Journal of Applied Physics
Articles in this Issue
Complex optical properties of single crystal and atomic layer deposited alumina from the terahertz to vacuum ultraviolet spectral range
Anisotropic optical properties of single crystal Al2O3 and atomic layer deposited (ALD) thin film alumina have been studied from 0.42 meV to 8.5 eV using spectroscopic ellipsometry. Generalized spectr...
Implementation of mathematical and machine learning models in handheld glucometer to predict whole blood viscosity
Blood viscosity depends mainly on hematocrit and shear rate, and its low-cost and real-time estimation in handheld devices can enable rapid cardiovascular diagnostics and might revolutionize the trans...
Comparative analysis of surface morphologies for porous structure development under ion beam irradiation in GaSb, InSb, and Ge
In this study, ion beam irradiation was applied to GaSb, InSb, and Ge surfaces under the same conditions to form porous structures ranging from nanoscale to submicrometer scale. Such structures result...
Intrinsic emittance properties of an Fe-doped β-Ga2O3(010) photocathode: Ultracold electron emission at 300 K and the polaron self-energy
Measurements of the spectral emission properties of an iron-doped a β-Ga2O3(010) photocathode at 300 K reveal the presence of an ultracold contribution to the total electron beam emission with a 6 meV...
Correlation between electromechanical, piezo-sensing, and ferroelectric response for energy harvesting applications of PVDF-based polymers
Searching for sustainable power sources suitable for scavenging mechanical energy is an area of intense research. For this purpose, flexible piezoelectric energy harvesters are suitable candidates to...
Magnetotransport in high-mobility metamorphic InGaAs/InAlAs heterostructures with high InAs content
Magnetotransport studies of high-mobility metamorphic heterostructures containing InxGax−1As quantum well (QW) with a high InAs content (x ≥ 0.85) have been carried out. The scattering rate can be eff...
Ion irradiation-driven unit-cell expansion and strain accumulation behavior in magnesium oxide
Ceramic oxides offer a range of advantageous characteristics for withstanding intense mixed radiation fields, and consequently, interest has grown in exploring their behavior for nuclear applications...
Probing the modulation of internal stress field on phase transitions in sodium niobate by polarized Raman spectroscopy
Sodium niobate (NaNbO3, NN) serves as an ideal model system for investigating the origins of diverse electrical polarization behaviors owing to its rich polymorphism and complex phase transition seque...
Limitations on activation of high dose Ge implants in <i>β</i> -Ga2O3
Among ultrawide bandgap semiconductors, β-Ga2O3 is particularly promising for high power and frequency applications. For devices, n-type concentrations above 1019 cm−3 are required. Ge is a promising...
Low through-plane thermal conductivity in amorphous HfO2/SiO2 nanolaminates
Accurate knowledge of thermal transport in amorphous oxides is essential for effective thermal management in advanced semiconductor and cryogenic electronic devices. In this work, we investigate the t...
The effect of annealing temperature, concentration of Ni salt, and number of deposition cycles on the size and density of NiSi2 nanocrystals grown from thermal activated diffusion of Ni atoms in single-crystal Si(001) wafers
In this work, we investigate the impact of annealing temperature (320–700 °C), Ni salt concentration in the Ni-doped precursor thin films, and multiple deposition cycles on the morphology and density...
Effect of adding O2 on plasma characteristics of inductively coupled CF4/Ar plasma
High aspect ratio etching is crucial in semiconductor manufacturing, and its improvement relies on the stability and controllability of the plasma. In this study, we combine Langmuir probe diagnostics...
Nanoscale analysis of MOCVD-grown Mg-doped Al <i>x</i> Ga1− <i>x</i> N/GaN quantum well infrared photodetector (QWIP): Insights into dopant distribution and device performance
Quantum well infrared photodetectors (QWIPs) have emerged as a high-performance and versatile platform for IR detection applications owing to their design flexibility, fast response time, and waveleng...
Digital discovery of distorted-P1 molybdenum ditelluride and its significance in resistive switching
We investigate the intricate polymorphism of 2D molybdenum ditelluride to unveil the elusive distorted metallic phase, which manifests intriguing non-volatile resistive switching. Employing an evoluti...
An intensive source of soft x-ray radiation based on laser produced plasma of sulfur
An intense source of soft x-ray radiation in the range of the water window and less intense in the range 1.2–15 Å based on sulfur laser plasma is demonstrated at a laser radiation power density on a t...
Influence of transition-metal composition on anomalous Nernst effect in amorphous Tb–Fe–Co thin films
We conducted a comprehensive study on the transition-metal compositional dependence of the anomalous Nernst effect (ANE) in amorphous (amo.) Tb–Fe–Co thin films. The anomalous Nernst coefficient stron...
Tailoring transient flexural-wave propagation in transformed plates
The concept of transformation media has been primarily explored in the monochromatic regime, where device performance can deteriorate when applied to short pulses. Here, we review recent advances in t...
A distichous-opposite metamaterial beam and its asymmetric transmission
In this study, we present a novel metamaterial beam with asymmetric wave transmission properties under reciprocal conditions, termed the distichous-opposite metamaterial beam (DOMB), realized through...
First-principles investigation of ordered structures in zinc blende III–V ternary semiconductors
We systematically investigate the impact of ordered configurations of group III atoms on the formation enthalpy of zinc blende III–V alloys using first-principles calculations. The study focuses on 12...
Coupling excitation of electromagnetic and topological wave in quantum conformal subspace based on geometric scaling control
This present theoretical study investigates the geometric control of quantum conformal field theories through radius compression-induced quantum critical phenomena. It reveals an intrinsic relationshi...
Partial beam stalling as an alternative source of intercepted current in ionic-liquid electrospray thrusters
The standard interpretation of intercepted current in electrospray thrusters is direct impingement of the plume on any downstream electrodes as the plume leaves the thruster. In this paper, we propose...
Large flexoelectric-like response of SrTiO3 ceramics sintered in the reducing atmosphere
The relatively low flexoelectric coefficient of SrTiO3 (STO) ceramics severely restricts their effectiveness in practical applications. Treatment under reducing conditions or low oxygen pressure is an...
Numerical ellipsometry: Advancements in artificial intelligence methods to obtain accuracy, speed, and ease of use for a wider range of thin film optical properties
Ellipsometry is a surface, film, and interface analytical technique based on measuring the change in the polarization state of incident light interacting with a sample. The measured change contains in...
Thermomechanical model of solar cells
This paper considers a model for the solar cell as a mechanical open-cycle thermodynamic engine where chemical potential is produced in an isochoric process corresponding to the thermalization of elec...
Theoretical research on an optically and thermally tunable terahertz absorber based on epsilon-near-zero mode
In this paper, we propose a tunable terahertz (THz) absorber with optical and thermal modulation capabilities. The absorber employs photoconductive silicon in the top resonant structure to excite plas...