Journal of Applied Physics
Articles in this Issue
Improvement of wide-bandgap Cu(In,Ga)Se2 solar cells by Cd-free ZnSnO buffer layers deposited via atomic layer deposition
Wide-bandgap chalcopyrite Cu(In,Ga)Se2 (CIGS) thin-film solar cells are promising candidates for tandem photovoltaic applications due to their high optical absorption and tunable bandgap. However, ach...
Special topic on phonon–magnon interactions: From fundamentals to device physics
Phonons and magnons are collective excitations in solids that provide charge-free platforms for information transport. Phonons are distinguished by their robustness and long coherence times, while mag...
Optical pulling of chiral Rayleigh particle due to coupling effect
The presence of strong near-field coupling interactions is shown in significant alterations to the electromagnetic field distribution of the nearby nanoparticles (NPs) in recent research studies, resu...
Diffusion of oxygen in aluminum nitride
In this study, we investigate the thermal diffusion behavior of oxygen in bulk aluminum nitride (AlN) using an aluminum oxide (Al2O3) coating layer as an oxygen source. We used dynamic secondary ion m...
Out-of-plane angle resolved second harmonic Hall analysis in perpendicular magnetic anisotropy systems
Spin–orbit torques (SOTs) are used to manipulate magnetization of ferromagnets in heavy metal/ferromagnetic bilayers and, thus, are technologically relevant from magnetization switching perspective. T...
Study on the nonlinear optical properties of Ag/CdS nanocomposite films
Using physical vapor deposition, cadmium sulfide (CdS) films, Ag nanoparticle films, and Ag/CdS composite films were successfully fabricated on substrates. The surface morphology, crystal structure, a...
Theoretical study of orbital torque: Dependence on ferromagnet species and nonmagnetic layer thickness
The manipulation of magnetization in ferromagnetic metals (FMs) through orbital torque (OT) has emerged as a promising route for energy-efficient magnetic devices without relying on heavy metals. Whil...
Heterostructured B-C particles: Bridging solid and mesoporous domains
Microparticles comprising two macroscopically distinct domains with different compositions, structures, and porosity are attractive as multifunctional materials. B–C microparticles with dual-domain st...
Examination of doping limits in GaN:Mg layers for superjunction devices
With the promise of lower specific on resistances and higher breakdown voltages, superjunction devices can be employed to improve power efficiency. GaN superjunction devices, however, have mostly been...
Revisiting the anisotropic complex refractive indices of sodium nitrate for interpretation of the reflectance spectra of pressed pellets
Reflectance spectroscopy is notoriously confounding in that the spectral response is highly dependent upon morphology. Fortunately, all such perturbations are neatly encoded by the complex refractive...
A time-resolved thermodynamic model for shock-induced chemical reactions in energetic structural materials
Energetic structural materials (ESMs) have garnered considerable interest owing to their combination of structural strength and ability to release chemical energy. The energy release of ESMs under sho...
Hydrogen gas sensing using platinum nanoparticles with nanogaps
In this study, we fabricated Pt nanoparticles with nanogaps on glass substrates and evaluated their electrical response to H2 gas. Pt nanoparticles with various gap sizes were exposed to H2 gas at 100...
Hash-matching-based local density matrix reuse method for efficient <i>ab initio</i> electronic structure construction in large-scale complex systems
First-principles electronic structure calculations for large-scale material systems with defects or dopants remain a major computational bottleneck in atomistic simulations. Here, we propose a target-...
Formation process and composition-dependent properties in non-centrosymmetric Ta2O5 phase with Zr substitution
(ZrxTa1−x)2O5−x was prepared by a solid-state reaction of ZrO2 and Ta2O5, and the L′-Ta2O5 phase was obtained by cooling the H-Ta2O5 phase. High-temperature x-ray diffraction measurements showed that...
Crystallinity regulated flexoelectricity in cellulose membranes
Compared to ferroelectric ceramics, polymers exhibit lower flexoelectric coefficients but offer superior processability and flexibility, making them attractive for deformable electromechanical systems...
Modulating water transport in fractured carbon nanotubes: The role of terahertz electric fields and nanotube geometry
The formation of sub-nanometre fracture gaps in single-walled carbon nanotubes (SWCNTs) represents a major limitation to their efficiency in transporting water. Through molecular dynamics simulations,...
A residual multi-layer perceptron framework for transmission prediction and physical interpretation of terahertz responses in multilayer compound metal–dielectric metasurfaces
Metamaterials have emerged as promising candidates for terahertz applications. Among different structures, metal–dielectric composite periodic arrays have gained significant interest due to their abil...
On the nature of deep-level defects in <i>β</i> -Ga2O3 epilayers: The impact of isochronal rapid thermal annealing
Deep-level transient spectroscopy (DLTS) and Laplace-DLTS were used to investigate electrically active defects in (010)-oriented β-Ga2O3 epilayers grown via metal-organic chemical vapor deposition and...
Frequency selective surfaces for the future of wireless technologies, trends, and applications
This paper presents a comprehensive review of Frequency Selective Surfaces (FSSs), highlighting their unique electromagnetic capabilities in controlling the transmission, reflection, and absorption of...
Room temperature ferromagnetism, perpendicular magnetic anisotropy, and sizable anomalous Hall conductivity in self-intercalated bilayer 1T-CrSe2
Two-dimensional (2D) magnetic materials exhibiting room temperature ferromagnetism have garnered significant attention due to their vast potential application and unique properties. The self-intercala...
Coexistence of quantum spin Hall effect and intrinsic piezoelectricity in I-doped monolayer Bi4Br4
The quantum spin Hall insulator with intrinsic piezoelectric response has attracted much attention due to its potential applications in topological electronic states and piezoelectric electric couplin...
Dynamic capacitive analysis and physical modeling on ZnO resistive random access memory (RRAM) for enabling neuromorphic computing
With the increasing demand for large data storage and artificial intelligence, resistive random-access memory (RRAM) thrives as one of the applicable candidates for the next-generation nonvolatile mem...
Heteroepitaxial integration of α-Ga2O3/p-NiO by mist-CVD for solar-blind UV detection
Solar-blind ultraviolet (SBUV) photodetection is critically demanded in military and civil fields thanks to its near-zero background radiation. Gallium oxide (Ga2O3) emerges as an ideal wide-bandgap s...
Reservoir computing in a lithium-based magneto-ionic device
In-materio computing exploits the intrinsic physical dynamics of materials to perform complex computations, enabling low-power, real-time data processing by embedding computation directly within physi...
Flexoelectric control of polarization in 2D materials
This review article provides an overview of polarization generation and control in two-dimensional (2D) materials through the flexoelectric effect. Polarization can be engineered across multiple lengt...