Journal of Applied Physics
Articles in this Issue
Enhancement of acoustic rainbow trapping based on coupled-mode theory
Acoustic rainbow trapping, in which acoustic waves with distinct frequencies are separated and trapped at different positions, was given high consideration in frequency filtering, energy acquisition,...
Defect analysis of Sn-doped Ga2O3/SiC hetero-structured Schottky diodes using deep level transient spectroscopy
The Sn-doped β-Ga2O3 films were fabricated on n-type 4H-SiC substrates using Mist-chemical vapor deposition with different [Sn]/[Ga] ratios of 0%, 3%, 5%, and 10%. For device fabrication, Ni Schottky...
A tutorial on the 3ω method for measuring thermal conductivity from macro to micro dimensions
The 3ω harmonic detection method has been widely applied to develop the thermal functional materials and for the fabrication of devices in fields such as aerospace and energy conservation. It is adapt...
Mechanisms of piezoelectricity of hybrid perovskites α-FASn <i>X</i> 3 ( <i>X</i> = Br, I): First-principles analysis
Organic–inorganic hybrid halide perovskites lack inversion symmetry because of the polar molecular cation, which gives rise to polarization even in the cubic lattice. Due to the low bulk modulus, thes...
Research on the double-sided surface flashover characteristics of the irregular ceramic insulator in high-power electron guns
With the development of electronic guns toward high voltage, large capacity, and miniaturization, the surface flashover of ceramic insulators has become a key problem that leads to insulation damage,...
Infrared phonons in monoclinic Hf0.5Zr0.5O2 thin films
Infrared (IR) reflectance spectra of monoclinic Hf0.5Zr0.5O2 (HZO) films with thickness in the range of 10–90 nm deposited on different cuts of Al2O3 and yttria-stabilized zirconia (YSZ) substrates we...
Reversible topotactic reduction induced metal–insulator transformations in La2/3Sr1/3MnO3 thin films
The topochemical reduction process has been demonstrated to generate a range of metastable and structurally distinct phases in transition metal oxides, thereby providing an expansive parameter space f...
Unraveling quantum size-dependent optical phenomena in hot carrier quantum well structures
The enhancement of power conversion efficiency beyond the theoretical limit of single-junction solar cells is a key objective in the advancement of hot carrier solar cells. Recent findings indicate th...
Spin-selective thermoelectric properties and field-induced band engineering in bilayer zigzag silicene nanoribbons
Silicene, a two-dimensional allotrope of silicon, has attracted significant attention due to its unique electronic properties and potential for diverse applications. Unlike its bulk counterpart, silic...
Role of substrate strain in moderate bandwidth antiferromagnetic manganite films
High-quality moderate-bandwidth manganite Pr0.5Sr0.5MnO3 (PSMO) thin films were synthesized on two types of substrates using pulsed laser deposition. In contrast to the A-type antiferromagnetic insula...
Investigation of the structure, magnetic properties, and magnetocaloric effect of Gd2WO6 compound
Developing novel magnetic materials that combine large magnetic-entropy changes with low magnetic-ordering temperatures is a central challenge for improving refrigeration efficiency in the very-low-te...
The influence of periodic wavy interfaces on the mechanical properties of Cu/Ta nanomultilayers
A large number of experiments and molecular dynamics (MD) simulations demonstrate that the interface structure plays a critical role in the mechanical properties of metallic nanomultilayers. However,...
Thermal conductivity of cubic silicon carbide single crystals heavily doped by nitrogen
High-purity single-crystal wide-bandgap semiconductor cubic silicon carbide (3C–SiC) has the second-highest thermal conductivity among wafer-scale crystals (after diamond), making it ideal for thermal...
Theory on the electrical characteristics of III-type organic semiconductor heterojunctions
Heterojunctions are the fundamental unit to construct functional semiconductor devices. The charge transport properties of type-I and -II heterojunctions with a depletion zone have been well investiga...
Epitaxial Cr2MnO4 p–n heterojunction to (2¯01) β-Ga2O3 deposited via off-axis magnetron sputtering
We report the heteroepitaxial growth of spinel Cr2MnO4 thin films on (2¯01) β-Ga2O3 substrates via off-axis RF magnetron sputtering. Structural analysis confirms (111)-oriented epitaxial films with op...
Tuning pyrolyzing temperature to switch electrorheological effect from negative to positive in MIL-125(Ti)-derived carbon/TiO2 composite particles: Crucial role of interfacial polarization
In this study, carbon/TiO2 composite particles were prepared by pyrolyzing metal-organic framework (MOF) particles. The structure and conductivity of composite particles was characterized and the elec...
Single high-order mode interface states in terahertz quasi-periodic waveguides
Interface states in photonic structures have attracted increasing interest due to their unique localization and wave manipulation capabilities. However, in the terahertz (THz) regime, the realization...
Phonon-limited mobility in H/F-functionalized nanotubes with 1D <i>π</i> -chains
Electron mobility due to electron–phonon interaction is investigated for fully fluorinated/hydrogenated zig-zag carbon nanotubes containing one-dimensional alternating chains of carbon atoms with π-bo...
Effects produced in dielectric barrier discharges by dielectric structures not in contact with plasma: 2D modeling approach
The paper presents results of a computational study of the effects of different catalytic structures on the plasma parameters in dielectric barrier discharge (DBD) reactors. The catalytic structures,...
Surface passivation enhanced β-Ga2O3-based solar-blind photodetector via introducing an Al2O3 ultrathin layer
The surface properties of semiconductor devices have a significant effect on the transport and recombination of charge carriers, especially for planar structures. In this work, Al2O3 ultrathin layers...
Quantitative 3D magnetic vector field imaging and thermal sensing with magneto-optical indicator films
Magneto-optical indicator films are an established tool for magnetic field imaging in applications such as electronics and superconductors, as well as in magnetic characterization. However, the implem...
Magnetically tunable random lasing in polymer-dispersed chiral liquid crystals: Experimental and machine learning insights
This work investigates magnetically tunable random lasing in polymer-dispersed chiral liquid crystals (PDCLCs) doped with ferromagnetic nanoparticles (MNPs) in a capillary system. The alignment of liq...
Mechanisms of electroplasticity-assisted nano-cutting of polycrystalline SiCp/Al composites: A molecular dynamics simulation study
A molecular dynamics model for the electroplasticity-assisted nano-cutting of polycrystalline SiCp/Al has been developed, incorporating the electronic wind effect and Joule heating effect at the nanos...
Modulation of the Casimir force via graphene plasmons-SiC surface phonon polaritons coupling
The Casimir force is a macroscopic quantum effect arising from quantum vacuum fluctuations, playing a dominant role in the interactions between microstructures at the nanoscale. However, due to its re...
Flexoelectric induced crack deflection in PbTiO3/SrTiO3 superlattices
The non-trivial topological domains in ferroelectric/dielectric superlattices make them promising for next-generation memory and neuromorphic devices. However, their constituent ferroelectric material...