Journal of Applied Physics
Articles in this Issue
A deep learning approach for high-resolution and enhanced efficiency in photonic power dividers
With recent developments, nanophotonics has emerged as a field of intense interest offering improvements in the performance of photonic integrated circuits (PICs). By significantly increasing data rat...
Comparison of NiFeCr and NiFe in ferromagnetic Josephson junctions
Josephson junctions containing ferromagnetic materials are under consideration for applications in digital superconducting logic and memory. Some memory applications rely on the ability to reverse the...
Dual-drive DC magnetic sensor based on converse magnetoelectric coupling effect
This study presents an innovative design for a direct current (DC) magnetic sensor that leverages the converse magnetoelectric (ME) coupling effect along with a novel dual ME coupling structure to sig...
Optothermal Raman analysis of thermal conductance and boundary resistance in a subwavelength single nanoparticle
We present optothermal Raman spectroscopy as a powerful technique for characterizing the thermal properties of individual subwavelength nanoparticles. This method enables the extraction of the intrins...
Strain evolution in La0.6Sr0.4CoO3−<i>δ</i> and SrTi0.3Fe0.7O3−<i>δ</i> multilayer systems
In this work, we investigated La0.6Sr0.4CoO3−δ / SrTi0.3Fe0.7O3−δ multilayer systems with different layer thicknesses. Reciprocal space mapping showed splitting of the reflections in the sample with 5...
Thermal performance of materials for heat-assisted magnetic recording
To increase the storage capacity of hard disk drives, Heat-Assisted Magnetic Recording (HAMR) takes advantage of laser heating to temporarily reduce the coercivity of recording media, enabling the wri...
Sensitivity of an integrated experiment to uncertainty in the high explosive equations of state
Traditionally, hydrodynamics simulations are performed with a single equation-of-state (EOS) to describe each material. These EOSs typically have a physics-informed functional form with adjustable par...
Multi-frequency microwave detection based on a spin-torque diode
In this work, we study a multi-frequency microwave detection phenomenon based on a spin-torque diode (STD). By applying appropriate bias current and magnetic field, the STD device is capable of simult...
Simulation of the magnetic and magnetocaloric effect by means of theoretical models in La0.52Dy0.15Pb0.33MnO3 compound
This study investigates the magnetic behavior and magnetocaloric properties of the La0.52Dy0.15Pb0.33MnO3 perovskite compound through a simple analysis based on theoretical modeling. Using the mean fi...
A physics-based DC model for organic transistors incorporating contact effects
In this article, we present a physics-based DC model for staggered organic thin film transistors (OTFTs) that incorporates the effects of physical mechanisms at both source and drain contacts. Bias-de...
Length scale and grid resolution effects in the simulation of shear and energy localization during pore collapse in shocked energetic crystals
Previous works [Herrin et al., J. Appl. Phys. 136(13), 135901 (2024), Nguyen et al., J. Appl. Phys. 136(11), 114902 (2024)] obtained atomistics-consistent material models for two common energetic crys...
The impact of the multichannel coupling effect on the description of electron scattering by isoprene molecules
In this paper, we report on integral, differential, and momentum-transfer cross sections for elastic and electronically inelastic scattering of electrons by the isoprene molecule. Excitation functions...
A novel approach to optimal design a piezoelectric micro-beam for energy harvesting using Mayfly algorithm
A novel optimization approach employing Mayfly optimization algorithm (MA) to enhance energy harvesting in bilayer piezoelectric microbeams is presented in this paper. Due to the existence of the size...
Ultra-thin integrated structure for low-frequency sound absorption and muffling
Low-frequency resonant acoustic structures possess similar underlying principles in sound absorption and muffling, but absorption and muffling are applied in different contexts. In this study, we prop...
Thermal conductivity of chemical vapor deposition diamond enriched with 13C isotope
Thermal conductivity κ(T) of single-crystal CVD diamond enriched with 13C isotope to 98.16% was measured by the method of steady-state longitudinal heat flow in the temperature range from 6 to 410 K....
Engineering strong magnon–phonon coupling in single CoFe nanomagnets
Hybrid magnonic systems are promising platforms for quantum technologies, leveraging coherent coupling between magnons and phonons. Here, we demonstrate strong magnon–phonon coupling in CoFe nanomagne...
Calculation of the melting curve, shock Hugoniot, and ramp adiabat of nickel up to the super-Earth pressure–temperature range
Nickel is one of the most plentiful elements in the metallic core of rocky planets, but its geophysical properties remain ambiguous at elevated pressures and temperatures. In this study, we develop th...
Solid–liquid interface stability in solidification of a binary mixture under conductive transport and convective flow
A linear instability analysis of the planar solid–liquid interface propagating into a binary liquid is revisited for a steady-state mode of crystallization. The model statement includes convective and...
Cosmic ray radiography of a human phantom
Cosmic ray muons that reach the earth's surface provide a natural source of radiation that is used for radiography. In this paper, we show that radiography using the cosmic radiation background provid...
Experimental investigation on nanowire array irradiated with ultrahigh intensity laser at x-ray free electron laser facility SACLA: Fabrication of nanowire array target and its application to ultrafast time-resolved measurements
Nanowire arrays—vertically aligned metal wires with a few hundred nanometers in diameter—are promising nano-structured targets for high-energy-density physics and related applications. We have been de...
Deciphering the full spectrum of phonon scattering by point defects
The change in mass and induced strain effects at the point defect sites lead to phonon scattering, which, in turn, reduces thermal conductivity. The scattering mechanism of phonons typically depends o...
Calculation and verification of optical diffraction performance of random metallic meshes
In this paper, the optical diffraction performance calculation method of random metallic meshes based on the secondary wavelet source far-field coherent superposition is proposed. First, the random me...
Anomalous eddy current loss in soft magnetic materials via Maxwell equations-coupled multiscale micromagnetic simulations
Unveiling the underlying mechanism of iron loss in soft magnetic materials is crucial for advancing power electronics. Despite its significance, anomalous eddy current loss, a part of iron loss, remai...
Ultra-low lattice thermal conductivity in 18 VEC quaternary Heusler alloys—Efficient thermoelectric materials
Quaternary Heusler alloys are known for their distinctive electrical and thermal properties, present fascinating opportunities for improving thermoelectric performance. By leveraging the unique charac...
Thermomagnetically controlled setting of double-biased hysteresis in NiFe/IrMn films with a single ferro-antiferromagnet interface
Exchange bias of NiFe/IrMn and NiFe/Cu/IrMn structures was modulated by thermal exposures in a magnetic field. The temperature ramping cycles consisted of three phases: Heating from room temperature (...