Journal of Applied Physics
Articles in this Issue
Lowering insulator-to-metal transition temperature of vanadium dioxide thin films via co-sputtering, furnace oxidation, and thermal annealing
Thermochromic vanadium dioxide thin films have attracted much attention recently for constructing variable-emittance coatings upon their insulator-metal phase transition for dynamic thermal control. H...
Dynamic dielectric characteristics of the NH4HSO4 ferroelectric within the framework of a two-sublattice pseudospin model
Within the framework of the two-sublattice pseudospin model of the deformed NH4HSO4 ferroelectric and using the Glauber approach, we have obtained a system of differential equations for the time-depen...
Iso-electronic Sb impurities in GaAs studied by cross-sectional scanning tunneling microscopy
Highly mismatched III/V alloys, such as GaAsN and GaAsSb, are known to suffer from segregation and clustering effects, which often limit their application in devices. In this cross-sectional scanning...
Electron four-petal Lorentz–Gauss vortex beam
Inspired by the rapid advancements in structured laser beams, we explore the intriguing characteristics of structured wave packets in electron optics. With potential applications in electron beam lith...
Electrical properties of SiN<i>y</i>/Al1−<i>x</i>Sc<i>x</i>N/GaN-based metal–insulator–semiconductor structures
The electrical properties of SiNy/Al1−xScxN/GaN-based metal–insulator–semiconductor (MIS) structures, including electron sheet density, electron mobility, depletion behavior, and off-state leakage cur...
Temperature and density measurement of an ultra short laser pulse driven carbon plasma by skin-layer ion emission analysis
This study investigates the plasma properties induced by sub-10-fs laser pulses on carbon bulk targets in the sub 1018W/cm2 regime. Utilizing a Thomson parabola spectrometer, the keV ion emission resu...
Effective phonon dispersion and low-field transport in <i>β</i>-(Al<i>x</i>Ga1−<i>x</i>)2O3 alloy semiconductor
β -(AlxGa1−x)2O3 (AlGaO) is a promising ultra-wide bandgap semiconductor (UWBG) that can be utilized in AlGaO/Ga2O3 heterostructure devices for a wide range of electronic applications. To fully exploi...
Multicalorics II
A machine learning approach to reveal microstructures contributing to dislocation clusters in multicrystalline silicon
We report on our attempts to leverage a machine learning model to investigate the crystallographic features contributing to the dislocation clusters in multicrystalline silicon. The developed model pr...
Intrinsic dipole engineering for enhanced hydrogen evolution of 2D Janus MXenes
Harnessing intrinsic properties to modulate the electronic structure of two-dimensional (2D) materials is essential for clean energy conversion, but challenging. Herein, we demonstrate that tuning int...
Surface and sub-surface modifications of copper electrodes exposed to electric high-field conditioning at cryogenic temperatures
It has been stipulated that the conditioning of metal surfaces under a high electric field is dominated by material hardening. To test this, we subjected three pairs of copper electrodes to high-volta...
Can magnetic fields necessarily regulate electrocatalysis in catalysts with bulk ferromagnetism/ferrimagnetism?
The magnetic field represents a potent tool for modulating electrocatalytic performance, with diverse forms of physical mechanisms governing this regulation. Currently, catalysts capable of effectivel...
Heisenberg exchanges in tetragonal-like BiFeO3 from first principles
Bismuth ferrite (BiFeO3, BFO), one of the most well-known multiferroics at room temperature, has generated growing interest in the research community over the past two decades. Understanding the magne...
<i>In situ</i> Raman scattering investigation of field-induced phase transition behavior in Na1+<i>x</i>NbO3 ceramics via nonstoichiometric regulation
NaNbO3 is regarded as an ideal model for elucidating lattice distortion in dielectrics due to its complex structural phase transition under various external fields. In particular, it has garnered sign...