Journal of Applied Physics
Articles in this Issue
Engineering the magnetocaloric effect in Nd <i>T</i> 4B
We present a comprehensive study of the magnetocaloric effect (MCE) in the NdT4B system, where T = Fe, Co, and Ni. These compounds are ferromagnetic kagome materials with tunable ordering temperatures...
Pressure stability of superconductivity in Nb3Al: Role of low-frequency Nb–Nb chain vibrations and electron–phonon interplay
Nb 3 Al , an A15-phase superconductor, exhibits exceptional stress–strain tolerance and high critical current density, making it a promising candidate for high-field magnet applications. Using first-p...
NiPt (10 at. %) germanosilicidation of substrates with high Ge content
In this paper, a first assessment of Ni0.9Pt0.1 germanosilicidation on Si0.2Ge0.8 is proposed. An optimized surface preparation is identified, among various options including a chemical process based...
Magnetic properties of Ni80Fe20 films exposed to HF for integration in MEMS devices
One of the greatest challenges in the monolithic integration of micro-magnets in Si-based microelectromechanical systems (MEMS) is the release of suspended structures through exposure to hydrofluoric...
Study of dielectric properties of electrorheological fluids under high electric fields via normal stress
The mechanical properties of electrorheological fluids (ERFs) are primarily governed by the polarization characteristics of dielectric particles during their formation of chain–columnar structures und...
Electron chirped Pearcey–Gaussian vortex beam
The rapid development of structured electron beams has highlighted their potential value in frontier applications of electron optics. Motivated by this perspective, we focus on the properties of vorte...
Structural, optical, and electronic structure properties of Cu substituted NiO solid solutions
A comprehensive investigation of the electronic structure, both occupied and unoccupied states, of phase-pure Ni1−xCuxO (x = 0, 0.06, 0.10, 0.15, 0.22, 0.25) solid solutions is presented through the a...
Growth, electron transport, and transistors of N-polar distributed polarization-doped AlGaN channel on single-crystal AlN substrates
We report growth and electron transport of distributed polarization-doped (DPD) AlGaN channels on N-polar single-crystal AlN substrates by plasma-assisted molecular beam epitaxy, along with the initia...
Algorithm for Judd–Ofelt analysis of Pr3+ from the emission spectrum: Case study of Sr2LaF7:Pr3+ nano-powder
The Judd–Ofelt theory governs the intensity of 4fn ↔ 4fn transitions of rare earth ions in terms of an admixed induced electric dipolar character from higher energetic even parity states by the crysta...
Fabrication of nano-volcanoes with embedded sub-micropores for seal resistance characterization and intracellular delivery
High-aspect-ratio nanostructures can improve intracellular delivery through nanopores and enhance electrophysiological recordings by strengthening the physical coupling between cells and underlying mi...
Engineering anisotropy-driven charge and volume compensation in Eu3+–Li+ co-doped Y4Al2O9 phosphor: An integrated first-principles and experimental study
Rare-earth–activated inorganic phosphors form the backbone of solid-state lighting and advanced photonic technologies, where deliberate control of the activator environment through aliovalent doping i...
Blinking free single-photon emission from defect center based ZnO quantum emitters
Photoluminescence blinking is a major drawback of semiconductor nanoparticle-based single-photon emitters. Here, we present a novel work on the theoretical analysis of the blinking mechanism in zinc o...
Magnetic centrifuge effects in ultrafast laser ablation plasmas
A self-consistent model is developed to explain the anomalously large enrichment of nickel isotopes observed in ablation plumes from ultrafast laser irradiation of solid surfaces. The model is based o...
Terahertz magneto-nanoscopy of encapsulated monolayer graphene
This study investigates the nanoscale conductivity of encapsulated monolayer graphene at temperatures down to 5 K and magnetic fields of up to 1 T. We use the scattering-type scanning near-field optic...
Low-energy atomic carbon and oxygen ion interaction with Mo, W, and 12CaO⋅7Al2O3 electride
Negative carbon (C−) and oxygen (O−) ions are expected to find wide applications for ion implantation processes. However, systematic experimental data required for their efficient generation and the e...
Thickness dependence of ferroelectricity in GaFeO3-type epitaxial films
GaFeO3-type oxide films are promising multiferroic materials due to their coexistence of ferroelectricity and ferrimagnetism at room temperature. For device applications, understanding the thickness d...
Strong coupling between excitons and guided photons in WS2-hBN structures
We analyze the optical spectra of photonic structures composed of hBN films with embedded WS2 excitonic monolayers, designed to maximize light–matter interaction and Rabi splittings. These structures...
Optimization and stabilization of a compact laser-plasma EUV source based on pulsed Xe/He double-stream gas jets
We present our progress of a compact laser-plasma extreme ultraviolet (EUV) source based on Xe/He double-stream gas jets irradiated by a 700-mJ Nd:YAG laser. The source was characterized using a flat-...
Energy-dependent carrier masses of zinc blende semiconductors: Solved using the Kane approximation
The mathematical expressions for the effective carrier masses of zinc blende semiconductors are derived, with particular emphasis on their dependence on carrier energy. In this work, Hamiltonian matri...
Enhancement of the pyroelectric coefficient of lithium niobate crystals
This work achieved a significant enhancement of the pyroelectric coefficient of congruent lithium niobate (CLN) crystals through reduction treatment. The pyroelectric coefficient increased from 1.08 ×...
Processing-dependent near-field radiative heat transfer at Au/SiC interfaces
Thermal annealing is a widely used thin-film processing technique for modifying interfacial optical losses and electronic scattering in metals. Here, we investigate how thermal annealing of gold thin...
First-principles study on the lattice thermal conductivities of NbBO4 and TaBO4
Oxide materials, particularly ternary oxides, generally exhibit low lattice thermal conductivity due to their complex crystal structures. Here, using first-principles calculations, we demonstrate that...
Ultrathin lightweight flexible dual-polarized ultra-wideband electromagnetic wave absorbing composites based on complex pattern units
Electromagnetic wave absorbing materials raise research interest because their application in electromagnetic radiation control and other energy conversion domains. In addition, expansion mechanism of...
Programmable modulation of spin-wave propagation by antiferromagnetic domain walls
Spin waves (magnons) offer a low-energy alternative for information processing, requiring integrated control of their wave properties. This study demonstrates that a Dzyaloshinskii–Moriya-stabilized B...
Multilevel capacitive switching in the Ni/Ga2O3/ZnO metal–insulator–semiconductor heterostructure memcapacitor
Due to its low static power consumption, the memcapacitor has potential applications in the development of high-density neural network computing. Herein, the stable and uniform capacitive switching be...