Journal of Applied Physics
Articles in this Issue
Current-induced dynamics and instability pathways of skyrmioniums in chiral magnets
We present a comprehensive study of current-driven dynamics, transformations, and instabilities of skyrmioniums in chiral magnetic films, considering both isolated objects and collective states formin...
Lattice thermal conductivity decomposition: Peierls vs non-Peierls contributions
The Green–Kubo lattice thermal conductivity computed using the full classical heat current of a crystalline solid is compared with the results obtained from the quadratic component of the heat current...
Dispersion models describing coupled systems in doped crystals. I. A generalized model for bound–bound and bound–free coupling
State-of-the-art descriptions of coupled phonons rely on many-body Green’s functions, which, in principle, capture both single-particle properties and mutual interactions. Although this framework offe...
Dispersion models describing coupled systems in doped crystals. II. Infrared phonon excitations in GaAs single crystals and phonon–plasmon coupling in Zn-doped GaAs
We present a temperature-dependent infrared study of intrinsic and Zn-doped GaAs single crystals analyzed within a recently developed dispersion framework for coupled phonon–carrier systems. Reflectan...
Towards accelerating multi-energy x-ray ptychographic tomography through deep learning
X-ray ptychography is a coherent diffraction imaging technique that enables the visualization of samples with a spatial resolution of up to 4 nm. Spectral capabilities can be integrated into x-ray pty...
A stress-based fracture model for reacting metal ejecta
The evolution of reacting metal ejecta continues to be a topic of interest at the forefront of metals in reactive and extreme environments. Ejecta are small particles formed when the surface of a meta...
Epitaxial growth of anisotropic SnSe on GaAs(001) via step-edge orientation control
Epitaxial growth of orthorhombic SnSe on cubic substrates is challenging due to lattice symmetry mismatch and anisotropic bonding. Here, we demonstrate that epitaxial films with sharp interfaces can b...
Magnetically induced high <i>Q</i> quasi-bound state in the continuum mode via fundamental lattice mode coupling in complementary terahertz metasurface
Metasurfaces have emerged as powerful platforms for controlling electromagnetic waves through field confinement and resonance engineering. This work investigates the interplay between magnetic field-d...
Retraction: “Angle insensitive filters based on Fabry–Pérot resonance structures” [J. Appl. Phys. <b>136</b> , 193102 (2024)]
Isentropic compression of single-crystal aluminum: Extending bcc-persistence limit
Aluminum (Al), a key material in many high-energy density systems, is known to undergo phase transition (PT) from face-centered cubic (fcc) to hexagonal close-packed (hcp) and body-centered cubic (bcc...
Microstructural deformation and amorphization behavior of silver during ultra-precision cutting: Atomic-scale insights and experimental verification
Ultra-precision cutting, which employs diamond tools with nanoscale edge sharpness, is a promising technique for inducing extreme plastic deformation in metallic materials. In this work, pure silver i...
Critical thickness for near-field resonance in ultrathin terahertz metamaterials
Terahertz metamaterials provide an effective platform for manipulating terahertz waves and have attracted significant interest for sensing applications. However, realizing compact devices that simulta...
Algorithm to calculate the field and temperature dependence of average electron injection velocities from non-planar metallic cathodes
An algorithm is presented to first derive the average kinetic energy of the injected electrons during emission from flat metallic cathodes as a function of temperature and external electrostatic field...
Microstructural evolution of PETN thin films during thermal aging
Maintaining the microstructure of energetic materials under specific margins is critical to ensure safety and performance. We investigate microstructural evolution of pentaerythritol tetranitrate thin...
The impact of dislocation-mediated etching on the structure of porous GaN
Porosification provides a route to engineer the electrical and optical properties of semiconductors. This approach is particularly promising for gallium nitride (GaN), due to its high chemical, mechan...
Compensating intrinsic compositional grading in transition metal/rare earth ferrimagnets via power-modulated sputtering
Understanding how intrinsic composition gradients during sputter growth modify perpendicular magnetic anisotropy (PMA) of transition metal/rare earth ferrimagnetic alloys remains a key challenge for s...
Phase dominance and compositional disorder effects in Cu–Zn spacer alloys for spin-dependent transport in Co2FeGa0.5Ge0.5-based junctions: A first-principles study
Compositional disorder plays a critical role in determining transport properties in spintronic heterostructures and ultimately governs their experimentally realizable performance. In this work, we inv...
Multi-diagnostic characterization of laser-produced tin plasmas for EUV lithography
We present a comprehensive characterization of laser-produced tin (Sn) plasmas relevant to extreme ultraviolet (EUV) lithography using a multi-diagnostic suite integrated into the new experimental pla...
Microscopic flexoelectricity in the canonical PMN relaxor
Previously reported neutron scattering investigations of the canonical relaxor ferroelectric perovskite oxide with the chemical formula Pb(Mg1/3Nb2/3)O3 (PMN) are revisited to appreciate the role of t...
Tribological behavior of van der Waals heterostructures under incomplete contact
Exploring tribological behavior of two-dimensional materials and structures is highly critical for evaluating surface properties and designing functional surfaces with outstanding wear resistance and...
Coherent perfect absorption via bound states in the continuum in periodic silver grating–borophene structures
Efficient and dynamically controllable electromagnetic absorption is essential for integrated optoelectronic systems. Here, we propose a periodic silver grating–borophene structure that supports coher...
Conduction mechanisms and thermally assisted multilevel switching in MOCVD-grown MoS2 resistive random-access memory devices
Nonvolatile resistive random-access memory based on memristive switching has emerged as promising technology for next-generation computing and artificial intelligence hardware. Two-dimensional (2D) ma...
Adiabatic photonic nanotapers reveal black silicon antireflection properties
Black silicon textures are widely used as broadband antireflection layers, yet their optical response is difficult to interpret directly from their stochastic nanoscale morphology. Here, we show that...
Temperature dependence of charge carrier diffusion in GaN and AlGaN layers
The development of ultraviolet AlGaN-based LEDs and laser diodes focuses on efficiency and lifetime. Efficient light generation and the reduction of nonradiative losses in the active layers are key fa...
Investigation of the surface treatment of GaAsSb/Si using current– and capacitance–voltage measurements
In this study, the effects of surface treatments on the bonded interface between novel III–V absorber material GaAs0.51Sb0.49 latticed-matched to InP and Si are experimentally investigated. Both hydro...