Journal of Applied Physics
Articles in this Issue
Design and simulation of a muon detector to characterize geological overburden
This study presents the design, construction, and simulation of a mobile muon detector tailored for geological overburden characterization. The detector employs plastic scintillator paddles with silic...
Enhanced sensing performance of microsphere cavities based on coreless fibers in aqueous environments
This work demonstrates the superior performance of silica microsphere cavities fabricated from coreless fiber (CLF) for optical sensing applications. The optical resonances within CLF microspheres, ex...
Unraveling structural evolution in high-performance energy storage La-doped BaTiO3 superparaelectric relaxor ferroelectric ceramics
Unraveling the doping- and temperature-dependent structural dynamics is pivotal for developing high-performance energy storage ceramics, yet the fundamental physical mechanisms governing these phenome...
Self-activated growth of cubic AlScN films from molecular nitrogen without plasma
Self-activated growth of ScN was recently reported owing to the ability of scandium to self-catalyze N2 bond breaking, facilitating nitride film growth from molecular N2 without plasma. In this report...
Modulating charge transport via 2 MeV He+ irradiation in VO2
Vanadium dioxide (VO2) is of interest for adaptive electronic applications such as neuromorphic neuristor devices and variable emissivity or tunable thermal control materials, thanks to its key proper...
Nonequilibrium quasiparticle dynamics in a MoRe-based superconducting resonator under infrared excitation
The response of a MoRe-based microstrip superconducting resonator operating near 5 K to pulsed infrared irradiation is investigated, and the underlying physical mechanisms are analyzed. The device exh...
Multiphysics simulation of microwave-induced thermoacoustic imaging based on complete acoustic process and its application in bone artifact analysis
To address the issue of incomplete acoustic processes in microwave-induced thermoacoustic imaging (MITAI) simulations, this study proposes coupling structural mechanics (SM) and pressure acoustics (PA...
AlN-on-sapphire microdisk resonators for precise on-chip temperature sensing
Photonic integrated circuit sensors can be used for precise sensing of the environment, offering the advantage of integration with fiber networks for remote and multiplexed sensor arrays. In this work...
Stress-induced bandgap modulation in semiconductor quantum wells
Strained semiconductor quantum wells have been an active area of research for more than three decades. However, a major part of the reported literature has shown a core focus on the theoretical and ex...
Unusually large PFM-written domains at cryogenic temperatures in PZT films
This study investigates the temperature dependence of ferroelectric domain wall motion in epitaxial PbZr0.3Ti0.7O3 (PZT) thin films (60 nm) using piezoresponse force microscopy (PFM) from 5 to 300 K....
Performance analysis of a 500 Hz non-critically phase-matched KTP-based optical parametric oscillator–amplifier system
High-repetition-rate 1.57 μm lasers are of great importance in both industrial and military applications. In this work, an optical parametric oscillator (OPO)–optical parametric amplifier (OPA) system...
Experimental evaluation of the orbital angular momentum in hexagonal chiral magnet MnNb3S6: Comparison with hexagonal CrNb3S6 and cubic MnSi
Monoaxial chiral magnet MnNb3S6 exhibits long-time relaxation of magnetization owing to the slow velocity of solitons in the chiral soliton lattice state, whereas the contrasting chiral magnet CrNb3S6...
Higher-order topological bound states in the continuum in a topoelectrical lattice with long-range coupling
Linear electric circuits composed of inductors and capacitors can serve as analogs of tight-binding models that describe the electronic band structure of materials. This mapping provides a versatile a...
Calculation model for whole-process loading of underwater explosion
A dramatic increase in flow-field pressure characterizes the early stage of an underwater explosion. The highly non-linear nature of this phenomenon makes it challenging to derive accurate solutions u...
Investigating the morphological evolution of ion-thinned Ag films via <i>in situ</i> ellipsometry
Ion etching of Ag films following their deposition presents an alternative method to improve wetting and obtain conductive Ag films at low thicknesses. Moreover, this approach does not rely on convent...
Strain-induced selective transformation of topological phonons in PdAs2 and its impact on thermal transport
Exploring and regulating topological states is a longstanding hotspot in condensed matter physics and materials science. Recently, the coexistence and strain-induced transformation of topological phon...
High mobility multiple-channel AlScN/GaN heterostructures
Aluminum scandium nitride (AlScN) is a promising barrier material for gallium nitride (GaN)-based transistors for the next generation of radio-frequency electronic devices. In this work, we examine th...
Tailoring crystalline orientation in GaSb films on GaAs via Sb-controlled antimonidation of ultrathin Al layers
The integration of high-quality GaSb layers on GaAs substrates presents a promising route for developing antimonide-based optoelectronic devices on cost-effective platforms. In this work, we investiga...
Hybrid fluid particle-in-cell simulations of extreme-ultraviolet induced discharge
Hydrogen plasma interaction with materials in Extreme Ultraviolet (EUV) lithography systems plays a crucial role in determining component longevity and particle behavior. To evaluate material resilien...
Temperature-dependent optical response of high- <i>T</i> c YBa2Cu3O7− <i>δ</i> (YBCO) thin films
We report temperature-dependent optical response measurements of YBa2Cu3O7−δ thin films in the visible spectral range under cryogenic conditions. We observe a sharp increase in transmittance near the...
Physics-based full-band GaN high-electron-mobility transistor simulation suggests upper bound of LO phonon lifetime
Intrinsic limits to device performance arise from fundamental material properties that define the best achievable operation, independent of engineering constraints. In GaN high-electron-mobility trans...
Piezoelectric–flexoelectric coupling in bent Janus MoSSe: An analytical modeling and first-principles study
Bent structures exhibit considerable potential for applications in flexible electronics and sensor technologies. Two-dimensional Janus transition metal dichalcogenides offer an ideal platform for inve...
Improvement of the Simmons model for tunnel junctions
The Simmons model is a well-known and widely used model for the elastic tunneling current of a metallic tunnel junction, and fitting it to electrical measurements can be used to estimate thicknesses a...
Tuning quantum-dot heat engines for optimal ecological performance
We study the performance of electron-based quantum-dot heat engines using non-equilibrium thermodynamics and optimize them using an ecological performance criterion. We first globally optimize the sys...
Photonic nanojet-enhanced microcone-shaped fiber-optic tweezers for broad-range microscopic viscosity sensing
The viscosity coefficient is a fundamental parameter in fluid dynamics and soft matter physics; however, conventional measurement techniques, including falling-ball, capillary flow, and vibrational me...