Journal of Applied Physics
Articles in this Issue
Dynamics of species separation induced by ultra-strong shock: A molecular dynamics investigation
Species separation induced by ultra-strong shocks is a fundamental topic for both inertial confinement fusion and high-energy-density experiments. However, how this phenomenon unfolds during the propa...
Terahertz excitation spectroscopy of Bi/GaAs heterostructures
In this work, heterojunctions consisting of thin monoelemental bismuth (Bi) layers have been grown on crystalline GaAs substrates with various doping types and investigated using THz pulse generation...
Achieving ultra-broadband thin microwave absorber by synthesizing all-dielectric and metal-based metamaterials
Metamaterial absorbers (MMAs) have been widely investigated in recent years. The synthesis of traditional metal-based MMAs and new-kind all-dielectric MMAs has great potential in improving absorption...
Multiphysics advances in analyzing the role of the interfaces and interphases in electrically conductive particle-filled nanocomposites
This Tutorial examines theoretical ideas and models related to interfaces and interphases in electrically conductive particle (e.g., carbon black)-filled polymer nanocomposites (PNC). First, special e...
Fractal design based on multi-scroll hidden attractor and its application in image encryption
In this research, on the basis of a seed chaotic system of no equilibrium point, some novel system models that can produce multi-scroll hidden attractors are given. Particularly, the new differential...
Developing reliable machine learning interatomic potential for Fe–Cr–Ni austenitic alloys
Gaining atomistic understanding of mechanical behavior of heat-resistant structural materials such as Fe–Cr–Ni-based alloys requires an approach with an accuracy close to density functional theory (DF...
Group IV binary carbides with double layer honeycomb lattice structure
We explore the possibility of SiC, GeC, and SnC to form 2D structures, using evolutionary structure prediction tools and first-principles calculations. For SiC, a double layer honeycomb structure has...
A coupling model of melting and damage evolution in the spallation of tin under shock loading
To provide insight into the spallation characteristics in tin (Sn) while accounting for the melting effect induced by high pressure, a coupling model was developed utilizing a combination of equation...
Phonon transport in Al-rich AlxGa1−xN thin films
AlxGa1−xN with a high Al composition (x) presents significant potential for advancing next-generation high-power electronic devices. To support the thermal design of AlxGa1−xN-based electronics, the t...
Optimized design of a relativistic diffraction generator based on POD/PSO method
When designing devices for high-frequency bands and high-power, it is inevitable to use overmoded structures. This paper proposes a proper orthogonal decomposition (POD) and a particle swarm optimizat...
Near-field electroluminescent cooling with wide-bandgap semiconductors
Electroluminescent cooling involves a forward-biased light-emitting diode with electroluminescence exceeding the input electricity, leading to refrigeration of the diode. Achieving electroluminescent...
Morphology dependence of ZnO nanorod luminescence
The optical properties of high-quality zinc oxide nanorods grown by the self-catalytic CVD method are considered. The effect of irradiation of an array of nanorods by a low-energy electron beam at 85 ...
Development of an interatomic potential for Ga<i>x</i>In1−<i>x</i>P and its application in describing the mechanical, structural, vibrational, and thermal properties as a function of atomic ordering
Molecular dynamics simulations are employed to investigate the pseudoternary alloy GaxIn1−xP using a transferable interatomic potential fitted to the experimental properties of the binary compounds In...
First demonstration of underground muon imaging at an archaeological site in ancient Jerusalem
We present a novel underground imaging system that utilizes cosmic-ray muons to explore the subsurface environment at the City of David archeological site in ancient Jerusalem. The method exploits the...
Simulation of the performance of an electron-tracking Compton camera using a two-dimensional image sensor and analytical method
This report proposes a high-accuracy Compton camera (CC) designed to improve gamma-ray visualization, which addresses the limitations of size and complexity of standard CCs. As a single-layer CC has l...
Nanosecond vs picosecond: The potential for advanced solar cell processing via pulsed laser technology
Pulsed laser technology plays a crucial role in the fabrication of high-efficiency silicon solar cells, especially in enabling sophisticated architectures such as the interdigitated back contact silic...
The graphene intercalation in realizing giant tunneling electroresistance in HfO2 ferroelectric tunnel junctions
Hafnia-based ferroelectric tunnel junctions (FTJs) have recently aroused significant interest due to their compatibility with complementary metal-oxide-semiconductor processes, as well as their potent...
Growth and microstructural study of In2O3 single-crystalline thin films via low-pressure chemical vapor deposition
Epitaxial In2O3 thin films with well-defined (111), (100), and (110) crystallographic orientations were successfully grown on yttria-stabilized zirconia substrates via low-pressure chemical vapor depo...
Design of high-hardness complex concentrated alloys from physics, machine learning, and experiments
High-strength alloys are intimately connected to human development, from the bronze age to the current applications in aerospace and energy. State-of-the-art alloys are engineered to harness strengthe...
Confocal photoluminescence and x-ray photoelectron spectroscopy study of electron irradiation-induced fluorescence from oxidized porous 4H silicon carbide surface
A broad spectrum of green light emission from oxidized porous silicon carbide surfaces was found to be induced by electron beam irradiation. Using confocal microscopy, the spatial and spectral propert...
Manipulation of pulse propagation via tunable electromagnetically induced transparency in a (In,Ga)As/GaAs quantum dot system
This study investigates the tunable propagation of optical pulses in a three-level system of coupled quantum dots. The system forms an effective closed configuration, supporting strong quantum coheren...
Enhancing superconducting performance and microhardness of bulk MgB2 through novel melamine doping
This study investigates the effect of melamine (C3H6N6), a novel carbon-based compound, on the superconducting and mechanical properties of MgB2. Samples were synthesized using the composition 1 Mg + ...
Optimal flow and scaling laws for power-law fluids in elliptical cross-sectional self-similar tree-like networks
Tree-like self-similar branching networks with power-law fluid flow in elliptical cross-sectional tubes are ubiquitous in nature and engineered systems. This study optimizes flow conductance within th...
Muon imaging of a blast furnace: The European project BLEMAB
In the central area of a blast furnace, called “cohesive zone,” the high temperature up to 2000°C allows us to melt most of the materials in input. The performance of a blast furnace depends on the sh...
Effect of Tm3+ codoping on Ca2Si5N8:Eu2+, Tm3+ red long-afterglow phosphor
Ca2Si5N8:Eu2+ is known to exhibit a long red afterglow when codoped with Tm3+. In this study, the effects of Tm3+ codoping on the afterglow properties of Ca2Si5N8:Eu2+ are investigated in detail using...