Applied Physics Letters
Articles in this Issue
Magnetic and stackable flexible photonic crystal perfect absorbers
The detrimental effects of electromagnetic pollution on wireless communication and potential health risks necessitate the development of efficient mitigation strategies. However, traditional absorbing...
Boosting piezoelectric response in lead-free KNN crystals via direct current and alternating current poling
Ferroelectric materials with strong piezoelectric responses are critical for high-performance electromechanical devices. Alternating current poling (ACP) has been shown to effectively enhance the piez...
Enhanced thermoelectric performance in organic thin films via MoO3-mediated contact resistance reduction and energy filtering
Organic thermoelectric (OTE) devices have garnered increasing attention as promising candidates for flexible and low-cost energy harvesting technologies. However, their performance has been largely co...
Investigation of ultrathin surface passivation layers for GaN: A comparative analysis of Al2O3, SiO2, and SiNx in reducing surface recombination
Semiconductor grafting is pivotal for the heterogeneous integration of materials in electronics and optoelectronics, offering isolation of crystal growth from the substrate and enabling combinations o...
Enhancement of resistive switching properties in RRAM with AlN-Al2O3 bilayer structure
This study presents the fabrication process and bipolar resistive switching behavior of an Au/Al/AlN/Al2O3/Pt/Ti random-access memory device. The proposed device, incorporating a thin Al2O3 layer betw...
Enhancement of high-temperature capacitive energy storage performance in all-polymer dielectric composites via microphase separation
Polymer dielectric capacitors play a crucial role in modern electronics and power systems owing to their exceptional power density, high breakdown strength, excellent processability, and cost-effectiv...
Switchable optoelectronic performance in bilayer WSe2 homojunctions with alternating AA-AB stacking
Lateral homojunction construction in two-dimensional (2D) semiconductors is critical for tailoring material properties to advance high-performance optoelectronics. In this study, a bilayer tungsten se...
Unraveling effects of competing interactions and frustration in vdW ferromagnetic Fe3GeTe2 nanoflake devices
Two-dimensional (2D) van der Waals (vdW) magnets and devices have garnered significant attention owing to the stabilization of long-range magnetic order down to atomic limit, and the prospect for quan...
Valley polarization and anomalous valley Hall effect in altermagnet Ti2Se2S with multipiezo properties
Recently, altermagnets demonstrate numerous unique physical phenomena due to their inherent antiferromagnetic coupling and spontaneous spin splitting, which are anticipated to enable innovative spintr...
Shear-strain induced β phase transformed by high pressure torsion process at room temperature in pure Ti
Shear-strain induced α (hcp) phase to β (bcc) plus ω (simple hexagonal, space group P6/mmm) phase transformation in pure titanium (Ti) occurs during high pressure torsion (HPT) deformation at the pres...
Adjustable weak measurement differential microscopy via flat differentiator
Feature extraction and phase retrieval, as critical technical nodes in imaging technologies, play a pivotal role in label-free biological imaging and target recognition. Optical differential imaging i...
Reading the interaction between vortex textures in an FORC diagram
Many modern spintronic devices are based on large arrays of magnetic elements, where the interaction between them and their magnetic textures is often a key part of their performance. The experimental...
Acoustic resonators above 100 GHz
Piezoelectric resonators are a common building block for signal processing because of their miniature size, low insertion loss, and high quality factor. As consumer electronics push to millimeter wave...
Enhanced field emission properties of graphene composite films by introducing graphene oxide
Graphene films are composed of graphene layers that exhibit high levels of order, thereby enabling their use as aligned emission arrays. However, the limitations of the film are attributable to its el...
Synergistic mechanism underlying the enhanced electrical performance of vertical <i>β</i>-Ga2O3 Schottky barrier diodes through proton irradiation and annealing
This study presents the enhancement of the electrical performance in vertical β-Ga2O3 Schottky barrier diodes (SBDs) through proton irradiation followed by annealing processes, along with the underlyi...
Dilute bismuth incorporated InGaBiAs photodetectors for extended short-wave infrared detection
Dilute bismuth (Bi) incorporated InGaBiAs is a promising material for an extended range of short-wave infrared (e-SWIR, 1.7–2.5 μm wavelength) detection. The InGaBiAs is a highly mismatched semiconduc...
Label-free and ultra-low concentration detection of gastric cancer biomarker miRNA 106a using In-Sn-Zn-O thin-film transistor biosensor
Gastric cancer remains a leading cause of morbidity and mortality globally. Early screening is essential for improving survival rates. This study proposes an approach to early gastric cancer screening...
Digital optics and optical intelligent agent
Over the past few decades, digital optical technologies have undergone significant advancements and revolutionized the optical science and technologies. It not only challenges the classical optical fr...
Tailoring spin reorientation and magnetic interaction for room-temperature spintronics in Tb-doped SmFeO3 single crystal
Selective doping with different R-site ions in rare-earth perovskite RFeO3 compounds offers an effective way to achieve atomic-scale tuning of the complex exchange interactions. In this study, the spi...
Suppressed phonon transport and strong four-phonon scattering in zeolite-like SOD-MO (M = Mg, Zn, Cd)
By using the self-consistent charge density-functional tight-binding method combined with iterative solutions of the Boltzmann transport equation, we systematically investigated the thermal transport...
Ternary amorphous/crystalline NiMoB/Ni@Ti3C2 heterostructures with electronic modulation for high-performance alkaline hydrogen evolution catalysis
Constructing multicomponent heterostructures with coexisting amorphous and crystalline phases offers a promising strategy to finely optimize electronic structures and thereby promote the hydrogen evol...
Structural and electrical properties of MOCVD-grown scandium nitride thin films on sapphire, Si, GaN, and SiC
Investigation of the growth and properties of binary ScN can aid in the understanding of its ferroelectric ternary alloys with GaN and AlN, but there are no existing data for ScN grown by metalorganic...
An organic optoelectronic synaptic transistor for image preprocessing
Optoelectronic synapses, with their ability to sense and memorize optical signals, are pivotal in the advancement of bionic visual systems. However, current devices often suffer from suboptimal paired...
Reproducible generation of green-emitting color centers in hBN using oxygen annealing
The ability to generate quantum emitters with reproducible properties in solid-state matrices is crucial for quantum technologies. Here, we show that a high density of close-to-identical single-photon...
Local atomic structure of amorphous Fe81−<i>x</i>Co<i>x</i>Nb7B12 alloys using synchrotron radiation x-ray diffraction and pair-distribution function analysis
Fe81−xCoxNb7B12 alloys are members of the high thermal stability and magnetic performance (HITPERM) family of materials, which exhibit exceptional magnetic properties, including high Curie temperature...