Journal of Applied Physics
Articles in this Issue
Remote-sensing based control of 3D magnetic fields using machine learning for <i>in operando</i> applications
In operando techniques enable real-time measurement of intricate physical properties at the micro- and nano-scale under external stimuli, allowing the study of a wide range of materials and functional...
Improving the wet-etching accuracy of Bi2Sr2CaCu2O8+<i>δ</i> crystal chips for high-temperature superconducting terahertz emitters using potassium hydroxide solution
The development of a technology for the microfabrication of Bi2Sr2CaCu2O8+δ (Bi2212) crystals is essential for realizing high-performance terahertz emitting devices based on Bi2212 single crystals. We...
Electroelastic guided wave dispersion in piezoelectric plates: Spectral methods and laser-ultrasound experiments
Electroelastic waves in piezoelectric media are widely used in sensing and filtering applications. Despite extensive research, computing the guided wave dispersion remains challenging. This paper pres...
Temperature-based reactive flow model for triaminotrinitrobenzene (TATB) plastic bonded explosives
A new reactive flow model is presented for triaminotrinitrobenzene (TATB)-based plastic bonded explosives, applicable to shock initiation and steady detonation problems of differing initial temperatur...
Enhanced spontaneous emission in proximity of a plasmonic nano-slit antenna
We investigate enhancement in the spontaneous emission (SE) rate of CdSe/ZnS core–shell quantum dots (QDs) by a semi-infinite plasmonic nano-slit antenna. Long Al2O3 filled nano-slits having ∼15 nm wi...
Wiedemann–Franz law and thermoelectric inequalities: Effective <i>ZT</i> and single-leg efficiency overestimation
We derive a thermoelectric inequality in the thermoelectric conversion between the material figure of merit (ZT) and the effective ZT of the module by combining the constant Seebeck coefficient approx...
Arsenic activation and compensation in single crystal CdTe bilayers
In state-of-the art polycrystalline CdTe photovoltaics, group-V dopant activation is about 2%. Low activation can create electronic defects and lead to recombination and band tail losses. To develop m...
Towards a hypervelocity optical track microparticle accelerator: Theory and initial validation experiments
We propose an optical track accelerator for generating hypervelocity beams of neutral microparticles. In this scheme, projectiles (dielectric microspheres from 1 to 20 μm in diameter) are fed into the...
Role of interfacial surface anisotropy on liquid grooving at grain boundaries: A phase-field study
Engineering materials are polycrystalline in nature, consisting of numerous single crystals interconnected through a three-dimensional interfacial network known as grain boundaries. Often essential in...
Controllable nonlinearities in Landau-quantized graphene
This article presents an exclusive study of the linear and higher-order susceptibilities, as well as the reduction in group index of a weak probe pulse in a three-level Landau-quantized graphene (LQG)...
Parametric study of “filament and gap” models of resistive switching in TaOx-based devices.
A finite element model consisting of a conducting filament with or without a gap was used to reproduce the behavior of TaOx-based resistive switching devices. The specific goal was to explore the rang...
Sound velocities, elasticity, hardness, and fracture toughness of novel <i>hcp</i> and <i>bcc</i> structured Ti-based medium-entropy alloys
Sound velocities, bulk modulus (B), shear rigidity (G), Young's modulus (E), Vickers hardness (HV), and fracture toughness (KIC) of Ti-based medium-entropy alloys (MEAs) of TiZrHf, TiZrNb, and TiHfNb...
Evidence of the magneto-optical Kerr spectral shifts induced by quasi-static strain
We demonstrate a dynamical wavelength shift in the magneto-optical Kerr spectrum of a Permalloy thin film, excited by femtosecond laser pulses. Through precise measurements of magneto-optical dynamics...
Dual-band selective rainbow trapping in two-dimensional gradient valley phononic crystals
The realization of topological rainbow trapping provides significant potential for applications in energy storage and recovery, signal sensing, and related fields. Most studies focus on the first band...
Flatbands of spin waves in two-dimensional magnonic crystals with kagome lattices
The study theoretically investigates the flatbands in two-dimensional magnonic crystals (MCs) with kagome lattices based on the plane-wave expansion method. In such MCs composed of ferromagnetic cylin...
High-temperature effects on oscillatory conductivity in disordered quantum dot arrays: Role of Coulomb interactions and localization length
Using a theoretical model that incorporates the full energy landscape of the electronic density of states of disordered arrays of quantum dots (DAQDs) with a realistic size distribution and non-unifor...
Phonon local non-equilibrium at Al/Si interface from machine learning molecular dynamics
All electronics are equipped with metal/semiconductor junctions, resulting in resistance to thermal transport. The nanoscale phononic complexities, such as phonon local non-equilibrium and inelastic s...
Thermal effects on metalenses
Metalenses, which are crucial for advancing miniaturization and enhancing performance in optical devices, have attracted considerable attention recently. However, the impact of temperature variations...
Ultrasonically induced microscopic refractive index gradient and the relationship with high-frequency ultrasonic cavitation
The refractive index of a medium can be modulated by external stimuli such as pressure, temperature, or electromagnetic forces. This principle enables fast, precise, and reversible optical control and...
Shock wave mitigation using periodically discrete material layers of variable orientation: Experiments and simulations
This paper reports the shock response of layered composites subjected to flyer-plate impact. The composites comprised of Oxygen-Free Copper (Cu) and polymethyl methacrylate layers angled between 0° an...
Rippled shock propagation in a laser-driven target at multimegabar pressures
The evolution of non-uniform shocks produced by modulated laser irradiation or surface perturbations is relevant to studies of inertial confinement fusion and material properties at high-energy-densit...
Thermal equations of state of B2-structured rubidium halides RbCl, RbBr, and RbI
In this study, we determined the thermal equations of state (EoS) for rubidium chloride (RbCl), rubidium bromide (RbBr), and rubidium iodide (RbI) in the B2 (CsCl-type) structure. We conducted in situ...
Metal free all oxide SnOx/HfOx bilayer transristor synapse for neuromorphic computing
Developing flexible and transparent memristors for emulating biological activities aligns with the growing demand for sustainable technologies in electronics. This paper presents the development and c...
Phonon dispersion filter: A physics-inspired feature selection for machine learning potentials
How to improve the accuracy and precision of machine learning potential functions while reducing their computational cost has long been a subject of considerable interest. In this regard, a common app...
Local structure of zinc–indium–tin oxide films via grazing-incidence x-ray pair-distribution functions and theoretical methods
A detailed experimental and theoretical study on the local (r ≤ 4.5 Å) atomic structure of amorphous and crystalline zinc–indium–tin oxide (ZITO) thin films using grazing-incidence x-ray Pair-Distribu...