Applied Physics Letters
Articles in this Issue
Fabrication and structure analysis of freestanding superconducting YBa2Cu3O7−x membranes
YBa2Cu3O7−x (YBCO) superconducting freestanding membranes are expected to further expand the application scenarios of flexible electronic devices if the key problem of exfoliating the water-sensitive...
Formation mechanisms and suppression method of needle-like defects in HgCdTe epitaxial films
Hg1−xCdxTe (MCT) is a critical material for infrared detectors. The foundation of developing ultra-high-performance detectors lies in the suppression of defects in MCT films. In this study, MCT thin f...
Perspective: Topological photonics in nanoscaled systems with far-field radiation and polarization singularities
Topology is a powerful framework for controlling and manipulating light, minimizing detrimental perturbations on the photonic properties. Combining nanophotonics with topological concepts presents opp...
Guanidinium-mediated crystallization modulation for high-performance indoor flexible perovskite solar cells
Lightweight flexible perovskite solar cells (F-PSCs) have emerged as a commercially promising candidate for indoor energy harvesting applications. However, solution-processed fabrication induces deep-...
Direct linking of interfacial and interlayer chiral exchange coupling observed through interface tuning
In recent years, spintronics research has expanded from collinear to noncollinear magnetism, driving increased interest in the interlayer Dzyaloshinskii–Moriya interaction (IL-DMI) for its role in med...
Band alignment of MoS2/SiC heterojunctions with ultrahigh rectifying ratio and photovoltaic effect
Wide-bandgap semiconductor SiC's superior properties can be tailored by atomically thin MoS2 through its optoelectronic characteristics, driving innovation in next-gen optoelectronic and power devices...
Synergistic optimization of material innovation and interface engineering for COD mitigation in high-power GaN-based blue laser diodes
Catastrophic optical damage (COD), driven by thermal runaway from localized facet absorption, remains the primary failure mode in high-power GaN-based blue lasers. Herein, we propose a synergistic opt...
Canting-induced anomalous Hall effect in RGaGe (R <b>=</b> Nd, Gd) single crystals
Recently, the non-centrosymmetric Weyl semimetallic candidate family RTX (R = rare-earth element, T = poor metal, X = Si and Ge) has recently attracted significant attention due to its exotic quantum...
Cold atmospheric plasma selectively suppresses oral squamous carcinoma through ROS-mediated mitochondrial dysfunction
Cold atmospheric plasma (CAP), an emerging therapy in the physical treatment landscape, offers notable benefits in oncological interventions. This study undertook a comprehensive investigation of CAP'...
Strong coupling enables high-efficiency sum-frequency generation in a DBR-based lithium niobate waveguide
Sum-frequency generation (SFG) is of particular importance in coherent light sources, single photon detection, hyperspectral imaging, etc. However, high-efficiency SFG remains a challenge. Here, based...
Selenization of V2O5/WO3 bilayers for tuned optoelectronic response of WSe2 films
Scalable and controlled doping of two-dimensional transition metal dichalcogenides is essential for tuning their electronic and optoelectronic properties. In this work, we demonstrate a robust approac...
Lithium-doping enhanced WO3 photoanodes: Reduced carrier loss and extended collection length
Photoelectrochemical (PEC) solar-fuel conversion represents a promising approach for efficiently capturing and storing solar energy. WO3 is extensively utilized as a PEC photoanode, but its performanc...
Temperature dependent characterization of 140–180 nm AlGaN/GaN HEMTs using DC and small-signal RF measurements
We conducted comprehensive direct current (DC) and small-signal radio frequency (RF) characterization on AlGaN/GaN high-electron-mobility transistors (HEMTs) from 25 to 500 °C to investigate temperatu...
Interelectrode space optimization in photon-enhanced thermionic emission solar cells with near-field radiative transfer and bidirectional space-charge effects
This study investigates the often-overlooked bidirectional space-charge effect that arises from the simultaneous electron emission of both electrodes during the optimization of interelectrode spacing...
Sn-doping effect on dielectric properties of Ba(Ti1–<i>x</i>Sn<i>x</i>)O3 studied by x-ray absorption and emission spectroscopies
Significant enhancements of the dielectric and piezoelectric constants of Ba(Ti1−xSnx)O3 ceramics are of considerable interest in the quest for lead-free alternatives. The Sn-doping effect for x≤0.3 w...
Erratum: “Versatile confocal microscopy for imaging objects oscillating at frequencies exceeding the frame rate” [Appl. Phys. Lett. <b>126</b> , 263704 (2025)]
Dimensional control of magnetic phases and gate-tunable magnetism in van der Waals ferromagnet Fe4GeTe2
van der Waals (vdW) ferromagnet Fe4GeTe2, notable for its high Curie temperature, is investigated for its potential in electrically controlled spintronic devices. We report a systematic study of thick...
Suppression of step bunching in graphene growth on 4° off-axis SiC (0001) by a two-step growth technique
Step bunching during graphene growth on 4° off-axis SiC (0001) was effectively suppressed using a two-step growth technique. In the first step, a graphene buffer layer was obtained under vacuum. In th...
Minimal addition of fumed nanoparticles suppresses droplet splashing
Droplet splashing is a common issue in various applications, from industrial processes to natural phenomena. This study demonstrates a method for suppressing droplet splashing by adding minute concent...
Charge transfer rate modulated energy loss in indoor organic photovoltaic cells
Minimizing energy loss is pivotal for achieving high-performance indoor organic photovoltaic (IOPV) cells, where charge transfer (CT) rate critically governs exciton-to-charge conversion efficiency. N...
Mitigation of self-heating in AlGaN/GaN HEMTs using transferred LPCVD-grown h-BN
With the increasing power density of GaN-based power devices, the self-heating effect has become a significant bottleneck, impacting device reliability and performance, which makes effective thermal m...
Achieving optimized spin–orbit torque efficiency and energy savings with Pt1−x(VO2)x/Co multilayer films
Spin–orbit torque (SOT)-driven magnetization switching has demonstrated exceptional scalability, high-speed operation, and low-power characteristics in spintronic devices, making it a promising candid...
A high-entropy Al-based halide electrolyte enables cost-effective, high-performance all-solid-state batteries
Rare-earth halides are promising solid electrolytes (SEs) because of their comprehensively superior ionic conductivity, excellent electrochemical oxidative stability, and mechanical softness. However,...
Synchronization of propagating spin waves in spin Hall oscillators: A micromagnetic study
In this study, we investigate the synchronization of propagating spin waves in a spin-torque oscillator device layout using micromagnetic simulations. This design enables individual probing of the dc...
Ligand-assisted ion exchange enabled ultralong compositionally graded perovskite nanowires
The bandgap engineering of halide perovskites via ion exchange has attracted extensive attention in recent years. However, the composition tuning at the microscale is still challenging due to complica...