Applied Physics Letters
Articles in this Issue
High-responsivity all-fiber self-powered photodetector based on Ti3C2Tx MXene/FA0.4MA0.6PbI3 heterojunction
Herein, an all-fiber integrated photodetector based on the Ti3C2Tx MXene/FA0.4MA0.6PbI3 heterojunction is proposed. The device utilizes side-polished optical fibers as the light transmission and struc...
High-performance self-powered ferroelectric-assisted van der Waals MXene/WS2/BaTiO3/TiO2 photodetectors
Ferroelectric-assisted two-dimensional heterostructures offer an effective route toward self-powered photodetection by enabling strong internal electric fields without external bias. Here, we report a...
A terahertz metasurface for efficient molecular fingerprint detection via frequency matching strategies
The metasurface-enhanced fingerprint detection, endowed with their strong local electric field capabilities, provides a powerful platform to elucidate the trace molecular vibrational characteristics i...
Development of a dual-sensor-based robust adaptive optics system
In the present work, we introduce a novel dual-sensor-based adaptive optics system that combines zonal and modal wavefront sensing within a single optical configuration, which is capable of correcting...
Vertically stacked double-channel tri-gate GaN HEMT and SBD with enhanced reverse conduction performance
The absence of an intrinsic body diode in gallium nitride (GaN) high-electron-mobility transistors (HEMTs) leads to significant reverse conduction losses and reduced efficiency in power applications....
Practical design rules for easy-axis engineering in field-free in-plane SOT-MRAM cells
Easy-axis canting is an effective strategy for achieving field-free switching in in-plane spin–orbit torque (SOT) magnetic tunnel junctions. However, the practical design rules for selecting the cante...
Preparation of flexible inverted metamorphic four-junction AlGaInP/AlGaAs/GaAs/In0.16Ga0.84As quantum well solar cells
To achieve high efficiency in five-junction solar cells under a space spectrum, it is essential to precisely adjust the subcells' bandgap to achieve optimal spectral matching. In this work, strain-bal...
Terahertz emission and detection using Ge-on-Si photoconductive antennas
Germanium-on-silicon (Ge-on-Si) is a promising, CMOS-compatible platform for integrated terahertz (THz) photonics, offering a low-cost alternative to III-V semiconductors. A primary challenge for Ge-b...
Plasmonic fiber-optic aptasensor for the detection of bisphenol A
A plasmonic fiber-optic aptamer sensor based on a gold-coated tilted fiber Bragg grating (TFBG) was constructed for bisphenol A (BPA) detection with an ultralow detection limit (LOD). A thiol-function...
Interplay between efficiency, spectral linewidth, and strain engineering of InGaN-based green LEDs grown on Si
This work presents an interference-free spectroscopic approach to address a long-standing challenge in InGaN-based LEDs grown on Si: resolving the interplay between strain engineering, efficiency, and...
Anisotropy of lattice vibrations and optoelectronic properties in layered KGaS2 single crystal
Low-dimensional materials have the potential for application in polarization-sensitive optoelectronic devices. In this work, we systematically investigated the lattice vibration and photoelectric prop...
A cavity-mediated reconfigurable coupling scheme for superconducting qubits
Superconducting qubits have achieved remarkable progress in gate fidelity and coherence, yet their typical nearest-neighbor connectivity presents constraints for implementing complex quantum circuits....
Beyond MX2: Transition metal chalcogenides discovered via selective random structure search
The canonical MX2 formulation in the class of transition metal chalcogenides (TMCs) has received intensive attention due to its promising potential in various electronic applications. However, TMCs ca...
Enhancement of transdermal drug delivery by using a Laval nozzle to intensify shock waves generated by pulsed discharge plasma
This study aims to enhance the efficiency of transdermal drug delivery (TDD) by developing a portable pulsed discharge plasma device, which produces shock waves. The device generates low doses of acti...
Thermophysical properties and atomic arrangement of liquid Zr75− <i>x</i> Ni25Al <i>x</i> glass-forming alloys investigated by electrostatic levitation experiments and molecular dynamics simulations
The thermophysical properties and atomic arrangement of liquid Zr75−xNi25Alx (x = 8, 11, 15, 19, and 24) alloys were systematically investigated using an electrostatic levitation technique and molecul...
An exceptional-point wireless sensor featuring non-reciprocal and electronic-tunable coupling
Traditional exceptional-point (EP)-based wireless sensors using inductively coupled inductor–capacitor resonators require mechanical EP tuning, which is cumbersome and limits practical applications. I...
Organic molecular orientation enables intrinsic defect passivation in CH3NH3PbI3 perovskite
The orientation of organic CH3NH3 (MA) molecules is a key factor influencing the structural and electronic properties of hybrid perovskites. Here, we contrast ferroelectric (FE) and antiferroelectric...
Distributed Bragg reflectors with porous GaN: Experimental assessment of effective medium approximations
Porous GaN offers a versatile platform for refractive index engineering in functional layers that have been defined by epitaxial growth. While low-refractive-index layers based on electrochemical poro...
X-ray and electron emission from peeling adhesive tape
In the past years, x-ray emission from adhesive tape peeled in vacuum has been reported and investigated. The generation of x rays is driven by fast electrons generated by the tape, similar to tribolu...
Ultrafast chirality reversal of magnetic vortices via perpendicular field pulses
We investigate the ultrafast switching dynamics of magnetic vortex chirality driven by picosecond Gaussian out-of-plane magnetic field pulses, using micromagnetic simulations based on the inertial Lan...
Polarization-resolved measurement of forward volume spin waves by micro-focused Brillouin light scattering
We show how the micro-focused Brillouin light scattering (BLS) signal of forward volume spin waves is formed, and why it remains observable despite symmetry-based “suppression” expectations. A recipro...
SiO2-coated CsPbBr3 quantum dots for visual detection of small-molecule metabolite pyruvate
All-inorganic perovskite CsPbX3 quantum dots (QDs) have excellent optical properties and show promising applications in biomolecular detection. However, they are unstable in water and polar solvents....
Erratum: “Elimination of wing tilt laterally overgrown GaN” [Appl. Phys. Lett. <b>128</b> , 011903 (2026)]
Twinnability in face-centered cubic metallic solids based on electronic band structure
Twinnability in face-centered cubic metallic solids is discussed from the viewpoint of wavenumber (k) space. The {111} deformation twinning is one of the main plastic deformation modes enabling the re...
Single-material anomalous Nernst heat-flux sensor enabled by heat-assisted magnetization reversal
Heat-flux sensors (HFSs) based on the transverse thermoelectric phenomenon of the anomalous Nernst effect have attracted increasing interest in recent years due to the advantages stemming from simple...