Applied Physics Letters
Articles in this Issue
Investigation and modeling of subthreshold turn-on voltage in bulk and FDSOI MOSFETs at cryogenic temperatures
Conventional physics-based MOSFET models miss the sharp subthreshold turn-on “knee” in the logarithmic dependence of the Id on the Vgs that emerges in MOSFETs at cryogenic temperatures. This oversight...
Ferroelectric tunnel junction based on ultrathin Zr0.75Hf0.25O2
Ferroelectric tunnel junction (FTJ) based on hafnia/zirconia-based thin films has emerged as a promising class of nonvolatile memory, owing to their fast switching speeds, low power consumption, and f...
Rewritable multilevel optical storage based on valence state conversion induced by phase-shaped femtosecond laser in rare earth-doped nanocrystals
Optical storage based on femtosecond laser-induced valence state conversion (VC) in solid materials has garnered significant interest due to its excellent readability and high signal-to-noise ratio. P...
Interface-driven phonon scattering and carrier dynamics in asymmetric GeS/GeSe van der Waals heterostructure
Two-dimensional (2D) van der Waals (vdW) heterostructures, featured by the unique inverted asymmetric architectures, open new avenues for finely tuning electronic properties at the atomic scale. The s...
Improving electrical properties of metal–semiconductor contact on Al-rich n-AlGaN by multi-step annealing
N-type Ohmic contact on Al-rich AlGaN has garnered special attention, thanks to its crucial impact on the performance of deep ultraviolet devices, which are experiencing a surge in demand. However, th...
Single-channel-readout amplitude-encoded superconducting single-photon detector array
Photonic integrated circuits serve as essential platforms in quantum science, particularly in quantum communication and quantum computing, where linear high-performance single-photon detector arrays a...
Solid phase epitaxy of rutile-type GeO2 on TiO2 (001)
Rutile-type GeO2 (r-GeO2) is an ultra-wide bandgap oxide semiconductor, which attracts growing interest because of its ambipolar dopability and high carrier mobility predicted by recent first-principl...
Crystal structure, chemical bonding, and mechanical properties of EuMg2Bi2
EuMg2Bi2, a magnetic topological semimetal, has garnered significant interest for its potential in spintronics, quantum computing, magnetoelectric devices, and thermoelectric energy conversion. Howeve...
MoRe superconducting nanowire single-photon detector atop of lithium niobate on insulator
We demonstrate an amorphous molybdenum–rhenium (MoRe) film on a thin-film lithium niobate substrate as an efficient superconducting nanowire single-photon detector (SNSPD) operating at T = 2.5 K. MoRe...
Promising photovoltaic performance in ternary chalcogenides ASbS2 (A=Na, K): Atomistic insights from <i>ab initio</i> calculations
Ternary chalcogenides (TCGs) are drawing significant attention as a promising light absorber for thin-film solar cells but their material properties are not yet well understood. Here, we report a stud...
Dynamic change in light-regulated hardness in SrTiO3
We report our discovery of the dynamic change in light-regulated hardness in an SrTiO3 single crystal. Vickers hardness and atomic force microscope measurements reveal that the hardness is surprisingl...
Constructing multi-interface heterostructures of NiFe-LDH/CeO2/C for enhanced OER performance
Interface engineering of transition metal layered double hydroxides (LDHs) is an effective method in the development of promising catalysts for enhancing their electrochemical activity toward the oxyg...
Polarity-dependent discharge evolution in bubbled water under repetitive pulsed fields: From bubble-mediated initiation to polarity-controlled breakdown
Liquid discharge under pulse voltage has been applied in many fields, but mechanisms governing repetitive-pulse breakdown in bubble-containing media remain incompletely understood. This study investig...
Direct observation of the strong thermal non-equilibrium between optical and acoustic phonons in monolayered 2D materials
Quantifying thermal non-equilibrium between different phonon branches in supported monolayered two-dimensional materials remains a significant challenge due to complex substrate interactions and optic...
Investigation of the γ-irradiation-induced degradation mechanism of p-channel p-GaN/u-GaN/AlGaN MESFETs
In this letter, a Schottky-gated p-GaN/u-GaN/AlGaN p-channel metal–semiconductor field-effect transistor on a SiC substrate with high irradiation tolerance is demonstrated, and the irradiation-induced...
Band offset between cubic boron nitride and nitrogen-plasma terminated boron-doped diamond (111)
Diamond electronics has attracted attention for high power and high frequency device applications. Cubic boron nitride (c-BN) may be considered as a suitable dielectric layer for electron channel diam...
Thermal boundary conductance under large temperature discontinuities of ultrathin Pb(111) films on Si(111)
Heat transfer is a critical aspect of modern electronics, and a deeper understanding of the underlying physics is essential for building faster, smaller, and more powerful devices with improved perfor...
Strain-tuned magnetic resonance in in-plane magnetized synthetic antiferromagnets
We investigate the effect of strain on the magnetic resonance characteristics of in-plane magnetized synthetic antiferromagnets (SAFs) through micromagnetic simulations and theoretical modeling. By ap...
Dual-MZI sensitivity-enhanced U-shaped microfiber Vernier probe for inflammatory biomarker SAA detection
A sensitivity-enhanced dual Mach–Zehnder interferometer (MZI) fiber-optic biosensing platform for highly sensitive immunoassay detection of the inflammatory biomarker serum amyloid A (SAA) is presente...
Superconducting nanowire single photon detectors based on NbRe nitride ultrathin films
The influence of the reactive DC sputtering parameters on the superconducting properties of NbReN ultrathin films was investigated. A detailed study of the current–voltage characteristics of the plasm...
Manipulating skyrmionic polar nanodomains and creating designable conducting channels in ferroelectric thin films
Polar skyrmion nanodomains in ferroelectric materials, analogous to those in ferromagnetic systems, have attracted significant attention because of the polar states and their potential application in...
Colloidal nanocrystal assembly enables composition and doping engineering for high-performance PbS-based thermoelectrics
Lead sulfide (PbS) is a promising thermoelectric material due to its low cost, excellent thermal stability, and abundance of constituent elements. As a narrow-bandgap semiconductor, PbS possesses high...
Micro-transfer printing of antimonide III–V photovoltaics
We demonstrate micro-transfer printing of AlGaAsSb membranes and GaSb-based photovoltaic devices using a lattice-matched design and a citric-acid-based chemistry. Using near-IR microscopy, we quantify...
The more, the better: Al1− <i>x</i> (Mg,Hf)xN wurtzite ferroelectrics through co-alloying
Wurtzite ferroelectrics (FEs) are promising candidates for next-generation memory and computing devices due to their compatibility with semiconductor processing. However, their adoption is limited by...
Defect engineering via BiMnO3 doping in AgNbO3: Achieving high energy storage density under moderate electric fields
In this work, relaxor antiferroelectric (1−x) AgNbO3−xBiMnO3 ceramics were synthesized by solid-state processing. The analysis of electron paramagnetic resonance and x-ray photoelectron spectroscopy c...