Journal of Applied Physics
Articles in this Issue
On-chip terahertz tunable topological valley photonic crystals
Active on-chip terahertz (THz) topological photonic devices are emerging as promising solutions to meet the growing demand for high-capacity interconnects, offering ultra-broad bandwidth, low loss, an...
Advances and integration of noise reduction materials and structures: A review of porous materials and acoustic metamaterials
As modern society advances, activities such as industrial production, transportation, and urban construction inevitably generate considerable noise, profoundly affecting both the living and working en...
Optimal Ge composition of Cu2(Sn1−xGex)S3 thin films for solar light absorption determined by spectroscopic ellipsometry
The complex refractive index dispersion relations of mainly tetragonal phase Cu2(Sn1−xGex)S3 thin films, deposited by spin coating, are obtained for 0 ≤ x ≤ 0.215 in the photon energy range from 0.60...
A perspective of doping in diamond: From nanoelectronics to quantum applications
Diamond is a material that has been previously considered for nanoelectronic applications and more recently for quantum computing. Despite its advantageous physical properties, the difficulty to dope...
Substrate-orientation dependence of <i>β</i>-Ga2O3 nitridation by RF nitrogen plasma for GaN heterojunction diodes
The influence of substrate orientation on the structural properties of heteroepitaxial GaN films grown on nitridated β-Ga2O3 (BGO) is investigated. The nitridation of (100), (001), and (2¯01) β-Ga2O3...
Acoustic energy harvesting based on Friedrich–Wintgen bound state in the continuum with bridged near-field coupling
In this work, we have designed and fabricated a symmetry-protected acoustic bound state in the continuum (QBIC) metamaterial that allows for simple modulation, with its operating frequency precisely c...
Wurtzite vs zinc blende phase selection in GaN nanowires
Due to the difference between the bandgap value of wurtzite and zincblende GaN variants, the realization of homo-epitaxial wurtzite/zincblende GaN heterostructures has been considered for long as an a...
Bleaching of the terahertz magneto-photogalvanic effect in CdHgTe crystals with Kane fermions
We report the observation and comprehensive study of the complex nonlinear intensity dependence of the magneto-photogalvanic effect (MPGE) current induced by THz radiation in CdxHg1−xTe films with inv...
Giant magneto-impedance effect in CoP/Cu bilayers meander-like sensing elements
The giant magnetoimpedance (GMI) effect, characterized by large variations in the electrical impedance of soft magnetic materials under weak magnetic fields, arises from changes in magnetic permeabili...
Fractal permeability model for gas flow in porous media with random asymmetric tortuous fracture network
Tree-like branching networks are ubiquitous in nature and engineering fields. Due to their self-similar fractal characteristics, they show unique advantages in the transport process. However, most of...
The role of flexoelectric coupling and chemical strains in the emergence of polar chiral nano-structures
This theoretical review examines the conditions that give rise to the formation of flexo-sensitive chiral polar structures in thin films and core–shell ferroelectric nanoparticles. It also analyzes po...
Pressure-induced electronic transition in vacancy-ordered halide double perovskite Cs2TeBr6
We report high-pressure x-ray diffraction, Raman scattering, photoluminescence, and absorption measurements on vacancy-ordered halide double perovskite Cs2TeBr6. An electronic transition becomes appar...
Ultrasensitive and broadband phototransistors with tellurium nanoribbon for polarized light detection
Ultrasensitive and broadband polarization photodetectors have attracted significant interest in the fields of imaging and encrypted communications for developing next-generation transparent electronic...
A piezoelectric circular crested lamb wave disk resonator with spurious mode suppression and quality factor enhancement
Nowadays, nearly all the reported Lamb wave resonators (LWRs) are straight crested LWRs, which suffer from inherent spurious modes and low quality factors (Q). Circular crested LWRs are promising repl...
Parametric study of extreme ultraviolet light source from 1- <i>μ</i> m-wavelength lasers via a simulation approach
Extreme ultraviolet (EUV) lithography, the patterning of fine semiconductor features with EUV light, is based on efficiently generating radiation within a narrow bandwidth around 13.5 nm by laser-prod...
Concept and analysis of lifetime-switching in pulsed semiconductor lasers
Generating short and strong pulses in solid-state lasers is usually achieved with Q-switching, whereby the quality of the laser cavity is switched from a low-quality value, used during a time interval...
The study on optical temperature measurement based on ESA and GSA design using abnormal thermal quenching behavior
Luminescence Intensity Ratio (LIR) temperature measurement in optical thermometry offers advantages, such as high sensitivity and accuracy, wide temperature range measurement, and fast response, makin...
Experimental and numerical investigation of laser intensity distribution influence on laser pressure loading
Laser shock applications are numerous and various. They all require to know how pressure loading—due to laser irradiation—is influenced by laser parameters. This study aims at analyzing the influence...
Mechanism on formation of abnormally fine intermetallic compound grains in soldering reactions with eutectic lead-free solders
This study demonstrates the mechanism governing interfacial intermetallic compound (IMC) grain refinement in eutectic solder systems during the initial stage of soldering reactions. The average IMC gr...
Determination of deformation potentials in InGaN at visible light region
We determined deformation potentials in InxGa1−xN at visible light-emitting region (0≤x≤0.4) by analysis based on the k⋅p perturbation theory for numerous experimental data of energy separation betwee...
Hydrodynamic forces in shape-morphed non-uniform cantilever beam resonator
Controlling hydrodynamic drag is an important problem related to the design of an atomic force microscopy tip in automotive and aerospace vehicles. In the past, there have been many studies related to...
A liquid-crystal-based programmable metasurface for full-space terahertz beam steering
Terahertz (THz) waves have shown unique advantages in fields such as communications and imaging, but their dynamic beam modulation is limited by single functionality and space utilization of tradition...
Transverse semiclassical corrections to field emission in curved nanoscale emitters
Nanoscale field emitters develop strong curvature-induced transverse confinement under applied electrostatic fields, a physical effect absent in conventional Fowler–Nordheim-type models. In this work,...
Characterization and modeling of the electrical nociceptive properties of HfO2/TiOx/SiO2-based memristive devices
This work explores the potential of Co/HfO2/TiOx/SiO2/Si-based memristive devices for mimicking sensory systems, leveraging the electrical nociceptive properties that arise from their resistive switch...
Abnormal trend for noninvasive BGL sensors using phase shift technology
For the first time, this paper finds and investigates the abnormal trend for the noninvasive detection of blood glucose levels (BGLs) based on phase technology. To support the findings, the basic micr...