Applied Physics Letters
Articles in this Issue
Unified catalysis and confinement in a Prussian blue analogue via anisotropic lattice distortion
Resolving the coupled challenges of parasitic polyiodide shuttling and sluggish redox kinetics is critical for advancing aqueous zinc-iodine (Zn-I2) batteries. This work demonstrates a unified physica...
Giant structure anisotropy and highly polarization-sensitive photodetection in quasi-1D van der Waals Nb4P2S21
High-performance polarization-sensitive photodetectors have attracted significant attention in optoelectronics. Low-dimensional semiconductors with asymmetric crystal lattices are ideal polarization d...
High-performance annealing-free InGaZnOx thin film transistors by thermal ALD
We report indium–gallium–zinc oxide (IGZO) thin-film transistors (TFTs) fabricated entirely by thermal atomic layer deposition (TALD) within a low thermal budget (≤300 °C) and without post-deposition...
3.89-kV AlGaN/GaN Schottky barrier diodes on silicon substrate with BaTiO3 field plate termination
This Letter demonstrates a high breakdown voltage (VBK) lateral AlGaN/GaN Schottky barrier diode (SBD) on Si substrate. Using the high-permittivity material BaTiO3 in a field plate structure provides...
Development of fast-response flexible temperature sensor for air–sea interface monitoring
Sea surface temperature plays a crucial role in the exchange of heat, gases, and materials between the ocean and atmosphere, profoundly influencing global climate, marine ecosystems, and atmospheric c...
1 kV vertical Al0.51Ga0.49N power Schottky diodes
We report 1 kV vertical Al0.51Ga0.49N-on-sapphire power Schottky barrier diodes (SBDs) with oxygen plasma treatment (OPT-SBDs). Compared with the reference AlGaN SBDs without treatment (C-SBDs), the f...
Quantum anomalous Hall state and Weyl nodal line semimetal state in room-temperature magnetic VTiCF2 monolayer
Two-dimensional MXenes exhibit exceptional magnetic and topological properties, making them promising candidates for spintronic devices. Herein, we investigate the electronic and magnetic characterist...
A magneto-droplet resonance spectroscopy method for monitoring the blood coagulation process
Assessment of coagulation function is crucial for anticoagulant therapy, surgical procedures, and cardiovascular diseases. Changes in the mechanical properties during coagulation can directly reflect...
Effect of doping on the ferroelectric properties of wurtzite Al1 <b>−</b> xYxN
Ferroelectric materials can be used to fabricate ferroelectric random-access memory with significant performance advantages. Recently, doped wurtzite-type ferroelectrics have attracted widespread atte...
The manipulations of light-induced chiral edge states in monolayer noncollinear antiferromagnet Sc3C6O6
The quantum anomalous Hall effect (QAHE) is a hallmark of topological quantum states, which has attracted significant attention due to its dissipationless transport characteristics. This study theoret...
Low turn-on and surge-robust <i>β</i> -Ga2O3 heterojunction barrier Schottky diodes enabled by conductivity modulation
We report β-Ga2O3 heterojunction barrier Schottky (HJBS) diodes featuring a low turn-on voltage (Von) and high surge robustness. A p-type NiO overlayer, fully covering the tungsten-based Schottky cont...
Bridging thermal innovations to the design of 2D materials-based electronic devices
Two-dimensional (2D) materials hold significant promise for next-generation nanoelectronics while introducing critical thermal management challenges. The extreme thinness, anisotropic heat transport,...
A general approach to modeling graphene field-effect transistors for photothermoelectric detection
Owing to the unique linear Dirac-cone dispersion of graphene, graphene field-effect transistors (GFETs) exhibit advantages including high carrier mobility and ambipolar transport. Leveraging these pro...
Investigation of long-range superconducting proximity effects in Sb2Te3/FeSe0.5Te0.5 heterostructures with topological surface states
This study investigates the interplay between superconductivity and topological surface states in heterostructures formed by combining the well-known three-dimensional topological insulator Sb2Te3 wit...
The cooperative cation– <b> <i>π</i> </b> interaction in two-dimensional THD-C as a high-capacity anode material for Li-ion batteries
Two-dimensional (2D) carbon allotropes for high-performance electrode materials in lithium-ion batteries (LIBs) are attracting a great deal of research interest due to their unique architectures. Here...
Surface contact doping effect of Si on AlGaN/GaN heterojunction
A thin layer of Si was deposited on a series of AlGaN/GaN heterojunctions with sub-critical barrier thicknesses, resulting in the formation of a two-dimensional electron gas (2DEG) at the heterointerf...
Inverse design of terahertz amplitude modulator using tandem deep neural networks
The terahertz (THz) frequency range has emerged as a promising spectral window for broad applications, including next-generation wireless communication, high-resolution imaging, and ultrafast spectros...
Enhanced lifetime of flexible organic light-emitting diodes by pressure assisted interfacial adhesion
Environmental stability and lifetime are important for the applications of flexible organic light-emitting diodes (OLEDs). This work investigates the effects of external pressure on the stability and...
Ultra-low damping of the translational motion of a composite graphite rod in a magneto-gravitational trap
We demonstrate an ultra-low dissipation, one-dimensional mechanical oscillator formed by levitating a millimeter-scale composite graphite rod in a room-temperature magneto-gravitational trap. The trap...
Quantum oscillations and ultrahigh mobility in rare-earth tritellurides SmTe3
Rare-earth tritellurides (RTe3, R = lanthanide) represent an ideal platform for investigating charge density wave (CDW) order and associated Fermi surface reconstructions. While quantum oscillations h...
Extending channel attention to kernel space for fluorescence microscopy image denoising
Deep learning has demonstrated significant potential in fluorescence microscopy imaging. However, most existing methods primarily enhance channel or spatial features, overlooking the capabilities of k...
Achieving analog and digital resistive switching for quasi-2D perovskite memristors by compositional regulation and crystalline manipulation
With the advent of the information age, the demand for memristors in neuromorphic circuits and artificial intelligence has become increasingly urgent. In this Letter, analog- and digital-type resistiv...
62.6 GHz ScAlN solidly mounted acoustic resonators
We demonstrate a record-high 62.6 GHz solidly mounted acoustic resonator (SMR) incorporating a 67.6 nm scandium aluminum nitride (Sc0.3Al0.7N) piezoelectric layer on a 40 nm buried platinum (Pt) botto...
Integrated AlGaAs/GaAs betavoltaic arrays with low self-discharge LiCoO2 batteries for efficient β-energy conversion and storage
Nuclear batteries are emerging power devices that convert radioactive decay energy into electricity. In this study, we developed a six-layer AlGaAs/GaAs heterostructure betavoltaic cell array by seria...
Role of Rashba spin–orbit coupling for voltage-controlled magnetic anisotropy at magnetic tunnel junction interface Fe/MgO
At the Fe/MgO interface in magnetic tunnel junctions (MTJs), a sharp electrostatic potential gradient results in the breaking of inversion symmetry of the system and gives rise to the Rashba-type spin...