Applied Physics Letters
Articles in this Issue
Fabrication and characterization of single-crystalline CoSn(101¯0) kagome metal thin films for interconnect applications: Structure and anisotropic electrical resistivity
CoSn kagome metal is a pseudo-one-dimensional electronic conductor, exhibiting low resistivity (ρ) along the [0001] direction (c axis) and significantly higher ρ along other crystallographic direction...
The intergrowth of ferroelectric and relaxor ferroelectric phases in Bi6− <i>x</i> La <i>x</i> AlMg0.5Ti3.5O18 films achieves excellent energy storage properties
The Bi6−xLaxAlMg0.5Ti3.5O18 films were fabricated via the combination of sol-gel and plasma technologies. The coexistence of the ferroelectric phase and the relaxor ferroelectric phase in the Bi6−xLax...
Coexistence of perpendicular magnetic anisotropy and ferromagnetic insulation in vertically aligned nanocomposite films
Perpendicular magnetic anisotropy and ferromagnetic insulating behavior are two key properties for the advancement of spintronic devices, yet their coexistence in a single material system remains chal...
Large spin–orbit torque in sputtered amorphous PtTe films
Deterministic control of perpendicular magnetization via spin–orbit torque (SOT) offers a promising route toward nonvolatile, ultrafast, and energy-efficient spintronic applications. Obtaining large-s...
A-site high-entropy additives for energy storage
Entropy engineering has recently emerged as a promising strategy for enhancing the performance of energy-storage ceramics. In this work, four high-entropy compositions with equimolar ratios were desig...
THz emission manipulation and thermal robustness in CoFeB films via boron doping
Spintronic terahertz emitters (STEs) based on ferromagnet/nonmagnet heterostructures present a compelling alternative to conventional THz sources. In this work, we systematically investigate the effec...
0D/1D mixed-dimensional heterojunction synaptic transistor for visual information processing
Neuromorphic hardware based on artificial synaptic devices offers a promising solution to the speed and power efficiency bottlenecks of conventional von Neumann architectures, paving the way for next-...
Origin of the efficiency drop in far-UVC LEDs emitting between 218 and 238 nm
The rapid drop in the external quantum efficiency (EQE) of light emitting diodes (LEDs) in the far-ultraviolet-C (far-UVC) spectral range with emission wavelengths between 218 and 238 nm toward shorte...
Real-time SOC monitoring in NCM Li-ion batteries via quasi-static component of nonlinear guided wave
We report real-time state-of-charge (SOC) monitoring in NCM Li-ion batteries using quasi-static nonlinear guided waves (QSC-NGW). An experimental system is developed to capture QSC-NGW during battery...
Influence of heterovalent doping on tetrahedral N interstitial formation in dilute GaAsN alloys
Dilute alloying of GaAs with N enables bandgap tuning for near-infrared to mid-infrared optoelectronic devices. However, non-substitutional N incorporation has been linked to lower absorption and emis...
Integrating ferroelectric Hf0.5Zr0.5O2 films with SrTiO3 by two-dimensional electron gas at interfaces
Integrating multiple functionalities within a single electronic device remains a pivotal research focus, particularly for achieving the coexistence of ferroelectricity and metallic conductivity. As sy...
Thin-film deposition by a confined bubble moving in viscoelastic Boger fluids
Thin-film deposition is ubiquitous in a wide range of engineering and biological applications. While viscous film deposition in Newtonian fluids has been extensively investigated, the film deposition...
Experimental and modeled analysis of source-line loading effects in NOR flash compute-in-memory arrays
We investigate the fundamental electrical mechanisms driving non-ideal current behavior in NOR flash-based compute-in-memory (CIM) arrays. Measurements from an industrial 45 nm NOR flash process ident...
Magnetically enhanced quasi-zero-stiffness galloping harvester for efficient wind energy harvesting and autonomous sensing
This study presents an enhanced quasi-zero-stiffness galloping-based piezoelectric energy harvester (EQZS-GPEH) for efficient wind energy harvesting and self-powered wind speed sensing. It employs a f...
Designing the weak Fermi pinning and ferromagnetic van der Waals contacts to bilayer CrI3
In this work, we conduct comprehensive first-principles computations on van der Waals (vdW) contacts between two-dimensional (2D) metals and bilayer CrI3. This study examines the Fermi level pinning (...
Rationally phase-locked magnon frequency combs from the pinned domain wall
Frequency combs, composed of equally spaced spectral lines, have revolutionized precision metrology and the generation of coherent waveforms. Extending this concept to magnetism, spin waves (SWs) offe...
Preserving intrinsic topological states in Cu-dicyanoanthracene via weakly interacting substrate engineering
Two-dimensional organic topological insulators (2D-OTIs) face significant challenges in experimental realization due to substrate-induced disruption. We conduct high-throughput density functional theo...
Controlled comparison of phase-tuned exceptional and diabolic point sensing in integrated optical microresonators
Exceptional Points (EPs)—non-Hermitian degeneracies where both eigenvalues and eigenvectors coalesce—have attracted significant attention for their potential to enhance the sensitivity of optical micr...
Contact-doping co-engineering for vertical van der Waals complementary field-effect transistors
Complementary field-effect transistors (CFETs) based on van der Waals heterostructures are a promising platform for extending Moore's law beyond silicon technology. However, this potential is hindered...
On chip digital-to-analog converters for ultrafast signals using spintronic terahertz emitters
We demonstrate a proof-of-principle for a device in which we can realize binary encoding of the amplitude of an ultrafast signal similar to a multiplying digital-to-analog converter. The device was de...
Defect evolution in proton-irradiated 4H-SiC
4H silicon carbide (4H-SiC) is a critical material for power electronics used in extreme radiation environments such as spacecraft and nuclear reactors. Among all kinds of radiations, proton radiation...
Anomalous Zeeman splitting of plasmonic resonances in a magnetoplasmonic particle under vortex beams
The orbital angular momentum (OAM) of light opens up a new physical dimension for studying light–matter interactions. In this paper, we revealed that the Zeeman splitting of plasmonic resonances in a...
Topological Hall effect and magnetic domain walls in kagome ferrimagnetic HoMn6Sn6 single crystals
This study explores the distinctive physical properties of HoMn6Sn6 single crystal with a kagome lattice structure. The magnetic and electronic transport properties of this material exhibit strong dep...
Metalens-coupled terahertz NbN hot electron bolometer mixer
Enabled by planarized phase engineering, metalenses based on metasurfaces offer compact and scalable solutions for applications such as sensing, imaging, and virtual reality. They are particularly att...
Ar/NH3 plasma-tailored Pt–O–W interfaces enable sub-1% Pt loading self-supported electrode for enhanced hydrogen evolution reaction
The manufacturing of defect-engineered heterojunction catalysts is achieved using Ar/NH3 plasma treatment, which enhances the interaction between tungsten carbide (WC) and platinum (Pt) nanoparticles...