Journal of Applied Physics
Articles in this Issue
Quantitative measurements in scanning thermal microscopy: Theoretical models, calibration technique, and integrated instrument
Thermal management at the micro/nanoscale has emerged as a critical bottleneck limiting device performance and reliability. Scanning Thermal Microscopy (SThM), owing to its nanoscale spatial resolutio...
Para-particle oscillator simulations on a trapped-ion quantum computer
Deformed oscillators allow for a generalization of the standard fermions and bosons, namely, for the description of para-particles. Such particles remain hypothetical and unobserved in nature; yet, th...
Extending the low-frequency limit of time-domain thermoreflectance via periodic waveform analysis
Time-domain thermoreflectance (TDTR) is a powerful technique for characterizing the thermal properties of layered materials. However, its effectiveness at modulation frequencies below 0.1 MHz is hinde...
Laterally coupled vertical-cavity surface-emitting lasers with tunable resonance width and frequency
Laterally coupled vertical-cavity surface-emitting lasers (VCSELs) can exhibit additional resonances at high modulation frequencies that can substantially increase the laser’s modulation bandwidth. St...
Selective etching of GaN over AlGaN through low-damage AlGaN surface processing at high temperatures
In this study, low-damage selective etching of GaN over Al0.24Ga0.76N was achieved using O2-added Cl2 plasma at a high substrate temperature of 400 °C. Specifically, etching using 7% O2-added Cl2 plas...
Crystalline orientation-dependent anisotropic magnetoresistance effect in half-metallic ferromagnet of bulk single crystal Co2MnGe Heusler alloy
Anisotropic magnetoresistance (AMR) and temperature dependence of electronic resistivity along the [100], [011], and [111] orientations were investigated in the bulk single crystal of Co2MnGe, which h...
Theoretical modeling of the dynamic range of an elastic nanobeam under tension with a geometric nonlinearity
A theoretical description of the weakly nonlinear and mode-dependent dynamics of a nanoscale beam that is under intrinsic tension is developed. A full analysis of the dynamic range of the beam over a...
Substrate-engineered ferroelectric phase stabilization and polarization switching dynamics in La doped HfO2
HfO2-based ferroelectric films are promising candidates for emerging non-volatile memory technologies. As a metastable ferroelectric phase, multiple methods, like doping, defect control, are employed...
Stability analysis of time-periodic electrokinetic flow with slip effects
We investigate the stability analysis of time-dependent electroosmotic flow with charged species concentration in a symmetric microchannel, taking into account the influence of slip velocity. The elec...
Deciphering carrier dynamics in polycarbonate following excitation with ultrashort laser pulses
Polymers exposed to ultrashort pulsed lasers (UPL) experience a range of physical and chemical changes that play a key role in applications ranging from material processing to advanced photonics, and...
Localized shear strain facilitating the amorphization of pure magnesium during the nano-cutting process
The amorphization of pure metallic materials remains a significant challenge in the field of metallic materials. In this study, a hybrid methodology of molecular dynamics (MD) simulations and nano-cut...
Magnetic impurity engineering for positional control of antiferromagnetic skyrmions in logic devices applications
One approach to utilizing antiferromagnetic (AFM) materials as a binary system involves designing traps to control the position of AFM skyrmions in predefined regions of a nanowire, which can then be...
First-principles study of Zr phase stability and its influence on the equation of state
We conducted static and dynamic first-principles calculations to investigate the energetic and mechanical phase stability of the α, ω, and β phases of pure zirconium. The static calculations provided...
Thickness dependent spin to charge interconversion efficiency in polycrystalline BiSb layers deposited on Si substrate
The strong spin–orbit torque generated by topological insulators (TIs) interfaced with ferromagnetic layers paves the path toward the low-power, high-speed spintronic device applications. To date, lar...
Observation of tunable polarization states evolution in bound states in the continuum based on terahertz metasurfaces
Bound states in the continuum (BICs) are unique optical modes characterized by infinite quality (Q) factors and a topological vortex configuration. The introduction of chiral perturbations transforms...
Near-field infrared imaging of polar domain walls in Ni3TeO6
Domain walls are leading platforms for the development of ultra-low power switching and memory devices due to their potential to be moved, created, and erased in real time and to mitigate heat flux. I...
Study of the interfacial reaction of high-<i>κ</i> Al2O3 gate oxides with IGZO
High-permittivity (κ) dielectric oxides grown by atomic layer deposition (ALD) are the key to developing high-performance electronics. However, the high-κ dielectric grown by ALD causes interfacial ph...
Influence of buffer layer on the performance of ZnO film based photoconductive detectors
Photoconductive detectors based on zinc oxide (ZnO) thin films have garnered significant attention in optoelectronic applications owing to their simplified device architecture, well-established fabric...
Perspective: Domain wall nanoelectronics
Ferroelectric domain walls are two-dimensional interface structures with electrical conductivities that can be many orders of magnitude greater than the matrix they surround. They can be p- or n-type,...
Effects of magnetic flux densities and directions on domain structure and magnetostriction of 〈111〉-oriented Tb–Dy–Fe alloys during annealing in high magnetic fields
The directionally solidified (Tb0.27Dy0.73)1.06Fe1.95 alloys with 〈111〉-preferred orientation were annealed without and with various magnetic fields. Different initial domain structures were obtaine...
Optoelectronic properties of GaN and GaAs cylindrical nanostructures: Tuning excitonic Q-LED across the UV, visible, and IR domains
Bound and unbound excitonic and optoelectronic properties of cylindrical nanostructures (GaAs and GaN) have been investigated. Based on the effective mass approximation, we have calculated the correla...
Optomechanical tuning of electroresistance in 2D ferroelectric α-In2Se3
Recent advances in the exploration of two-dimensional (2D) van der Waals (vdW) ferroelectrics revealed not only a wealth of fundamentally exciting properties but also a strong potential for nanoelectr...
Photoacoustic ultrasound in metal–polymer layers: A semi-analytical approach to integrated optical, thermal, and acoustic dynamics
This study presents a semi-analytical modeling framework for photoacoustic ultrasound generation in multilayered metal–polymer structures, integrating optical, thermal, and acoustic dynamics. The mode...