Journal of Applied Physics
Articles in this Issue
Femtosecond temperature measurements of laser-shocked copper deduced from the intensity of the x-ray thermal diffuse scattering
We present 50-fs, single-shot measurements of the x-ray thermal diffuse scattering (TDS) from copper foils that have been shocked via nanosecond laser ablation up to pressures above ∼135 GPa. We hence...
A micromagnetic study of surface-acoustic-wave-driven excitation of spin waves in an iron-based conduit
We propose a magnonic device based on resonant magnetoelastic coupling and surface acoustic waves as an alternative way to excite spin waves. Using micromagnetic simulations, we study the generation a...
Ultrafast observation of shock wave formation in aluminum under direct femtosecond laser irradiation
Shock wave formation in aluminum after the direct irradiation of a femtosecond laser pulse with an intensity of 1014 W/cm2 onto the metal surface in air was observed using frequency-domain interferome...
Investigating the dependence of the biquadratic exchange interaction on extrinsic factors in permalloy–ruthenium synthetic antiferromagnets
In this work, we extract the temperature-dependent bilinear J1 and biquadratic J2 exchange energy densities in permalloy–ruthenium-based synthetic antiferromagnet bilayers, trilayers, and tetralayers....
A hybrid metamaterial with broadband radar cross section reduction and low infrared emissivity for multispectral stealth
Metamaterials exhibiting exotic electromagnetic properties present new opportunities for countering multi-spectrum detection technologies. In this paper, a hybrid metamaterial with broadband radar cro...
Solute-drag forces from short-time equilibrium fluctuations of crystalline interfaces
The design of polycrystalline alloys hinges on a predictive understanding of the interaction between the diffusing solutes and the motion of the constituent crystalline interfaces. Existing frameworks...
Stability, binding, and charge localization in amorphous tin monoxide: a-SnO and a-Sn–Ta–O with variable composition
The structural, electronic, and optical properties of amorphous SnO and Sn–Ta–O (with Sn:Ta ratios 5:1, 3:2, and 1:2) are investigated as a function of density and metal composition using ab initio mo...
Control of ferroelectric domain wall dynamics by point defects: Insights from <i>ab initio</i> based simulations
The control of ferroelectric domain walls and their dynamics on the nanoscale becomes increasingly important for advanced nanoelectronics and novel computing schemes. One common approach to tackle thi...
Effects of localized laser-induced heating in the photoluminescence of silicon-vacancy color centers in 4H-SiC
Silicon-vacancy (VSi) color centers in 4H-SiC are optically accessible through their zero-phonon line (ZPL) photoluminescence (PL), which is sensitive to the sample temperature. We report the effects...
RETRACTED: Inter-layer coupling and superconductivity in Cu0.5Tl0.5-1223 samples
Inter-CuO2 planar distances in Cu0.5Tl0.5Ba2Ca2Cu3O10−δ, Cu0.5Tl0.5(BaCa)(Ca2−xMx)Cu3O10−δ (M = Mg; x=1,2), and Cu0.5Tl0.5(BaMg)(Mg2−xMx)Cu3O10−δ (M = Be; x=1,2) superconductors were doped with Mg and...
Development of techniques for the dielectric constant measurement in matter in ultrahigh magnetic fields exceeding 100 T
We present a development of the dielectric constant (ɛ) measurement technique in ultrahigh magnetic fields using radio frequency (RF) modulation. The ultrahigh magnetic fields exceeding 100 T are gene...
A lip vibration model using mechanical properties of flesh
The mechanics of brass instrument playing extend beyond simple lip tension. While the mechanical properties of human lips vary between relaxed and fully contracted states, these properties alone canno...
Grid residual adaptive resampling for physics-informed neural networks to solve incompressible Navier–Stokes equations
This study aims to tackle the challenges of nonlinearity and coupling that Physics-Informed Neural Networks (PINNs) encounter when solving the incompressible Navier–Stokes equations. The research core...
Measurement of electrical characteristics of Ge-based diodes with thermal GeO2 films exposed to controlled humidity conditions
We investigated the impact of the interaction between gas-phase water molecules and thermally oxidized GeO2 on Ge on the performance of metal–oxide–semiconductor (MOS) structures. A vacuum-integrated...
Magnonic analog of a metal-to-insulator transition in a multiferroic heterostructure
We show how, by changing the polarization value of ferroelectric domains, it is possible to tune the magnon conductivity in the ferromagnetic film layer of a multiferroic magnonic system. In particula...
Omnidirectional retroreflectors based on flexural wave metagratings
Omnidirectional retroreflectors that reflect the obliquely incident wave along its incident direction in the omnidirectional angle range are highly desired for the control and manipulation of flexural...
Evidence of counter-propagating solidification fronts in silicon upon femtosecond laser induced amorphization
We have investigated the melting and solidification dynamics in crystalline silicon upon single-pulse fs laser irradiation at a wide range of laser wavelengths (UV–mid-IR), employing real-time reflect...
Spin-current drift–diffusion transport in common spin–orbit-torque structures
We summarize and simplify the drift–diffusion transport of spin-currents in s-band dominant transition metal systems for a few well-studied one dimensional solutions for technology-relevant measuremen...
Computational investigation of platelet adhesion mediated by von Willebrand factor under shear flow
von Willebrand factor (vWF) is a crucial plasma glycoprotein that facilitates thrombus formation by promoting platelet recruitment in response to shear-induced conformational changes during blood flow...
A thermodynamic theory of coupling between point-defect diffusion and dislocation plasticity
This article describes a unified, thermodynamically consistent model for irradiation creep that combines dislocation glide and the stress-induced preferential absorption (SIPA) of point defects at dis...
Xenon–metal pair formation in UO2 investigated using DFT + <i>U</i>
A recent experimental study on a spent uranium dioxide (UO2) fuel sample from Belgium Reactor 3 identified a unique pair structure formed by the noble metal phase (NMP) and fission gas [xenon (Xe)] pr...
Rarefied xenon flow in orificed hollow cathodes
A parametric study is conducted to quantify the effect of the keeper electrode geometry on the xenon neutral flow quantities within orificed hollow cathodes, prior to ignition. The keeper impinges dir...
Heterogeneous domain structure induced by alternating current poling in Pb(Mg1/3Nb2/3)O3–PbTiO3 single crystal
The thickness of the piezoelectric single crystals is known to have a significant impact on their piezoelectric properties. For high-performance transducers used in high-frequency medical diagnostic a...
Defect investigation of undoped wide bandgap materials: Comparison between charge transient spectroscopy (QTS) and inverse Laplace QTS
Understanding the electrically active defects and impurities in semiconductors, especially in intrinsic or unintentionally doped wide bandgap materials, still remains a challenge. Here, time-of-flight...
Electronic structure of solids and their plastic properties
This article examines the relationship between the electronic structure and the mechanical properties of solids. It is shown that these properties depend on the spatial distribution of valence electro...