Journal of Applied Physics
Articles in this Issue
Predicting water dynamics on nanopatterned surfaces using convolutional neural network algorithm
Nanopatterns are widespread on surfaces and play a crucial role in water dynamics, which is particularly significant in the fields of surface science, electronic devices, and advanced materials. Howev...
Performance enhancement of AlGaN/GaN-based high electron mobility transistors with sputtered AlScN gate dielectric
This study explores the effects of a sputtered Al0.7Sc0.3N layer deposited onto metalorganic chemical vapor deposition-grown Al0.3Ga0.7N/GaN heterostructures, with a focus on structural and electrical...
Dispersion analysis of lattices with spatially modulated stiffness nonlinearity
In this work, we report amplitude-dependent band structures in mechanical lattices with spatially modulated weak cubic stiffness. In contrast to lattices characterized by spatially uniform nonlinearit...
Effect of a uniaxial strain on optical orientation in cubic semiconductors
The effect of a uniaxial strain on the optical spin orientation of a cubic semiconductor is investigated by calculating the valence wavefunctions and the optical oscillator strengths for circularly po...
AC loss in stacks of Y–Ba–Cu–O tapes accounting for side penetration of external magnetic field
A semi-analytical model that accounts for side penetration of a time-varying external magnetic field inside regions between superconducting (SC) layers is proposed for computing the alternating curren...
Vortex dynamics and magnetization properties in mesoscopic superconductor under pulsed field magnetization
Under the research background where the magnetic control and dynamic control mechanisms of mesoscopic superconductors under pulsed magnetization are still unclear, this paper takes circular mesoscopic...
Electric-field-induced phase transition in textured Bi0.5Na0.5TiO3-based thin films
The reversible electric-field-induced transition from ergodic relaxors to ferroelectric phase is a highly desirable feature for enhancing the functionality of (Bi,Na)TiO3 (BNT)-based materials. Howeve...
Analog of dual ultra-broadband and polarization-independent electromagnetically induced transparency metamaterial
An electromagnetically induced transparency analog (EIT-analog) metamaterial is numerically and experimentally demonstrated. The unit cell of the proposed structure is composed of two obliquely crosse...
Two-stage model and simulation of ultra-short pulsed laser interaction with phase-change-films followed by ultra-fast cooling
In this work, we develop a computational model for ultra-short laser–matter interaction performing detailed simulations of fs pulsed 800 nm laser heating of amorphous Ge2Sb2Te5 (αGST) films, which are...
Coupled electric dipole model for a Su–Schrieffer–Heeger chain of optically resonant coreshell nanoparticles
Coreshell nanoparticles can combine optical features of different materials in a single nanostructure, which makes them interesting for many applications from biomedicine to energy harvesting. On the...
Stress-controlled spin-wave modes of magnetic antivortices for superellipse-based magnonic devices
We investigate the spin-wave dynamics of antivortices confined in superellipse-shaped FeGa nanostructures by means of micromagnetic simulations. Particular attention is given to the dynamic susceptibi...
Thermal transport in Ti3C2 MXene enhanced by hydrogen functionalization-induced symmetry reconstruction
MXenes, with their diverse functional groups, tunable surface structures, and exceptional chemical versatility, offer significant potential for modulating thermal transport properties, enabling their...
Non-reciprocal magnetoresistances in chiral tellurium
Materials with broken fundamental symmetries, such as chiral crystals, provide a rich playground for exploring unconventional spin-dependent transport phenomena. The interplay between a material’s chi...
Effective modulation of interfacial spin transport at CoFeB/Ta interface by ultrafast laser pulse
In this study, we demonstrate the all-optical control of interfacial spin transport in CoFeB/Ta heterostructures using time-resolved magneto-optical Kerr effect measurements. Our results reveal a redu...
Enhanced quantum efficiency from optical interference in alkali antimonide photocathodes: Modeling and experimental results
We present measurements of enhanced quantum efficiency (QE) in thin film alkali antimonide photocathodes from optical interference in the cathode-substrate multilayer. Modulations in the spectral resp...
Temperature-gradient effects on electric double layer screening in electrolytes
Temperature gradients drive asymmetric ion distributions via thermodiffusion (the Soret effect), leading to deviations from the classical Debye–Hückel potential. We introduce the Eastman entropy of tr...
Hydrodynamic modeling of nano-dipole antennas: A theoretical approach
In this work, we introduce a new concept of plasmonic nanoantenna: the Hydrodynamic Nano-Dipole Antenna (HNDA), based on the hydrodynamic model of the electron gas. Conventional optical plasmonic ante...
Temperature-dependent charge transport and dielectric relaxation in two-dimensional RbPb2Br5 layered-halide
We have reported fundamental aspects on the vacancy-mediated conduction and relaxation mechanisms of charge carriers in 2D RbPb2Br5 layered-halides synthesized via the wet chemical method. The structu...
Observation of hybridized dark and bright modes in coupled dark resonators
Mode coupling offers a degree of freedom for tailoring optical responses in plasmonic nanostructures, which is beneficial for both fundamental and applied studies in optoelectronics. While a wealth of...
Machine learning and first-principles guided design of BaTiO3-based materials for capacitor applications
Addressing the requirements of advanced capacitor applications for high dielectric permittivity, low loss, and strong frequency stability necessitates the accelerated development of materials exhibiti...
Implementation of restricted Boltzmann machine using ferroelectric-based stochastic neurons and deterministic synapses
Restricted Boltzmann machine (RBM) is a typical stochastic neural network with wide applications in image generation and recognition. Hardware implementation of RBMs using emerging devices (e.g., memr...
Cathode erosion evolution and instability analysis of liquid-metal jets in high-pressure arcs
The metallic droplets generated by high-voltage gas arc erosion on electrode surfaces are the key factors constraining the reliability and service life of gas-insulated switches. The process of cathod...
A tunable acoustic coil structure coupled with porous material linings for customized perfect absorption
Achieving continuous high absorption at low frequencies remains a persistent challenge in acoustics. Conventional sound-absorbing structures struggle to mitigate low-frequency noise within limited spa...
Effects of crystal orientation on the shock properties of single crystal tin
Tin is known for its asymmetric crystal structure and numerous solid phase transitions, with molecular dynamics studies suggesting the beta to gamma phase transition exhibits a strong orientation depe...
Influence of pulse slippage on the tunable terahertz generation by q-Gaussian laser beats in a rippled magnetized plasma
The synergistic combination of q-Gaussian laser beams, an external magnetic field, and a density ripple in a plasma is theoretically explored as an efficient mechanism for generating coherent, tunable...