnetostriction effect
Currently, computational analysis of vibration-induced noise in electromagnetic equipment cores predominantly relies on three-dimensional finite element simulation methods. However, this approach freq...
Giant ferroelectric polarization and multiferroicity of two-dimensional hydrofluorinated SiC
Two-dimensional (2D) multiferroic materials are crucial for designing next-generation functional devices. However, 2D multiferroic materials remain extremely scarce, particularly ferroelectric–ferroel...
Ultra-low lattice thermal conductivity and superior electronic transport properties endow high thermoelectric performance in Sn0.5Pb0.5O oxide-based superlattice
Inspired by recent experimental synthesis of prototypical Sn(1−x)Pb(x)O under ambient and high-temperature conditions, we systematically construct layered Sn(1−x)Pb(x)O alloys across a range of compos...
Analysis of magnetic coupling resonant wireless power transfer system based on multiple reconfigurable relay coils designed by variable inductors
The performance of the traditional low-power three-coil magnetic coupling resonant wireless power transfer (MCRWPT) system with a single-relay coil still deteriorates significantly during long-distanc...
Hybrid metamaterials based on labyrinthine and Helmholtz resonators for low-frequency noise attenuation
Low-frequency noise remains a major challenge in industries such as automotive, aerospace, and building acoustics. Conventional solutions often rely on bulky, heavy materials, which are impractical wh...
Particle dynamics in deposition of porous films with a modulated radio-frequency atmospheric pressure glow discharge
Nanoparticles grown in a plasma are used to visualize the process of film deposition in a modulated radio-frequency atmospheric pressure glow discharge. Modulation of the plasma makes it possible to s...
Temperature-dependent analysis of retention and write characteristics of STT-MRAM cells
Spin-transfer torque magnetic random-access memory (STT-MRAM) is being investigated for automotive applications. However, to ensure reliable operation across the wide temperature ranges required in au...
Demonstration of a 5.5 <i>μ</i> m cutoff event-based sensor pixel and evaluation of sensitivity in the event-based and framing paradigms
Event-based sensors (EBSs) offer a promising alternative to traditional frame-based sensors for tracking and other applications, addressing limitations in dynamic range, power consumption, temporal re...
Field-induced spin dynamics and crystal field effects in the frustrated pyrochlore Gd2Hf2O7
We present the structural and magnetic properties of the pyrochlore oxide Gd2Hf2O7 using x-ray diffraction, Raman spectroscopy, magnetization, AC susceptibility, and heat capacity measurements. Gd2Hf2...
Sample glue layer investigation and mitigation for laser induced prompt impulse experiments
Understanding longer timescale material reactions under dynamic stress loading is critical for applications in materials engineering, shock physics, and planetary science. Prompt impulse experiments g...
Predicting the viscoplastic response of a crystallizing fluoropolymer using transient network theory
We employ a molecular theory of dynamic polymer networks to describe the viscoplastic response of rubbery FK-800, a thermoplastic copolymer of chlorotrifluoroethylene and vinylidene fluoride, over a b...
Strongly oversized “three-dimensional” Bragg resonators of planar geometry for effective mode selection in high-power free-electron lasers from sub-THz to THz band
A novel scheme of Bragg resonators is proposed that implements three-dimensional (3D) scattering of wave-fluxes. The electrodynamic characteristics of resonators of this type have been studied within...
Study of thermoelastic and surface properties of tantalum at various temperatures and pressures
An analytical method (i.e., no computer simulation) has been developed to calculate the thermoelastic and surface properties of tantalum (Ta) at any (corresponding to the solid phase) temperature T an...
Zero-bias photo-induced charge separation using built-in electric field at p-NiO/n-Ga2O3 heterojunction interface
As a viable alternative to the challenging fabrication of robust β-Ga2O3 p–n homojunctions, this study investigates the variable-temperature photocurrent of p-NiO/n-Ga2O3 heterojunction photodiodes un...
Thermo-mechanical coupling in high-speed RDX collisions: How plasticity triggers hotspot formation
This study explores the thermo-mechanical coupling mechanism of cyclotrimethylene trinitramine particles during high-speed collisions by combining molecular dynamics simulations and an analytical mode...
Controlled propagation and structural transformation of the beam in complex potential wells
The formation of optical solitons in nonlinear media is governed by the balance among diffraction effects, potential well confinement, and nonlinear effect interactions, a dynamic process that is crit...
Defect-specific compensation and redistribution of Si in GaAs:Si structures resolved at subnanometer scale
Although the behavior of silicon (Si) in gallium arsenide (GaAs) has been extensively studied, a comprehensive understanding of compensation mechanisms and defect dynamics remains an active area of re...
X-ray diffraction strains in laser-ablated aluminum, nickel, sodium, and invar: Pressures to 475 GPa
Dynamically compressed materials in longitudinal waves are described by two physical models: hydrostatic pressure, with equal, normal, principal stresses or material uniaxially strained in the wave pr...
Microstructure-dependent dielectric breakdown in PVDF–BTO composites: A coupled electro-thermo-mechanical phase-field study
Ferroelectric composites are excellent candidates for multifunctional applications owing to the advantages of the synergy between the high polarization of ceramics and the high breakdown strength of p...
Dual-band tunable terahertz linear dichroism metasurface based on photosensitive silicon
Metasurfaces, with their precise manipulation of electromagnetic waves, provide an ideal platform for realizing efficient terahertz linear dichroism (LD) devices. However, the existing LD metasurfaces...