Journal of Applied Physics
Articles in this Issue
Electronic properties of MAPb<i>x</i>Sn1−<i>x</i>I3 hybrid perovskite alloys: k.p modeling for tetragonal crystal symmetry with C4<i>v</i> point group
MAPb x Sn 1 − x I 3 alloys are highly promising for photovoltaic, optoelectronic, and spintronics applications. Using k.p calculations, we derived the fundamental band parameters of these tetragonal h...
Anomalous phonon thermal transport in boron chalcogenides: Role of four-phonon scattering
We report the phonon thermal transport properties of two-dimensional (2D) and bulk boron chalcogenides using the density functional theory-driven Boltzmann transport equation approach by considering t...
Shock compression of [101¯0]-axis zinc single crystal
Zinc single crystals have been shocked by planar impact along the [101¯0] axis as well as in the off-axis direction. The evolution of compression waves has been analyzed from the free surface velocity...
Piezoelectric thin films and their applications in MEMS: A review
With the increasing demand for devices in miniaturization, accuracy, and low power consumption, developing microdevices in the form of piezoelectric thin films is significant for microelectromechanica...
Design of miniaturized and polarization insensitive frequency selective surface filter with large band ratio
In this paper, a miniaturized and polarization insensitive frequency selective surface filter with large band ratio (BR) is presented. This structure consists of one metal layer and two dielectric lay...
Investigation on coupling between ferro-orderings and energy harvesting properties of nickel ferrite and strontium modified barium titanate composites
Environment-friendly, low power-consuming magnetoelectric composites possess the interesting coupling between various ferro-order parameters and find applications in magnetic sensors, waveguides, tran...
Crystalline–disordered–crystalline transition in nitrogen–carbon materials
Nitrogen–carbon (N–C) materials range from graphitic carbon nitride (g-CN) to graphite with nitrogen defects. Between these two crystalline extremes lies a spectrum of semi-crystalline and disordered...
Impact of Ga overpressure on the metal modulation epitaxy growth of AlN/AlGaN short period superlattices
The formation of AlN/AlGaN short period superlattices (SPSLs) was investigated though the introduction of a constant Ga overpressure during the metal modulated epitaxy (MME) growth of AlN. A combinati...
Tunable piezoresistivity for sensors with antiferromagnetic pure Cr and Cr-rich alloy thin films: Cr–V, Cr–W, Cr–Mn
Sputter-deposited thin films of pure chromium and chromium-rich alloys with V, W, and Mn are evaluated in terms of electrical resistivity and piezoresistivity, as measured by the gauge factor, from ro...
Determination of the thermal conductivity of nanowires based on the metal–insulator transition of VO2
We develop the theoretical foundation to determine the thermal conductivity of a single nanowire by using the optical contrast of the metallic and insulating domains of a VO2 nanowire excited with eit...
Electron scattering at interfaces in Ru(0001)/Co(0001) multilayers
Electron transport measurements on 60-nm-thick multilayers containing N = 2–58 individual Ru and Co layers are employed to quantify the specific resistance of Ru/Co interfaces. Sputter deposition on A...
Dopant site analysis of heavily Si-doped GaAs using a combination of electron microscopy and synchrotron radiation
Silicon (Si) acts as an amphoteric impurity in gallium arsenide (GaAs), occupying various sites and exhibiting different coordination structures within the material. In this study, we employed electro...
p-(001)NiO/n-(0001)ZnO heterojunction devices grown by pulsed laser deposition technique
NiO/ZnO heterostructures are grown on c-sapphire substrates using the pulsed laser deposition technique. X-ray diffraction (XRD) study shows that the ZnO layer epitaxially grows along the [0001]-direc...
Radiation effects on pure silica and Ge-doped silica core optical fibers and fiber Bragg grating sensors
Fiber Bragg gratings (FBGs) are widely used in high-radiation environments owing to their high sensitivity, stability, and resistance to electromagnetic interference. In this study, pure and Ge-doped...
Imaging pyrometry of metal fragments initially generated during the supersonic impact of reactive metal projectiles
The early stage of the impact-initiated reaction of supersonic cylindrical reactive metal projectiles (magnesium, aluminum, titanium, and zirconium) with an inert aluminum oxide target is investigated...
High-throughput material search by magnetic and compositional mapping of reactively sputtered combinatorial FexVyNz films
Despite the many advantages afforded to the investigation of complex compositional systems by combinatorial sputtering, the application of this synthesis technique is hindered by high-throughput chara...
Physics-informed neural networks for analyzing size effect and identifying parameters in piezoelectric semiconductor nanowires
Piezoelectric semiconductors (PSCs) are crucial in micro-electromechanical systems, but analyzing their size effects and accurately determining flexoelectric parameters is challenging due to the compl...
Luminescence efficiency and temperature quenching of spontaneous and stimulated emission in ultra-low dislocation density InN
In this letter, we evaluate temperature quenching of photoluminescence in ultra-high quality epitaxial InN films to assess the internal quantum efficiency (IQE) of band-to-band light emission. Measure...
Cryogenic hybrid magnonic circuits based on spalled YIG thin films
Yttrium iron garnet (YIG) magnonics has garnered significant research interest because of the unique properties of magnons (quasiparticles of collective spin excitation) for signal processing. In part...
Influence of laser polarization on the laser-induced damage threshold: Comparison with photoionization theory
The influence of laser polarization on the laser-induced damage threshold of fused silica is presented. Measurements were performed using femtosecond and nanosecond laser pulse durations. The impact o...
Lattice Boltzmann modeling of droplet actuation via temperature gradient and electrowetting
Droplet manipulation under various physical fields is crucial for microfluidics. Theoretical models are key to understand the physics. In this work, by extending the binary phase lattice Boltzmann mod...
Characterization and optimization of high-efficiency crystalline silicon solar cells: Impact of recombination in the space charge region and trap-assisted Auger exciton recombination
Since the photoconversion efficiency η of the silicon-based solar cells (SCs) under laboratory conditions is approaching the theoretical fundamental limit, further improvement of their performance req...
PyLRO: A Python calculator for analyzing long-range structural order
We present PyLRO, an open-source Python calculator designed to detect, quantify, and display long-range order in periodic structures. The program’s design methodology, workflow, and approach to order...
The Peierls stress of interfacial dislocation under lattice mismatches
The dislocation motion at heterointerfaces can be quantitatively predicted by estimating the Peierls barrier using the generalized stacking-fault energy surface. A simple formula is derived for the Pe...
Two-carrier model-fitting of Hall effect in semiconductors with dual-band occupation: A case study in GaN two-dimensional hole gas
We develop a two-carrier Hall effect model-fitting algorithm to analyze temperature-dependent magnetotransport measurements of a high-density (∼4×1013cm−2) polarization-induced two-dimensional hole ga...