Journal of Applied Physics
Articles in this Issue
Approach to improving the energy efficiency of thermoelectric coolers for IR detectors
The research is aimed at approaches to increasing the efficiency of thermoelectric coolers (TECs) for IR detectors and the development of experimental methods and tools for their implementation. One w...
Microparticle enrichment and steering via frequency-controlled acoustic bubble array
Manipulation of microscopic objects plays an essential role in broad applications. Microparticle enrichment and steering in microfluidic channels have been widely used in cell sorting and bio-analysis...
Investigation of microwave generation modes of nonlinear transmission lines based on microwave and low-frequency ferrites
A comprehensive analysis of the physical processes occurring in high-voltage nonlinear ferrite transmission lines in the microwave generation mode is presented. The nonlinear lines of the coaxial type...
Thermophysical property measurement of GaN/SiC, GaN/AlN, and AlN/SiC epitaxial wafers using multi-frequency/spot-size time-domain thermoreflectance
Gallium nitride (GaN)-based high electron mobility transistors (HEMTs) are essential components in modern radio frequency power amplifiers. In order to improve both the device electrical and thermal p...
Phonon amplification via magnetoelastic Klein scattering
Materials exhibit various wave-like excitations, among which phonons (lattice vibrations) and magnons (oscillations in ferromagnetic ordering) hold significant promise for future nanoscale technologie...
Impact of Sc-doping on structural, phase purity, and dielectric properties of AlN thin films
Aluminum nitride (AlN) thin films were deposited using RF magnetron sputtering at 150 and 175 W to investigate the impact of sputtering power and scandium (Sc) doping on their structural, phase purity...
Thermal effect of near-infrared lasers in single nanoparticle whispering-gallery-mode sensing in aqueous solution
Optical whispering-gallery mode (WGM) sensors have been developed for the detection of clinically relevant biomolecules, detection of materials in different phases and forms, and field-based sensing a...
A method of detecting magnetic interaction in the quantum spin liquid material NaYbSe2 through magnetic dilution
Quantum spin liquid (QSL) holds important application prospects in the realm of quantum computing, and the precise knowledge of magnetic interaction is essential for understanding the magnetism of QSL...
Effect of screening current on the electro-magnetic-force characteristics of high-field no-insulated coils
No-insulation (NI) superconducting coils have emerged as a critical area of research for attaining elevated magnetic fields, owing to their remarkable stability and quench resistance. This study intro...
Spot crosstalk characterization of microchannel plates
This study investigates the relationship between spot crosstalk performance and microchannel plate (MCP) parameters. MCPs are commonly employed in particle detectors, such as Intensified sCMOS (IsCMOS...
Low-radar cross section wideband circularly polarized patch antennas by controlling scattering and surface wave propagation with a coding metasurface
A new method using a 1-bit coding metasurface to reach a low radar cross section (RCS) for a wideband circularly polarized (CP) patch antenna is proposed. The essence of the technique is to simultaneo...
Insights into nitrogen-incorporated nano silicon oxide on the passivation performance of <i>p</i>-type tunneling oxide passivating contact structures
Although n-type tunneling oxide passivating contact (TOPCon) solar cells dominate the mainstream crystalline silicon (c-Si) technologies in the photovoltaic market, p-type TOPCon solar cells also hold...
Zero-group velocity combined-harmonic generation through counter-directional mixing and application for internal damage localization in composites
This paper investigates the generation of zero-group velocity (ZGV) combined-harmonic modes through the interaction of counter-directional mixing of guided waves in carbon fiber reinforced polymer (CF...
Role of ion milling angle in determining conducting and insulating states on SrTiO3 surfaces
SrTiO3 (STO), a promising wide-bandgap semiconductor for high-k capacitors and photocatalysis, requires precise surface control for device fabrication. This study investigates the impact of ion millin...
Modulation of magnetic phase transition and magnetic anisotropy in CrSe2 monolayer under biaxial strain
The discovery of two-dimensional magnetic materials paves the way for novel research directions and expands the applications of spintronics. In this study, we investigated the electronic structure and...
Electromechanical coupling induced multiple excitation mechanisms in conical dielectric elastomer resonators
Resonant actuation of the dielectric elastomer resonators (DERs) allows them to achieve outstanding output performance comparable to biological muscles and facilitates numerous applications of the DER...
Modeling glasses from first principles using random structure sampling
We present an approach to approximating static properties of glasses without experimental inputs rooted in the first-principles random structure sampling. In our approach, the glassy system is represe...
Composite structure design for broadband metamaterial absorption: Integrated nonlinearity and enhanced performance using lumped resistors
A new ultrathin and broadband metamaterial absorber featuring four integrated lumped resistors is presented and examined. The design incorporates nonlinearity to enhance the absorber's performance. Th...
Effects of nitrosyl fluoride based gas treatment on fluorination and redox reaction at GaN surface and Pt/GaN interface
The effects of nitrosyl fluoride (FNO) gas treatment on the surface of GaN(0001) and its interface with sputtered Pt were investigated by hard x-ray photoelectron spectroscopy (HAXPES). Annealing GaN...
Stability transition conditions of dislocation cores and Peierls stress
At the atomic scale, a dislocation in a crystal possesses two equilibrium cores: One has its symmetric center at the lattice point and is referred to as the O-core; the other has its symmetric center...
Bound states in the continuum of three-leg ladder topoelectrical circuits
Bound States in the Continuum (BICs) represent a distinct category of localized states with eigenvalue embeddings within extended states, maintaining strong localization and a high Q factor without hy...
Molecular dynamics simulation of Al (001) surface magnetron sputtering of WS2 thin films
WS2 is a two-dimensional solid lubricant with exceptional thermal stability. The WS2 thin films prepared by the magnetron sputtering method are effective in reducing friction and wear in critical comp...
Research on the acoustic performance of MPP and inverse design
Under specifying the noise frequency and sound absorption coefficient in engineering practice, the traditional method cannot quickly get the microperforated panel (MPP) structure size that meets the c...
<i>In-situ</i> reflectance analysis of Si-doped β-Ga2O3 films grown by MOVPE: The influence of doping concentration and substrate conductivity
This study examines the feasibility of using in-situ reflectance measurement for Si-doped β-Ga2O3 films homoepitaxially grown by metalorganic vapor-phase epitaxy on substrates with varying conductivit...
A practical theoretical model for Ge-like epitaxial diodes. II. Matching the experimental optical responsivity in <i>pin</i> devices
A theoretical model that can be used to simultaneously fit the I–V characteristics and spectral optical responsivity of Ge-like pin diodes is described in detail and validated experimentally using spe...