Applied Physics Letters
Articles in this Issue
Self-rectifying organic memristor based on PAA/PEDOT:PSS heterojunction for neuromorphic computing
Neuromorphic computing has emerged as a promising strategy to overcome the intrinsic limitations of the von Neumann architecture, where memristive devices that emulate biological synapses are of parti...
Observation of bandgaps in multilayer silicon nanoribbons
One-dimensional (1D) materials have attracted significant interest due to their unique quantum properties and potential applications in nanoscale devices. Pentagonal silicon nanoribbons (SiNRs), a pro...
Microstructural conduction properties of the electrical discharge channels within decay-like degraded FRP rod
Tree-like discharge erosion channels within the fiber-reinforced plastic rod are prominent feature of decay-like degraded composite insulators, and their electrical properties remain insufficiently un...
Generation of kHz-rate complex-structured liquid targets for relativistic laser–plasma interactions
With the rise of high repetition rate ultra-intense laser systems, there is a need for solid density targets to study relativistic laser–plasma interactions that can operate at the same repetition rat...
Stepwise synergistic engineering of phase and domain for excellent energy storage in AgNbO3-based ceramics
AgNbO3-based ceramics are promising lead-free candidates for pulsed-power capacitors, yet their application is hindered by high remanent polarization and large hysteresis. To address this issue, a ste...
Piezoresistive properties of sulfur-doped MDMO-PPV films
The piezoresistive characteristics of a series of sulfur-doped poly[2-methoxy-5-(3′,7′-dimethyloctyloxy)-1,4-phenylenevinylene] (MDMO-PPV) thin films were investigated using indium tin oxide and tungs...
Tuning spectral selectivity in microcavity organic photodetectors via absorption management
Microcavity organic photodetectors (OPDs) utilize optical resonance to achieve wavelength-selective photodetection. Tailoring their spectral response requires understanding the interplay between cavit...
Defect characterization of amorphous selenium-doped Ga2O3 grown by radio frequency sputtering
Amorphous Ga2O3 thin films doped with selenium (Se) were grown by radio frequency magnetron sputtering to investigate deep-level traps via deep-level transient spectroscopy (DLTS). All samples exhibit...
Biomaterial flow modeling beyond the nozzle: A rheological perspective
Achieving optimal printability is the key hurdle in extrusion-based 3D printing for medical use. Predicting printability before conducting costly and time-consuming physical experiments is necessary t...
A K-band kinetic-inductance parametric amplifier near the quantum limit
Advancing superconducting quantum devices to higher operating frequencies broadens their functionality and enables operation at elevated temperatures, but it also requires near-quantum-limited amplifi...
Ta2NiS5/GaSe van der Waals heterojunctions for self-driven photodetection
Two-dimensional (2D) van der Waals (vdW) heterojunctions provide an effective platform for realizing high-performance optoelectronic devices due to their tunable band alignments and unique layered str...
Experimental synthesis of orbital angular momentum flux density-preserving random structured vortex beams
Optical coherence plays a crucial role in controlling the orbital angular momentum (OAM) characteristics of random structured beams. However, due to low spatial coherence, the OAM flux density distrib...
Shape-optimized model-based reconstruction algorithm for radiacoustic imaging
We present a shape-optimized model-based reconstruction framework that addresses the limited-view problem in radiacoustic imaging arising from restricted detector placement, which creates severely ill...
Low-excess-noise quinary AlGaInAsSb avalanche photodiodes on InP
Quinary AlGaInAsSb avalanche photodiodes (APDs), lattice-matched to InP, were demonstrated as low-noise multiplication layers. A 995 nm thick p-i-n Al0.85Ga0.07In0.08As0.63Sb0.37 structure was grown o...
Polar antivortex in ferroelastic nanodots
Nontrivial topological textures are significant for both scientific research and practical applications. Molecular dynamics simulations with a two-dimensional Landau potential reveal that surface rela...
Band edge states dominated by interface atoms and strong interlayer coupling work together to drive the direct generation of interlayer excitons in vdW heterostructures
Previous generation of interlayer excitons has been limited to heterojunctions of transition-metal dichalcogenides, where excitons form via a two-step process of intralayer excitation followed by inte...
High-performance ReS2 photodetectors with graphene auxiliary layers and NbSe2 electrodes
Photodetectors (PDs) are vital in optical communications, environmental monitoring, and military applications. At present, conventional PDs face challenges such as high dark current, which restricts t...
<i>In situ</i> surface etching-assisted deposition for module-level optimization of pSOT-MRAM with sub-nanometer perpendicular magnetic anisotropy
In perpendicular spin–orbit torque (SOT) magnetic random-access memory, the SOT-track and the perpendicular magnetic tunnel junction (pMTJ) stack are typically deposited sequentially without vacuum br...
Edge-free continuous MTJ array enables robust skyrmion creation at scaled dimensions
Magnetic skyrmions in synthetic antiferromagnetic (SAF) systems are promising information carriers for next-generation spintronic devices owing to their nanoscale size, high stability, and minimized m...
Young's modulus and pressure-induced bandgap changes in CsPbX3 nanoparticles
The nanomechanical properties of lead-halide perovskites are vital for flexible electronics but are challenging to measure directly in individual nanocrystals. Here, we present an original experimenta...
Concurrent enhancement of thermopile responsivity and response speed via thermocouple number and multi-dielectric layer engineering
Fast response and high-sensitivity are both required for thermopiles used in real-time non-contact temperature monitoring. However, as a thermal detector, the response speed of a thermopile is often s...
Valence engineering enables cobaltosic oxide enhanced peroxidase-mimicking activity for efficiently detecting dopamine
Nanozymes as a promising alternative to natural enzymes are attracting enormous attention in past decades, yet their catalytic activities remain inferior to natural enzymes owing to the difficulties i...
Modulation of the interlayer Dzyaloshinskii–Moriya interaction by wedging
The interlayer Dzyaloshinskii–Moriya interaction (IL-DMI) has recently attracted extensive interest as an indirect chiral coupling. Effective control requires modulation of both its strength and direc...
Glassy magnetic dynamics emerging in a robust diamagnetic state of Ba2Co3.5Cl1.5O7 single crystal: A new phase of the mixed-anion cobalt oxyhalide
Glassy magnetic states typically develop on top of a paramagnetic or weakly ferromagnetic background. However, their emergence in a diamagnetic state remains largely unexplored. In this study, we repo...
Multimode RF reflectometry for spin qubit readout and device characterization
We introduce a multimode superconducting inductor architecture that enables radio frequency reflectometry at multiple discrete frequencies up to 2 GHz, addressing limitations of conventional single-mo...