Applied Physics Letters
Articles in this Issue
High-performance near-infrared photodetector based on single-walled carbon nanotubes and PbS quantum dots
Because of the high carrier mobility and suitable bandgap of single-walled carbon nanotubes (SWCNTs), combining SWCNTs with bulk semiconductors to form heterostructures has become a promising approach...
Hydrogen crossover in PEM water electrolyzers at high current density: Impact of temperature rise
Hydrogen crossover critically affects the safety and efficiency of proton exchange membrane (PEM) water electrolyzers. This study fabricated a composite membrane embedded with temperature sensors to e...
Enhancing magnetoelectric coupling in Ni/PMN-PZT/Ni laminates by Ni electroplating
Adhesive-free 2-2 structured Ni/Pb(Mg1/3Nb2/3)O3–PbZrTiO3/Ni laminates were realized by directly electroplating magnetostrictive Ni onto [011]-oriented Pb(Mg1/3Nb2/3)O3-Pb(Zr,Ti)O3 (PMN-PZT) single cr...
Giant high-temperature electrostrain in BiFeO3-BaTiO3 ceramics via SrZrO3-induced morphotropic phase boundary and defect-mediated domain engineering
The 0.60BiFeO3−0.40BaTiO3-SrZrO3 (BF40BT-xSZ) compositional system is engineered to establish a morphotropic phase boundary (MPB) between coexisting tetragonal and pseudocubic phases (T+PC). Our resul...
Dual regulation of band asymmetry via GaSb layers for high-performance InAs/GaSb long-wavelength infrared nBn detectors
We demonstrate a strategy to resolve the inherent trade-off between electron blocking and hole transport in InAs/GaSb type-II superlattice nBn structures by precisely tuning the GaSb layer number in t...
Strong coupling and non-Hermitian control in inductively coupled wireless power transfer
Recent advances in non-Hermitian physics have shed light on the profound role of environmental interactions in open systems. Non-Hermitian electrical circuits have emerged as a versatile platform for...
Multiple discharge dynamics of long-distance transferred atmospheric pressure plasma jets with floating electrode
The atmospheric pressure plasma jet with a floating electrode, operated in a long-distance transfer mode, plays a key role in tumor treatment within the human body and medical device sterilization. In...
Signatures of real-space geometry, topology, and metric tensor in quantum transport in periodically corrugated spaces
The motion of a quantum particle constrained to a two-dimensional non-compact Riemannian manifold with nontrivial metric can be described by a flat-space Schrödinger-type equation at the cost of intro...
An incremental strategy for tunable anisotropic piezoelectricity in 2D materials
Anisotropic flexible piezoelectric materials hold potential for designing flexible sensor capable of screening, distinguishing, and storing different forms of energy. However, suitable two-dimensional...
Enhanced emission of Ge nanoislands in two-dimensional photonic crystals with an unpatterned central region
Two-dimensional photonic crystals are widely used to enhance the light-emitting properties of active media, primarily due to improved light extraction efficiency. However, it is well known that the fo...
Multi-physics field coupled elastomers for enhanced mechanoluminescence and magneto-optical response
Mechanoluminescence (ML) elastomers have shown great potential in flexible display and sensing devices. However, the dependence on material properties is the current bottleneck. Herein, we introduce a...
Using Landau quantization to probe disorder in semiconductor heterostructures
Understanding scattering mechanisms in semiconductor heterostructures is crucial to reducing sources of disorder and ensuring high yield and uniformity in large spin qubit arrays. Disorder of the pare...
Performance enhancement of Love wave sensor via a cost-effective and robust dual-layered waveguide
Love wave sensors have attracted significant attention due to their high sensitivity and compatibility with liquid environments for biosensing applications. However, conventional waveguide designs fac...
High-performance MSM UV photodetector based on a NiO/InGaO type-II p–n heterojunction with mitigated PPC effect
Based on a strategically designed NiO/InGaO type-II p–n heterojunction (NIH) architecture, this work presents a high-performance metal–semiconductor–metal ultraviolet photodetector (UVPD). The top-lay...
Characterization of the 1st Mathieu stability regime in auto-ponderomotive Paul-trap-like electron guides
We demonstrate a detailed study of the 1st Mathieu stability region for an electrostatic auto-ponderomotive electron guide. Analog to a radio frequency-driven linear quadrupole mass filter, we find a...
Design and characterization of a cryogenic vacuum chamber for ion trapping experiments
We present the design and characterization of a cryogenic vacuum chamber incorporating mechanical isolation from vibrations, a high numerical-aperture in-vacuum imaging objective, in-vacuum magnetic s...
Pressure-controlled growth and mechanism of monolayer WSe2 via NaCl-assisted CVD
Precise control of monolayer WSe2 growth is critical for electronic and optoelectronic applications. Here, we systematically investigate the effect of growth pressure on chemical vapor deposition-synt...
Effect of metal ion coordination bond on the thermal conductivity of cellulose nanofibrils
To address the diversified thermal management requirements of flexible electronic devices, there is an urgent need to develop flexible materials that combine excellent mechanical properties with on-de...
Trade-off optimization of electrical performance and reliability in IGZO TFTs under light stress with Al2O3/ZrO2 bilayer dielectrics
We report a comparative analysis of instability in In–Ga–Zn–O (IGZO) thin-film transistors (TFTs) incorporating various high-ĸ gate dielectrics under light illumination. For high resolution, low power...
Valence band momentum imaging of NiTe2 by two-photon photoemission momentum microscopy
Two-photon photoemission (2PPE) spectroscopy on NiTe2 is performed by the combination of femtosecond ultraviolet laser pulses with time-of-flight photoelectron momentum microscopy. At the photon energ...
Identification and suppression of compressional Alfvén wave instability in magnetic-nozzle plasma thrusters
Plasma instabilities limit the efficiency of magnetic nozzle-based plasma thrusters, particularly in the low-power regime, which is critical for space missions with constrained power. We present a lin...
Impact of high-pressure annealing on characteristics of InGaAs/InAlAs metamorphic high-electron mobility transistors
High-pressure annealing (HPA) has emerged as a promising post-fabrication technique for enhancing carrier transport and reliability in semiconductor devices, yet its application to heterojunction-base...
Multiparametric sensing with the nitrogen-vacancy color center in diamond
Modern sensing applications increasingly require the simultaneous measurement of multiple physical parameters with high sensitivity. However, traditional sensors often suffer from cross-sensitivity to...
Robust quantum Hall resistance standard from uniform wafer-scale epitaxial graphene on SiC
We report high-precision resistance measurements on quantum Hall resistance devices fabricated from uniform epitaxial graphene grown by propane-hydrogen chemical vapor deposition on a two-inch silicon...
Spectral, temporal, and volumetric measurement of phase-selective laser-induced breakdown spectroscopy on TiC nanoparticles
Phase-selective laser-induced breakdown spectroscopy (PS-LIBS) is an emerging technique for in situ diagnostics of nanoparticle distribution in aerosols, potentially also distinguishing between partic...