Applied Physics Letters
Articles in this Issue
Lowering electron injection barrier via stepwise transport layer for high-performance blue inverted ZnSeTe QLEDs
All-solution processed inverted quantum dot light-emitting diodes (QLEDs) have shown great promise for applications in lighting and display technologies. However, the practical deployment of eco-frien...
Antiferromagnetic dynamics of Mn2Au driven by spin current pulses with perpendicular spin polarization
Antiferromagnets hold promise for ultrafast coherent switching of magnetic order. This study uses atomistic-level dynamic simulations to investigate the ultrafast spin dynamics of Mn2Au under current...
Utilizing the transverse thermoelectric effect of 4H-SiC for infrared laser detectors across a power range spanning from milliwatts to hundreds of watts
In this work, infrared (IR) laser detectors have been designed and fabricated based on the transverse thermoelectric effect of c axis tilted n-type 4H-SiC homoepitaxial materials. The power measuremen...
Coexistence of the composition and temperature-induced anomalies in enhancing the dielectric and energy storage properties of (Na0.5Bi0.5)TiO3-based piezoceramics
In high-performance piezoelectric ferroelectric materials like Pb(Zr,Ti)O3, significant properties are linked to composition-induced ferroelectric phase boundary, commonly referred to as the morphotro...
Strain-enhanced trion emission in monolayer WS2 modulated by an ion-gel electrochemical gate
The abundant light–matter interactions in monolayer WS2 make the manipulation of exciton states a fascinating endeavor. Utilizing photoluminescence spectroscopy, we investigated strain-induced red shi...
Phase-driven complex-valued network for quantitative microwave-induced thermoacoustic tomography
Deep learning has demonstrated significant strides in the field of microwave-induced thermoacoustic imaging, achieving superior imaging accuracy compared to conventional methods. However, the current...
Huge high-temperature superelasticity and complete strains recovery above 773 K in Ni–Mn–Ga-based microwire
There is an urgent need to develop high-performance high-temperature shape memory alloys (HTSMAs) that can be used as smart components in the fast-developing aerospace, robotics, manufacturing, electr...
Fast recovery dynamics of GaSbBi-based SESAMs for high-fluence operation
Modelocked lasers operating in the 2–3 μm wavelength region are interesting for various spectroscopic applications. To this end, GaSb-based semiconductor saturable absorber mirrors (SESAMs) are develo...
Multifunctional altermagnet with large out-of-plane piezoelectric response in Janus V2AsBrO monolayer
Altermagnetism has emerged as a third fundamental category of collinear magnetism, characterized by spin splitting in symmetry-compensated collinear antiferromagnets, offering a promising platform for...
Spin glass-like and exchange bias behavior in the van der Waals Fe1/4-<i>δ</i>NbS2 single crystal
Manipulating different magnetic ground states in single-phase compounds is crucial for understanding and achieving a significant exchange bias effect. Here, Fe-vacancy doping into the perfect lattice...
Significant enhancement of negative thermal expansion in LiYO2 induced by microstructure effect
The limited volume shrinkage rate poses a barrier to the application of negative thermal expansion (NTE) materials, and there are rare methods to significantly enhance NTE. Microstructure effect is an...
Hysteretic responses of nanomechanical resonators based on crumpled few-layer graphene
The process of suspending two-dimensional materials over cavities etched in a substrate occasionally results in crumpled membranes. Their complicated morphologies feature an abundance of folds, crease...
Impact of anti-phase boundary on the magnetocaloric effect in geometrically frustrated epitaxial MnCr2O4
In epitaxially grown spinel thin films, the anti-phase boundaries (APBs) are formed due to cationic rearrangements within the spinels on the lattice-mismatched substrates. We demonstrate that such an...
Influence of bias voltage on the performance of polarization-sensitive near-infrared photodiode based on dilute nitride GaNAs
Recent advances in ultrafast light polarization modulation and electrical control of polarization have increased the demand for polarization-sensitive photodetectors to enable polarization-based optic...
Improved performance of polycrystalline antiferromagnet/ferromagnet stack by nitrogen-assisted deposition
The deposition process of the IrMn3/Co70Fe30 bilayer of antiferromagnet/ferromagnet (AF/FM) type was modified by introducing a nitrogen additive in argon plasma during the magnetron sputtering of the...
Origin of high ionic conductivity in halide solid electrolyte Li3InCl6: Insights from native defects
Halide solid electrolyte Li3InCl6 (LIC) is a promising candidate for all-solid-state lithium-ion batteries due to its high conductivity and moisture stability. Despite its potential, the reproducible...
Magnetic anisotropy in inverse-sandwiched iridium-boron clusters: Single-molecule magnets from first-principles
Magnetic anisotropy is a key physical parameter for the miniaturization of magnetic information storage, and developing nanomaterials with high magnetic anisotropy is of high significance to magnetic...
Proximitized magnetotransport at SrVO3/ErCrO3 heterointerface
We report on the interfacial magnetotransport properties of a heterostructure composed of non-magnetic metal SrVO3 and magnetic insulator ErCrO3. There can be seen a magnetic proximity effect between...
Atomically thin transition metal dichalcogenide nanolasers: Challenges and opportunities
Low energy consumption nanolasers are crucial for advancing on-chip integrated optical interconnects and photonic integrated circuits. Monolayer transition metal dichalcogenides (TMDs) have emerged as...
CPT chip-scale atomic clock with direct-modulation chip-external cavity diode laser
Chip-scale atomic clocks are critical for applications requiring compact, energy-efficient, and highly stable timing, such as GPS receivers and communication systems. Coherent population trapping (CPT...
Diameter scaling limit of catalytic silicon nanowires confined by optimized ultrafine sidewall grooves
The fabrication of quasi-one-dimensional silicon nanowires (SiNWs) with ultrathin diameters below 10 nm is crucial for enhancing field-effect control in state-of-the-art transistors and is beneficial...
Bidirectional photocurrent in all-perovskite multilayer junctions for modulable light detection
Wavelength-induced photocurrent polarity switching could be a new building block for various optical applications, such as visible light communication and color discrimination imaging. Organic–inorgan...
Stable GaN nanoscale air channel array with ultralow-operated voltage and enhanced output current
III-nitride semiconductors, such as GaN, with many favorable material properties provide significant insight for nanoscale air channel devices to achieve high power and fast response even in harsh env...
Thermal expansion characteristics of Yb-rich high-entropy rare-earth zirconates with defective fluorite structure
An emerging trend in advanced thermal barrier coatings is the development of high-entropy ceramics. This study explores a Yb-rich high-entropy rare-earth zirconate synthesized though reverse coprecipi...
Effect of hydrogen on electrical properties and defects of AlGaN/GaN HEMTs
In this paper, the electrical characteristics of AlGaN/GaN high-electron-mobility transistors (HEMTs) were investigated after hydrogen treatment at room temperature, and the physical mechanism of hydr...