Journal of Applied Physics
Articles in this Issue
Scaling behavior of electromagnetic wake fields induced by underwater vehicles based on the hydrodynamic similarity
When underwater vehicles navigate through the ambient geomagnetic field, the motion of ionized seawater in their wake generates electromagnetic signals, which have significant applications in underwat...
Prediction of vacancy defect diffusion paths in high entropy alloys via machine learning on molecular dynamics data
Identifying the diffusion path of point defects is a critical step in understanding their evolution and the mechanisms of related phenomena. Defect diffusion occurs at small length and time scales, wi...
Ferroelectric superdomain switching for multi-stage negative capacitance
Ferroelectric negative capacitance is highly promising for reducing the power consumption of ferroelectric-based devices. However, the bistable nature limits the ferroelectrics that present one negati...
Influence of organic/ferromagnetic interfacial resistance upon spin-transport in Co/PVDF/Fe3O4 organic ferroelectric spin valves
This article investigates room-temperature spin transport in organic ferroelectric spin valve devices, separated by polyvinylidene fluoride (PVDF) thin films. The impedance mismatch at the ferromagnet...
Review of radiation-induced defects in GaAs
Radiation-resilient optoelectronic materials are highly desired in space and nuclear applications, and understanding the relevant defects and electronic processes in those materials is crucial for bot...
The influence of matching network on the discharge uniformity of dual-frequency capacitively coupled Ar plasma
An improved L–π type matching network is proposed to optimize the discharge uniformity of dual-frequency capacitively coupled plasma. A combination of the experimental and numerical simulation methods...
A new detector for muography applied to glaciers monitoring
We present the design of a muon tomographer intended for the monitoring of glacier thickness. The process of glacier melting is not completely understood and is considered a hot topic in view of globa...
Interfacial phonon engineering in 2D heterostructures for cavity-less optomechanical systems
Two-dimensional materials such as graphene are expected to emerge as crucial platforms for on-chip integrated optomechanical systems due to their atomic-scale thickness, strong light–matter coupling,...
Gear acoustic metamaterial bandgap sound insulation characteristics and optimized design
A gear acoustic metamaterial (GAM) for broadband noise reduction is proposed. The design is optimized by a genetic algorithm to achieve structure evolution and bandgap widening. As the structure evolu...
Broadband terahertz metasurfaces for anomalous reflection and vortex beam generation
This paper presents a broadband terahertz (THz) meta-atom composed of copper and polyimide, capable of efficient wavefront modulation. By leveraging the Pancharatnam–Berry phase mechanism, the meta-at...
A molecular dynamics study of chemistry-inspired nanoporous aluminum structures
Nanoporous metal structures are of high interest in both academic research and industry due to their tunable mechanical properties and light weight. However, understanding the mechanical properties of...
Phosphorus-doped silicon oxidation for carbon-free SiO2 formation on silicon carbide: Lowering of interface state density
In this study, a novel strategy for the formation of SiC gate oxide layers has been introduced through re-oxidation of a phosphorus-doped (P-doped) n-type silicon layer grown on SiC. This approach all...
Nonlinear valley thermal physics in two-dimensional materials
This study delves into the intrinsic nonlinear valley thermal effects, driven by a system’s quantum metric. Our findings elucidate that valley indices in the nonlinear effect are distinguishable by th...
Room-temperature half-metallic magnetism in stable self-intercalated 3d transition metal chalcogenide bilayers
The search for 2D magnets with Curie temperatures above room temperature is crucial for spintronics. Intercalation in 2D materials is a promising strategy to improve performance. We performed a thorou...
Anisotropic magneto-optical response in topological nodal-line semimetals
We theoretically investigate the magneto-optical response in nodal-line semimetals (NLSMs), focusing on the roles of doping, spin–orbit coupling (SOC), temperature, and magnetic field. Incorporating a...
Transmission electron microscopy of stressed GeSex-based threshold switching devices
Two types of nanoscale structures with amorphous GeSex functional layers were fabricated to assess the elemental segregation in devices stressed by the application of an electric field and/or a temper...
Thermal properties of GaN layers on foreign vs native substrates: Enabling cost-effective solutions for vertical GaN-based transistors
Gallium nitride (GaN) has gained significant traction in power electronics due to its high electron mobility and breakdown voltage. However, the high cost and small available size of native GaN substr...
Substrate integrated waveguide resonator sensor for X-band dielectric constant characterization
This work presents the design, simulation, and experimental validation of a compact single-port microwave sensor based on substrate integrated waveguide technology. The proposed sensor consists of a c...
Low-temperature cotunneling electron transport in photo-switchable molecule-nanoparticle networks
We report the temperature-dependent (4.2–300 K) electron transport properties (current–voltage) of photo-switchable two-dimensional arrays of gold nanoparticles (10 nm in diameter) functionalized by a...
Development of portable cosmic-ray muon detector array for muography
As the multidisciplinary applications of cosmic-ray muons expand to large-scale and wide-area scenarios, the construction of cosmic-ray muon detector arrays has become a key solution to overcome the h...
Effects of different fillers on thermal reaction and impact ignition of aluminum/epoxy energetic materials
In order to regulate the thermal/impact sensitivity of aluminum/epoxy (Al/Ep)-based reactive materials, a four-component aluminum/epoxy/potassium permanganate/titanium dihydride (Al/Ep/KMnO4/TiH2) rea...
The role of sample–window coupling in shock temperature experiments
Radiometric studies of opaque materials under shock compression probe a sample–window interface that may be very different than the bulk state. Subtle experimental details, particularly an initial sam...
Obtaining accurate spectral response measurements of a semiconductor-based photon detector with an FTIR: Properly correcting for the pyroelectric reference detector frequency response
Pyroelectric detectors are commonly used as the reference detector when measuring a photon detector’s spectral response using a Fourier-transform infrared (FTIR) spectrometer because their fundamental...
Strategy to obtain epitaxial aluminum scandium nitride thin films with reduced defect densities by magnetron sputtering
AlScN-based bulk acoustic wave resonators with enhanced performance have become attractive for meeting the demanding requirements of the 5G telecommunication industry. For resonators to have better pe...
Formation of self-organized nanodomain arrays in triglycine sulfate crystal by rapid cooling
We have studied the formation of self-organized nanodomain arrays in nominally pure triglycine sulfate single crystals induced by cooling samples below phase transition. The initial striped domain str...