Journal of Applied Physics
Articles in this Issue
Ambient-pressure superconductivity above 22 K in hole-doped YB2
Recent studies of hydrogen-dominant (superhydride) materials, such as LaH10, have led to putative discoveries of near-room temperature superconductivity at high pressures, with a superconducting trans...
Realizing reversible spin reorientation in van der Waals magnetic interfaces by strain
Magnetic anisotropy (MA) is one of the key properties in two-dimensional (2D) magnetic materials, as it determines the type of magnetism and its stabilities. Since the discovery of intrinsic 2D magnet...
Strain and luminescence properties of hexagonal hillocks in N-polar GaN
Owing to its unique properties, N-polar GaN offers several advantages over Ga-polar GaN, particularly for applications in high power electronics. However, the growth of high-quality N-polar material i...
Decoding diffraction and spectroscopy data with machine learning: A tutorial
This Tutorial provides a step-by-step guide on how to apply supervised machine-learning techniques to analyze diffraction and spectroscopy data. This Tutorial details four models—a reconstruction-focu...
Synergistic photothermoelectric energy conversion in core-shell polydopamine coated upconversion nanoparticles
Artificial light harvesters (ALHs) are being developed for emerging energy conversion technologies, such as photothermoelectric (PTE) that convert photon energy into electricity via a secondary step o...
Magneto-optical tuning of ferromagnetic resonance in silicon-doped yttrium iron garnet
This report is on experiments and theory on the process of optically stimulated electron population density redistribution in Si-substituted yttrium-iron garnet single crystals at 77 K. It was determi...
The impact of interface traps on the subthreshold characteristics of III–V vertical nanowire tunnel field-effect transistors
In this work, in an effort to study tunneling physics, we have performed extensive electrical characterization of two generations of top-down III–V vertical nanowire tunnel field-effect transistors (T...
Atomistic simulation of shock compression of bcc molybdenum single crystals: Role of preexisting dislocations and temperature
It is known that plastic relaxation behind the shock wave front in metals and alloys is achieved through intense dislocation multiplication. Most of the molecular dynamics simulations usually consider...
Temperature effect on austenite–martensite transformation in shock-loaded pseudoelastic nitinol
The shock response of the samples of “pseudoelastic” nitinol [Ni/Ti = (51.1 ± 0.1)/(48.9 ± 0.1)] of different, 0.5–6 mm, thicknesses were studied in a series of planar impact tests (1 mm thick aluminu...
Epitaxial strain tuning of Er3+ in ferroelectric thin films
Er 3 + color centers are promising candidates for quantum science and technology due to their long electron and nuclear spin coherence times, as well as their desirable emission wavelength. By selecti...
Study on the ablation evolution and surface morphology of fused silica as function of CO2 laser processing parameters
In this work, CO2 laser pulses with a wavelength of 10.6 μm, a beam diameter of about 400 μm, and an intensity of the order of 190 kW/cm2 are used to produce microablations on fused silica samples wit...
Design and preparation of square ring electromagnetic energy conversion absorber based on lumped resistance
Absorbing metamaterials loaded with lumped elements exhibit high absorptivity across a wide absorption band, effectively addressing electromagnetic interference and other problems. However, convention...
Impurity stability based upon stress-corrected strain representation
Using strain to control the formation energy or concentration of impurities, defects, and alloy components in semiconductors is crucial to improving their device functions. However, under small strain...
A method to generate additional volatile states using single-domain ferroelectric field-effect transistor
In this paper, we have proposed a novel technique to generate the additional volatile states using an ultra-scaled 12 nm technology node fully depleted silicon on insulator Ferroelectric field-effect...
Realizing near-infrared directional absorption by epsilon-near-zero yttrium-doped cadmium oxide thin films
Recent development of epsilon-near-zero (ENZ) thin films in the infrared region has intrigued the unprecedented directional manipulation of thermal radiation relying on directional absorption. However...
Equivalence of physical pressure and chemical pressure in the phase transformation of BiR<i>x</i>Sc(1−<i>x</i>)O3 (R = Y and La) compounds
In the framework of density functional theory, a new computational route combined with thermodynamics was proposed to reveal the quantitative relationship between physical and chemical pressures. The...
Field emission in diode and triode vacuum nanostructures
This paper explores nanodiode and nanotriode structures with incorporated dielectric films in vacuum electronics. Such emission structures allow for very high (on the order of 1012A/m2 and more) curre...
An atomically resolved study of droplet epitaxy InAs quantum dots grown on InGa(As,P)/InP by MOVPE for quantum photonic applications
We investigated droplet epitaxy InAs/InP quantum dots (QDs) grown by MOVPE on two different substrate interlayers of InGaAs and InGaAsP, both lattice-matched to InP, by cross-sectional scanning tunnel...
Magnetohydrodynamics simulation of arc motion in time-varying copper vapor–air mixture within medium-voltage DC air circuit breakers
Modeling arc–solid interaction precisely in medium-voltage DC air circuit breakers is challenging due to the complex processes of electrode erosion and metal vaporization during arc discharge. This st...
Type-n electrical activation of ion-implanted P atoms and unintentionally auto-doped N atoms in the CVD diamond films grown on the HPHT Ib substrates, using C2+, Ne2+, Si2+ MeV-ion irradiations
The author has succeeded in obtaining n-type electrical conductivity for the P-implanted Chemical Vapor Deposition (CVD) diamond films grown on the High-Pressure High-Temperature (HPHT) type-Ib substr...
Interlayer peeling mechanism and electro-magnetic-thermal behavior of epoxy-impregnated REBCO superconducting coils during quench
Superconducting coils made of rare earth-barium-copper-oxide (REBCO) coated conductors have become one of the best candidate materials for high-field magnets due to their excellent electromagnetic pro...
Transient chaos in single crystal ferromagnetic membranes magneto-elastically driven by high-Q acoustic cavity modes
Driving the nonlinear magnetization dynamics in freestanding (100) iron membranes in a perpendicular magnetic field by the lowest-order high-Q acoustic cavity mode at ∼10 GHz frequency is simulated by...
Exchange bias effect in the total two-dimensional van der Waals heterostructures of Fe5−xGeTe2/CrPS4
We construct vertically stacked van der Waals (vdWs) heterostructures using two-dimensional (2D) ferromagnetic (FM) metal Fe5−xGeTe2 (20 nm ≤ t ≤ 90 nm) nanoflakes with a strong perpendicular magnetic...
Analysis of trap-assisted tunneling current at non-alloyed contacts formed on heavily ion-implanted n-type SiC
Numerical calculation of trap-assisted tunneling (TAT) current was performed and trap levels that dominantly contribute to the TAT current at non-alloyed contacts formed on phosphorus ion-implanted n-...
Angle-dependent optical studies on size-reduced monolayer of self-assembled polystyrene spheres
Engineering and controlling colloidal system size, shape, and ordering are crucial for tailoring their optical properties. They are desirable in many applications that rely on a template-based approac...