Applied Physics Letters
Articles in this Issue
Top-gated multifunctional MoS2/silicon-on-insulator heterojunction
Van der Waals heterojunctions that combine materials with distinct properties enable the integration of multiple functionalities into a single device. Here, we demonstrate a top-gated n–n MoS2/silicon...
Origin of spin–orbit torques and spin transport in Pt/Co/Cu/NiFe/Cu/capping multilayers
Spin–orbit torque (SOT) enables efficient current-driven control of magnetization, offering a promising pathway toward low-power spintronic devices. However, the origin of both damping-like (DL) and f...
Spinel CoFe2O4/NiFe2O4 bilayer thin films with enhanced resistive switching and magnetic modulation
Designing multilayer resistive switching (RS) structure is an effective strategy to enhance resistive random-access memory performance. However, studies employing bilayer spinel oxides remain limited....
Mutual inductance sensing SQUID: Cryogenic microcalorimeter based on mutual inductance readout of superconducting temperature sensors
Superconducting microcalorimeters, such as superconducting transition-edge sensors and magnetic microcalorimeters, have emerged as state-of-the-art detectors for x-ray emission spectroscopy by combini...
Propagation of discharges inside a micro-channel within a lossy dielectric
Low temperature plasma interacting with porous dielectrics plays a significant role in the plasma-material industry. As plasma is capable of penetrating into a micro-channel and further inducing a for...
Super-quadratic scaling anomaly in excitation power dependence of photoluminescence: Optically detected quasi-Fermi edge resonance
Standard model of electron–hole recombination predicts a sub-quadratic scaling of photoluminescence intensity as a function of the excitation power, which often helps clarify the underlying physical p...
Dimensional crossover-induced polarization boost in layered perovskite Ca2Nb2O7 under high pressure
In recent years, dimensional engineering in perovskites has attracted considerable interest as an effective strategy to tailor their optical and electrical properties. However, conventional chemical d...
Niobium nitride grown on III-nitrides by MBE: Epitaxial growth and phase transitions, prospects for hybrid superconductor/metal/semiconductor heterostructures on silicon
III–N nitride semiconductor materials have made remarkable breakthroughs in the fields of optoelectronics and electronics using epitaxial heterostructures combining binary and ternary alloys (GaN, AlN...
Manipulation of the excitonic emission in few-layer CrSBr by magnetic order, strain, and electrostatic doping
The two-dimensional (2D) magnetic material CrSBr has attracted significant interest for developing spin-based optoelectronic devices due to its unique magneto-optical properties. In this Letter, we re...
Stability and performance enhancement of a-IGZO TFTs by H incorporation
We investigated the competing roles of hydrogen incorporation and oxygen vacancy (VO) passivation in amorphous In–Ga–Zn–O (a-IGZO) thin-film transistors by controlling the SiH4 flow rate during gate i...
Afterpulsing suppression in 4H-SiC avalanche photodiodes by sub-bandgap photoexcitation
Dark counts in silicon carbide avalanche photodiodes (SiC APDs) significantly limit their signal-to-noise ratio and overall performance, with afterpulsing being a major contributing factor. However, t...
An optical probe based on forward Brillouin scattering for multidimensional sensing of temperature and concentration in microscale liquid environments
Conventional temperature sensing based on forward Brillouin scattering (FBS) typically relies on the frequency shift of acoustic modes in tens-of-meters-long optical fibers, making it ill-suited for m...
Visualizing dual-surface stress distribution of transparent soft materials by combining fluorescence imaging-based dual-surface DIC and hyperelastic constitutive modeling
Transparent soft materials are critical components in flexible electronics. The inherent material heterogeneity and complex microstructures within these devices often lead to highly non-uniform stress...
LiCl doping modulated PbS hole-transport layer for high-efficiency Sb2(S,Se)3 solar cells
The efficiency of Sb2(S,Se)3 solar cells is primarily limited by severe back-interface non-radiative recombination due to unfavorable band alignment and defects, thus making low-cost, stable, and suit...
Widefield NV magnetic field reconstruction for probing the Meissner effect and critical current density under pressure
The spatial distribution of a magnetic field can be determined with micrometer resolution using widefield nitrogen vacancy (NV) center magnetic imaging. Nevertheless, reconstructing the magnetic field...
Resonant nanoscale magnonic neurons
We use micromagnetic simulations to demonstrate neuron functionality of two-dimensional (2D) chiral magnonic resonators. Our design exploits nonlinear resonant scattering of spin waves propagating in...
Effective lateral isolation for hydrogen-terminated diamond field-effect transistors via nitrogen ion implantation
Field-effect transistors (FETs) based on hydrogen-terminated (H-terminated) diamond have attracted growing attention for their potential in power electronics and communication technologies. The conven...
Quantum well-modulated transport and voltage-controlled magnetic anisotropy in Cr/Fe/MgO junctions at room temperature
Quantum well (QW) states in ultrathin Fe layers can strongly influence transport and magnetic anisotropy in magnetic tunnel junctions, yet their formation in Fe/MgO systems is complicated by interface...
Probing the Meissner effect in single crystals of Bi2Sr2Ca2Cu3O10+δ via wide-field quantum microscopy under high pressure
We investigated the pressure dependence of the superconducting transition temperature (Tc) in optimally doped Bi2Sr2Ca2Cu3O10+δ (Bi-2223) single crystals using different pressure-transmitting media. P...
Resource-efficient parallel entanglement generation for multinode quantum networks via time-bin multiplexing
Nonlocal entanglement generation among multiple remote quantum nodes provides a critical foundation for a variety of counterintuitive quantum applications. The exponential loss of photons transmitting...
Adaptive organic phototransistor for light-suppressed regulation
Light-adaptive synapse devices rely on physical mechanisms capable of dynamically responding to light intensity changes, where the negative photoconductivity (NPC) effect is crucial for achieving ligh...
Remote plasma for damage-controlled fabrication of single-photon emitters in ultrathin hexagonal boron nitride
Hexagonal boron nitride (hBN) hosts bright and robust color centers, with emission in the ultraviolet to near-infrared range, that are generally obtained either by activating pre-existing atomic defec...
Phonon-modulated magnon transport via ferromagnetic resonance in a nonlocal YIG/Pt device
Owing to magnetostrictive effects, nonlocal magnon transport in yttrium iron garnet (YIG) is often accompanied by phonon excitation. However, the influence of these phonons on magnon spin transport re...
Contribution of surface state to dislocation dissociation in metallic solids
A surface state (Es) is generated in the electronic band structure when a stacking fault (SF) forms due to the violation of the translational symmetry of a crystalline structure at dissociated partial...
Spectroscopic imaging ellipsometry for spatially resolved mapping of layer-by-layer oxidation in WSe2
Tungsten diselenide is a prominent candidate for nanoscale electronics and complementary metal–oxide–semiconductor technology due to its controllable p-type and n-type doping that is achievable throug...