Journal of Applied Physics
Articles in this Issue
Super-resolution reconstruction of thermal property distributions in transient thermoreflectance
Pump–probe thermoreflectance technique encounters challenges in balancing high spatial resolution and high-throughput testing during wafer-level scanning. To address this, we introduce super-resolutio...
Revealing the emissivity of a photonic crystal slab with Ge(Si) nanoislands beyond the Г-point of the Brillouin zone
The paper presents an experimental method for analyzing the dispersion dependences of the emissivity of photonic crystal slabs, which allows one to reconstruct the dispersion of photonic crystal modes...
Simulation of x-ray fluorescence ghost imaging by inverse Compton scattering source: A feasibility study
X-ray fluorescence computed tomography (XFCT) has shown great potential in molecular biomedical imaging. However, conventional XFCT has some limitations, including sensitivity and a trade-off between...
Coupled mode effects in the stationary and transient behavior of squeezed channel field-effect transistors
While nanoscale multi-gate field-effect transistors (FETs) can mitigate unwanted short-channel effects, the quantum confinement of charge carriers significantly influences the device behavior, leading...
Effect of Ni concentration on the spallation behavior of CoCrFeMnNi high entropy alloy via atomistic simulation
We employ non-equilibrium molecular dynamics simulations to investigate the spallation behavior of CoCrFeMnNi high-entropy alloys (HEAs) with varying Ni concentrations. Our findings reveal a non-monot...
Enhanced piezoelectricity by phase transition in yttrium-doped carbon–boron clathrate ferroelectric
Carbon–boron clathrate ferroelectrics have emerged as promising candidates for high-performance piezoelectric applications. In this work, we investigate the origin of phase transition and the evolutio...
Design of a compact and integrated vortex field-emission electron source
Vortex electron beams in the energy range of 100–300 keV have been widely demonstrated in electron microscopy. However, the experimental realization of higher-energy vortex beams remains a major chall...
Nanometer scale control of solid phase epitaxy within ion beam-induced amorphous LiNbO3 using electron irradiation
Thin film LiNbO3 (TFLN), an important material for nonlinear optics, quantum devices, and microwave photonics, has a conductive layer that can affect low-frequency device performance. Here, we show u...
Insights into the lattice thermal conductivity of solids carrying type-I and type-II Weyl point phonons
In recent years, utilizing the exotic electrical/thermal transport properties of topological quantum states of matter has been proven as a new route to improve the performance of thermoelectric genera...
Unraveling cation distribution and defect roles in substituted ferrite performance: An atomistic DFT study
Nanoscale spinel-structured ferrites substituted with multivalent cations have garnered significant attention due to their tunable functional properties, essential for high-frequency electronics, ener...
Mechanistic insight into competing precipitation behaviors of phosphorus and oxygen in heavily phosphorus-doped Czochralski silicon
Heavily phosphorus-doped Czochralski (HP-Cz) silicon is a critical substrate material for power electronic devices. Its supersaturated phosphorus and oxygen impurities can precipitate during the devic...
Efficient nonlinear optical mixing enabled by Brillouin zone-folding-induced BICs and intrinsic leaky modes in one-dimensional photonic structures
Four-wave mixing (FWM), as a significant third-order nonlinear optical process, holds great promise for applications in quantum computing, imaging technologies, and other photonic fields. Here, we pro...
Coupled mode theory for acoustic vortex generation and manipulation via phase gradient metasurfaces
Metasurfaces offer a promising platform for controlling acoustic orbital angular momentum (OAM); yet, existing research studies are primarily limited to the qualitative prediction of the vortex diffra...
Resonant tunneling driven spin torque enhancement in magnetic tunnel junctions: A DFT-NEGF simulation study
We explore the potential improvements in the efficiency of magnetic tunnel junctions (MTJs) through the utilization of resonant tunneling in a quantum well-MTJ (qw-MTJ) with a non-magnetic metallic sp...
Measurement of elastic–plastic shock propagation and phase transition using multi-point time-gated Raman spectroscopy
This study utilizes in situ multipoint time-gated Raman spectroscopy to simultaneously measure molecular structural changes along with the corresponding changes in mechanical properties in shock-compr...
Revisiting four-phonon scattering in phosphorene monolayer: A first-principle study
The influence of higher-order anharmonic effects on thermal transport in two-dimensional (2D) materials is increasingly recognized. Here, we investigate these effects in the phosphorene monolayer, a 2...
Feasibility of <i>p</i>-type conduction in beta rhodium alloyed gallium oxide
Beta-gallium oxide (β-Ga2O3) has attracted extensive attention in the field of power devices owing to its ultrawide bandgap and well-established synthesis method. However, the lack of p-type conductiv...
Transient dielectric function and carrier related processes in doped cubic GaN determined by femtosecond pump–probe spectroscopic ellipsometry
We employ time-resolved spectroscopic ellipsometry to determine the transient dielectric function of cubic GaN for delay-times between 200 fs and 4 ns after excitation. This pump and probe based techn...
Electromagnetic metagratings for diffraction fields manipulation
Metagrating, an engineered surface platform that facilitates desired wavefront manipulation through precise control of diffraction orders, has attracted significant attention from researchers in both...
Investigation of vortex phases and pinning regimes in <i>α</i>-FeSe superconductor from magneto-transport measurements
Superconductivity in the α phase of FeSe emerges at 10 K in the presence of Se deficiency, underscoring the role of stoichiometry in its electronic properties. Unlike the other Fe based superconductor...
The effect of reactive elements on surface oxidation of a CoCrFeNi high-entropy alloy
Reactive element (RE) additions are widely known to improve the oxidation resistance of structural alloys in high-temperature applications, yet their atomistic role in oxide formation and adhesion rem...
Erratum: “Deciphering carrier dynamics in polycarbonate following excitation with ultrashort laser pulses” [J. Appl. Phys. <b>138</b> , 053103 (2025)]
Effective pulse number and energy distribution uniformity in laser scanning with Gaussian and cylindrical beams
This study presents a method for calculating the effective pulse number and energy dose uniformity in pulsed laser scanning for surface irradiation. The analysis focuses on Gaussian and cylindrical be...
Engineering the electronic structure of TiO2 by transition-metal doping: A first-principles DFT study
By means of first-principles density-functional theory (DFT) calculations, we perform a comparative analysis of the electronic and magnetic properties of transition-metal-doped TiO2. The electronic ba...
On the grating lobe of phased array antennas: A tutorial
This Tutorial provides a comprehensive and in-depth pedagogical insight into the phased-array antennas (PAAs), considering their widespread applications in the state-of-the-art 5G-Advanced/6G and high...