Journal of Applied Physics
Articles in this Issue
225 nm far-UVC LEDs enabled directly on c-sapphire by tailored AlN molar fraction in n-AlGaN layers
This study investigates the direct epitaxial growth of far-ultraviolet-C (far-UVC) light-emitting diodes (LEDs) emitting at 225 nm on low-cost c-sapphire without the need of using cut-off filters, whi...
Prospecting for lunar 3He with a radio-frequency atomic magnetometer
Mining 3He from lunar regolith has attracted significant interest in recent years due to the scarcity of 3He on Earth and its diverse applications, from cryogenics and medical imaging, to nuclear phys...
Field-like torque measured via a Wheatstone bridge
In this study, a square Wheatstone bridge geometry is proposed to measure the field-like spin–orbit torque (FL-SOT) via second harmonic anisotropic magnetoresistance measurements. This design yields a...
Development and performance analysis of glass-based gas-tight RPCs for muography applications
To achieve high-resolution muography of compact targets in scenarios with complex logistical constraints, we are developing a portable muon detector system utilizing glass Resistive Plate Chambers (RP...
Valence-state-dependent defect engineering in Mn-doped PbTiO3 ceramics: Enhancing electromechanical properties through tetragonal distortion and defect dipoles
Mn exerts multiple effects on lead-based piezoelectric ceramics due to its multivalent nature and strong affinity for oxygen vacancies; however, the mechanisms associated with distinct valence states...
Reactive gas assisted depletion layer modification in Fe2O3/LaFeO3 nanostructured heterojunction: An efficient way for room-temperature self-sufficient gas sensing
Integrating materials at the nanostructures to achieve additional functionalities is a key approach for designing modern devices. Here, we have added a thin layer of LaFeO3 (LFO) on vertically aligned...
Large multicaloric response with rapid thermal conduction near room temperature in SEBS/Gd/SEBS composite structure under mechanical–magnetic simultaneous excitation
The mechanical-magneto multicaloric effect offers an effective strategy to enhance the solid-state refrigeration performance of materials. However, most materials exhibiting this effect are alloy-base...
Polarization-optimized AlGaN-based p-i-n avalanche photodiodes with double-barrier heterostructures for high-responsivity UV detection
An AlGaN-based p-i-n ultraviolet avalanche photodiode (APD) with double-barrier heterojunctions is proposed in this work. The polarization electric field formed by the heterojunction can significantly...
Experimental and molecular dynamics simulation study on thermal rectification in multilayer PtSe2
Two-dimensional layered materials have attracted increasing attention due to their favorable physical properties. Among them, PtSe2 has good stability and semiconductor–metal junction behavior that ca...
Deposition of oxygen-functionalized graphene on copper by conventional and modified electrophoretic deposition with bipolar high-impulses
The present paper investigated the deposition of oxygen-functionalized graphene (GO) on copper (Cu) substrates using a low-voltage electrophoretic deposition (EPD) compared to a bipolar high-impulse e...
Revised identification of Ag-related defects in silver-doped Si by deep-level transient spectroscopy
In the present study, we re-examine the electronic levels of silver-related defects in Si by deep-level transient spectroscopy (DLTS) and Laplace DLTS. We show that dominant Ag-related defects previou...
Threading dislocations in epitaxial GeSn film directly grown on (001) Si substrates
High-quality epitaxial GeSn films grown directly on Si substrates are highly desirable for integrated photonics applications, as eliminating the intermediate buffer layer simplifies device fabrication...
Intrinsic quantum anomalous Hall effect and layer-dependent topological state in two-dimensional single-atom-thick honeycomb-Kagome Ta2N6C3
Two-dimensional (2D) honeycomb-Kagome lattices endowed with outstanding physical properties have attracted widespread attention in recent years. By using the first-principles calculations, we investig...
Engineering magnetic anisotropy in ZnO via ZrC incorporation: A route toward EMI shielding materials
ZrC–ZnO composites with varying concentrations of ZrC were successfully synthesized via a cost-effective wet chemical method. Structural, morphological, chemical, and magnetic characterizations were c...
Improved sensitivity in graphene-mediated surface-enhanced Raman scattering via H2/Ar annealing
Graphene is well suited to biological applications, including biosensing and drug delivery, through uses such as field-effect transistors, surface-enhanced Raman scattering (SERS), fluorescence imagin...
Phonon-limited hole mobility and thermoelectric transport of monolayer WCu2Se4 from first-principles calculations
The asymmetry between electron and hole mobilities in 2D semiconductors severely limits the practical applications in thermoelectric couples and electronic devices. It is, thus, valuable to discover n...
Engineering Berry curvature dipole and nonlinear Hall currents in CdTe monolayers for emerging memory applications
We report a first-principles study elucidating the valleytronic and nonlinear transport phenomena in buckled hexagonal MX (M = Zn, Cd; X = S, Se, Te) monolayers. Our findings establish that ZnTe and C...
Defect-localized bound states in the continuum in topological photonic alloys
Optical bound states in the continuum (BICs), characterized by extremely high quality factors, can significantly enhance light–matter interaction and pave the way for the development of various types...
Understanding the role of environment and dielectric capping on the electrical properties of WS2 monolayers grown by chemical vapor deposition technique
Effect of the environmental conditions and dielectric capping on the electrical properties of monolayer (1L) WS2 films grown by the chemical vapor deposition technique is systematically studied. The c...
Predictive estimation of electro-optic properties of crystals: A step toward high-throughput screening
Effects involving interactions between electromagnetic waves and applied electric field in materials, commonly known as electro-optic effects, have remarkably diverse applications ranging from telecom...
Modification of the Weyl semimetal states in the topological insulator superlattice by light fields
Weyl semimetals exhibit extraordinary electronic properties derived from their topologically protected Weyl nodes. However, their practical applications are constrained by the scarcity of natural mate...
Influence of sample thickness on the measurement results of permittivity of polymer-based dielectrics: Role of electrode polarization
Polymer-based dielectrics are widely used in thin film capacitors. Accurate measurement of the dielectric properties of those materials is the premise and basis for evaluating or analyzing the energy...
Sub-picosecond laser absorption and ablation in aluminum: Role of collision frequency
We present a detailed theoretical investigation of sub-picosecond laser absorption and ablation in solid-density aluminum using a two-temperature hydrodynamic model. Our focus lies on accurately model...
Electricity generation from microdroplet condensation and evaporation on monolayer graphene
Graphene has attracted growing interest as a platform for directly converting interfacial charge dynamics into electrical energy. While previous studies have demonstrated voltage generation from force...
High-quality GeSn grown in foundry mode via chemical vapor deposition enabling lasing up to 235 K
Using a commercial chemical vapor deposition reactor operated in foundry mode, we rapidly developed high-quality, high-Sn-content GeSn growth recipes within just a few months from the initial trials....