Applied Physics Letters
Articles in this Issue
Tunable sign reversal of giant Goos–Hänchen shifts in graphene-covered quantum wells
We theoretically investigate tunable sign reversal of giant Goos–Hänchen shifts in a graphene-covered semiconductor quantum-well cavity. A coherently driven four-subband semiconductor quantum-well med...
Interface-driven enhancement of spin–orbit magnetic readout at a ferromagnetic Rashba–Edelstein interface in Co/Pd
Magneto-electric spin–orbit logic requires efficient spin–charge interconversion in scalable geometries. Here, we use Co/Pd heterostructures as a model system to demonstrate local spin–orbit readout a...
MoS2 field-effect transistors gated with quasi-1D metallic TaSe3 crystal
The extensive exploration of two-dimensional (2D) materials for field-effect transistors (FETs) scaling has imposed stringent requirements on next-generation interconnects with excellent electrical re...
Melt front visualization and flow prediction in dynamic phase change materials on finned heat sinks
Dynamic phase change materials (dynPCMs) offer high heat transfer rates over extended times due to a force applied to the PCM that pumps away melted liquid and maintains a thin melt layer. The melt la...
Spin reorientation and multi-physical field control in high-entropy orthoferrite single crystals
The high-entropy design strategy offers a route to control the spin order in rare-earth orthoferrites (RFeO3). In this work, a high-entropy perovskite single crystal of Y0.2Nd0.2Sm0.2Er0.2Tm0.2FeO3 (5...
Coherently grown AlN/GaN HEMT heterostructures on AlN buffer on SiC substrate—Impact of coherent growth on electrical and thermal characteristics
AlN/GaN high-electron mobility transistor (HEMT) heterostructures are advantageous for developing high-frequency and high-power devices, owing to their thinner barrier layers and high polarization-ind...
All-optical ultrafast tunable linear absorption with a VO2 based metamaterial
The phase-dependent plasmonic response of a metamaterial platform composed of VO2 nanocrystals (NCs) embedded in an SiO2 matrix was investigated using ultrafast time-resolved spectroscopic ellipsometr...
ZnO@ZnS core–shell nanocomposites enable ultra-enhanced ultraviolet exciton luminescence in ZnO
ZnO materials play a crucial role in optoelectronic devices, such as ultraviolet (UV) photodetectors and radiation detectors, owing to their strong UV exciton emission. In this work, ZnO nanoparticles...
Single pair of charge-two Weyl fermions in chiral boron allotropes
The realization of a minimal Weyl semimetal (WSM) hosting a single pair of Weyl points (WPs) has thus far been restricted to magnetic systems, since time-reversal symmetry generally enforces a minimum...
Localized electrothermal annealing for rapid recovery of ambient degradation in indium oxide transistors via COMSOL simulations and experimental characterization
This work reports an electrothermal annealing (ETA) technique based on localized Joule heat for effective recovery of the electrical characteristics of indium oxide (In2O3) thin-film transistors (TFTs...
High-efficiency scalable hybrid silicon grating couplers for thin-film lithium niobate photonics
In this work, we report a high-efficiency hybrid silicon-on-thin-film lithium niobate (Si-on-TFLN) grating coupler platform. By utilizing a silicon overlay to enhance diffraction contrast, a simulated...
Microwave field sensing and laser stabilization with Rydberg atoms excited through the 7 <i>P</i> 1/2 state in an inverted ladder scheme
We present an inverted ladder cesium Rydberg atom excitation scheme with a probe transition of 6S1/2→7P1/2 (459 nm) and coupling transition of 7P1/2→nD3/2 (⩾1038 nm) for electric field sensing, as an...
A DNA-inspired magnetic millimeter-scale swimmer with double conical chains
Microswimmers have attracted significant attention in biomedical engineering and targeted drug delivery. However, the current microswimmer designs are hindered by low swimming velocity and poor maneuv...
Synergistic strengthening at the <b> <i>γ</i> </b> / <b> <i>γ</i> </b> ′ interface: A pinning-to-network transition driven by trace Co
Precisely tuning interfacial properties with trace elements is a key challenge in alloy design, particularly for Ni-based superalloys where the role of trace Co at the γ/γ′ interface is unclear. This...
Interplay of ferromagnetic and antiferromagnetic interactions in epitaxial Co3ZnN
Antiperovskite nitrides with the general formula M3AN have attracted significant attention due to their tunable electronic and magnetic properties. Among them are many cobalt-based compounds predicted...
Non-epitaxial growth and electrical properties of highly (222)-oriented ITO thin films
The crystallographic orientation of transparent conducting oxides is a critical determinant of their functional properties. Herein, we demonstrate the non-epitaxial growth of highly (222)-oriented ind...
Enhanced near-infrared emission in Na2ZnSiO4:Fe3+ via lattice engineering toward highly sensitive fluorescence lifetime thermometry
Fe3+-activated near-infrared luminescent materials are gaining interest for applications in night vision, bioimaging, and food analysis. Although Fe3+ is often considered a luminescence quencher, prop...
Critical current density field and thickness dependence in thin flakes of quasi-two-dimensional superconductor NbS2
We present an investigation of the critical current density and pinning force in superconducting NbS2 flakes in a parallel magnetic field. Our study demonstrates that the critical current in intermedi...
Entanglement dynamics of multi-fluxonium-qubits under non-Markovian TLS noise
We examine the entanglement dynamics of two capacitively connected fluxonium qubits influenced by correlated non-Markovian two-level-system (TLS) noise. The environment is represented by an Ornstein–U...
Electric-double-layer memcapacitive reservoirs for energy-efficient human action processing
Physical reservoir computing (PRC) exploits intrinsic material dynamics for energy-efficient neuromorphic hardware. However, conventional resistive PRC implementations suffer from high power consumpti...
Pressure-induced higher-order topological phase in CsAu3S2
External pressure is an efficient means for manipulating various topological states (such as topological insulators and topological semimetals), yet its potential for driving higher-order topology rem...
Reference-free computational holographic imaging based on non-zero frequency single-pixel detection
Single-pixel imaging (SPI) provides unique advantages for complex-field imaging, especially in weak-light conditions or at special wavelengths. However, existing schemes still face the conventional li...
Theoretical study on image encryption based on near-field thermal radiation of many-body systems
Under the escalating challenges in information security, encryption technology has become a core defensive measure, yet single digital encryption still faces interception and decryption risks, driving...
Nonlinearity correction-free FMCW LiDAR based on monolithically integrated sideband injection locking: Breaking coherence length limit
The frequency-sweep nonlinearity of the light source in frequency-modulated continuous-wave (FMCW) LiDAR degrades the signal-to-noise ratio, thereby affecting the ranging accuracy and effective detect...
Role of CoFeB/Pt stacking order on interfacial Dzyaloshinskii–Moriya interaction driven spin-wave asymmetry
The interfacial Dzyaloshinskii–Moriya interaction (iDMI) plays a vital role in stabilizing chiral magnetic textures and enabling nonreciprocal spin-wave propagation, both of which are essential for th...