Journal of Applied Physics
Articles in this Issue
Crystal phase transformation controlling crack propagation and interaction between cracks: A molecular dynamics simulation in <i>α</i> -Fe
Crack propagation and interaction in metals are often governed by stress-driven phase transformations at the atomic scale. Here, we uncover how the body-centered cubic (bcc) to face-centered cubic (fc...
<i>μ</i> TRec: A muon trajectory reconstruction algorithm for enhanced scattering tomography
Cosmic ray muons are highly penetrating subatomic particles, making muon tomography a powerful non-invasive technique for imaging dense and large-scale structures. As muons traverse matter, they under...
Decoupling chiral energy and chiral damping contributions in domain wall dynamics via symmetry arguments
Chirality has been extensively studied in magnetic materials lacking inversion symmetry due to its crucial role in spintronics. In this study, we present an experimental scheme to quantify both the Dz...
Anisotropic mechanical response of carbon fiber under the optical force of a tightly focused laser beam
The integration of bended carbon fiber into optical waveguides demonstrates potential for applications such as grip strength sensors and redirecting the light path. In this study, we investigated the...
Photoluminescence in single-layer MoS2: The role of impurities and doping
Photoluminescence is an important property intervening in the efficiency and performance of single-layer MoS2 optoelectronic devices. The variation of photoluminescence with impurities related to the...
Toward joint muography and ground deformation monitoring for volcanic unrest assessment
Muography is a geophysical monitoring technique that allows passive, remote, and high-definition density imaging of volcanoes by measuring the yield of penetrated cosmic-ray-induced muon particles. Th...
Kesterite CZTS-based RRAM device for neuromorphic applications
Artificial neural network-based resistive switching devices are a better alternative to the von Neumann bottleneck of emerging memory devices because of the integrated data and processing unit with lo...
Effect of ground electrode positioning on plasma dynamics and reactive species generation in a double-ground electrode plasma jet
This study investigates how double ground electrode positioning influences current flow dynamics to enhance reactive oxygen species (ROS) and reactive nitrogen species (RNS) production in a plasma jet...
Efficient calculations of phonon-assisted Auger recombination in InGaN/GaN quantum wells based on the effective-bond orbital model
An efficient calculation scheme for direct and phonon-assisted Auger recombination in both III-nitride bulk materials and quantum well (QW) heterostructures, based on the effective-bond orbital model...
Dual mechanism synergistic optimization of thermal stability and power consumption of Sb3Te phase-change random access memory
With the rapid development of data storage technology, the research on phase-change memory materials has attracted much attention. In this study, C and Re co-doped Sb3Te films were prepared by magnetr...
<i>In situ</i> patterned damage-free etching of three-dimensional structures in β-Ga2O3 using triethylgallium
In this work, we report on the anisotropic etching characteristics of β-Ga2O3 using triethylgallium (TEGa) performed in situ within an MOCVD chamber. At sufficiently high substrate temperatures, TEGa...
Capturing non-equilibrium electron dynamics in metals accurately and efficiently
The simulation of non-equilibrium electron distributions is essential for capturing light–metal interactions and therefore the study of photoabsorption, photocatalysis, laser ablation, and many other...
Updates on MURAVES Project at Mt. Vesuvius
The MUon RAdiography of VESuvius (MURAVES) project aims to employ muography imaging techniques to investigate the internal structure of the summit of Mount Vesuvius, an active volcano located near Nap...
Dual-band topological rainbow trapping and frequency separation in two-dimensional elastic phononic crystals
Rainbow trapping and the frequency separation of elastic waves in topological phononic metamaterials hold significant promise for information processing. However, a shared acoustic channel for frequen...
A gigawatt Ka-band relativistic backward-wave oscillator with an internal resonant output
The millimeter wave (such as Ka-band) relativistic backward wave oscillator (RBWO) operating at gigawatt power is contemporary pivotal due to the high vulnerability of vacuum breakdown in compact devi...
Nonlinear dynamic characteristics of mutually coupled heat-driven thermoacoustic oscillators: Dissipative and time-delay coupling effects
Complex nonlinear dynamic phenomena, such as synchronization and amplitude death, are commonly observed in mutually coupled heat-driven thermoacoustic oscillators. A comprehensive analysis of these no...
Perspectives of active Si photonics devices for data communication and optical sensing
Si photonics has made rapid progress in research and commercialization in the past two decades. While it started with electronic–photonic integration on Si to overcome the interconnect bottleneck in d...
Comparison of molecular dynamics informed particle-in-cell carbon sputter simulations with ground facility experiments
Accurate tracking of sputtered carbon species is crucial in assessing the lifetime of critical components in high-power electric propulsion systems. This study investigates carbon sputtering in high-p...
Structural and interface band alignment investigations on epitaxial β-Ga2O3/α-GaCrO3 type-II transparent heterojunction
Herein, we investigate structural and electronic properties of β-Ga2O3 and p-type Ni-doped α-GaCrO3 (α-GaCrO3:Ni) heterostructure, focusing on its potential for charge separation and rectification mec...
Flexoelectricity of largely deformed graphene crumple nano sheet subject to hydrostatic pressure
We perform molecular dynamics simulations combined with a charge-dipole model to investigate the flexoelectricity evolved from the largely deformed stable graphene crumples. Spherically compressed def...
Asymmetric electronic band alignment and potentially enhanced thermoelectric properties in phase-separated Mg2X (X = Si,Ge,Sn) alloys
The Mg2X (X = Si, Ge, Sn) based alloy is an eco-friendly thermoelectric material for mid-temperature applications. The Mg2Si1−xSnx and Mg2Ge1−xSnx alloys can be phase-separated into Si(Ge)- and Sn-ric...
A simulation comparison of 3D reconstruction techniques of muography for blast furnace
To monitor industrial processes within blast furnaces (BFs) using muography, this study focuses on resolving the internal cohesive zone-dead man boundary (CDB). This boundary, which separates the furn...
Strategies for modifying the sidewall properties of InGaN/GaN micro-LEDs analyzed by the impact of the sidewall on charge carrier distribution and cathodoluminescence
Micro-LEDs generally suffer a loss of efficiency when they are reduced in size, as the sidewall has an increasingly greater impact on overall performance and promotes non-radiative surface recombinati...
Cryogenic microwave whispering gallery mode spectroscopy of paramagnetic impurities in high-purity crystalline LiF
A low-noise cryogenic microwave spectroscopy experiment was performed on a high-purity lithium fluoride (LiF) crystal. The spectroscopy data revealed avoided level-crossing interactions in whispering...
A model for single shot positron annihilation lifetime spectroscopy
A model is presented for analyzing positron–electron annihilation spectra obtained using single shot positron annihilation lifetime spectroscopy. The model is tested against data resulting from 1×106...