Applied Physics Letters
Articles in this Issue
Quantum anomalous Hall effect in two-dimensional ferromagnetic Mn2XSe4 (X = Al, Ga, In)
As a topological phase with chiral edge states in the absence of a magnetic field, quantum anomalous Hall (QAH) insulators have become a booming topic in low-power-consumption electronic devices, and...
Scalable alloy-based sputtering of high-conductivity PdCoO2 for advanced interconnects
As integrated circuits continue to scale down, the search for alternative metals is becoming increasingly important due to the rising resistivity of traditional copper-based interconnects. A layered o...
Observation of quantized spin wave modes in nano-constriction spin Hall nano-oscillators
Standing spin waves are crucial for advancing high-frequency spintronic devices and have been investigated using excitation methods such as cavity-based approaches, antenna-based techniques, and optic...
Surface desorption properties of hydrogen-terminated diamond detected by micromechanical resonator
Diamond, with its ultra-wide bandgap energy, has emerged as an extreme semiconductor due to its extraordinary electronic and thermal properties. The hydrogen-terminated diamond surface has attracted e...
Wafer-scale fabrication of temperature-compensated alkali vapor cells
We demonstrate wafer-scale fabrication of temperature-compensated alkali vapor cells using a mixture of Ar and N2 buffer gases. The temperature coefficient of the fractional frequency shift of the hyp...
Resonant dynamics governed by interlayer frozen bubbles in h-BN/graphene heterostructures
The graphene–hexagonal boron nitride (h-BN) heterostructures represent a pivotal platform for the exploration of dynamic characteristics of nanoelectromechanical systems, unconventional quantum Hall e...
Turbulence-induced particle resonance before detachment from a flat surface
Particle resuspension is a common phenomenon in nature and industries but not fully understood yet. In this work, we report direct experimental evidence for turbulence-induced resonance of wall-adhere...
Steering high-order perfect vector beams in coherent laser arrays for suppressive crosstalk optical links
Coherent beam combining (CBC) has offered an unparalleled approach in achieving high-capacity and high-bandwidth free-space optical (FSO) communication due to its versatile integration functionality a...
Mitigating carrier loss in photoelectrochemical photocathodes: An approach combining optical computation and experimental validation
Metal oxide semiconductors hold significant promise for overcoming bottlenecks in optoelectronic devices, such as stability and power density limitations. However, their performance has been severely...
Joint first principles and experimental investigation on the improved performance of the Ta2O5 interface layer for an MoS2/WS2 channel
Transition metal dichalcogenides are attractive channel materials for an aggressive dimension scaling of double-gated field-effect transistors. Some challenges, however, remain nowadays, including fin...
MOCVD AlYN/GaN HEMTs with 66.5 mV/decade sub-threshold swing and 109 on/off ratio
We report the realization and operation of AlYN/GaN high-electron-mobility transistors (HEMTs). Metal-organic chemical vapor deposition is used to deposit AlYN/GaN semiconductor heterostructures on 10...
Determining two-dimensional electron densities in AlGaN/GaN high electron mobility transistors using photoluminescence excitation
GaN/AlGaN high electron mobility transistors (HEMTs) are important devices due to their high-frequency and high-power applications. The two-dimensional (2D) electron density in AlGaN/GaN heterostructu...
Semipolar (11 2¯ 2) AlN/AlGaN quasi-vertical Schottky barrier diodes grown on m-sapphire
In this work, we demonstrate the semipolar (11 2¯ 2) AlN/AlGaN Schottky barrier diodes (SBDs) on m-plane sapphire by metal organic chemical vapor deposition. Owing to the combination of high quality u...
Origin of magnetic switching cascades in nanostructured Co3Fe tetrapods
We present a comprehensive study of three-dimensional arrays of nanostructured Co3Fe tetrapods consisting of four pillars each with tetrahedral symmetry, prepared by focused electron beam-induced depo...
Editorial for the Special Topic: Advances in quantum metrology
Polarization-resolved terahertz metasurface sensor for concentration sensing and isomer recognition of chiral molecules
The paper presents a terahertz polarization sensing method based on a metasurface for concentration and isomer recognition of chiral molecules with high sensitivity. By designing a metasurface sensor...
Radiation enhancement in shear horizontal surface acoustic wave driven magnetoelectric antenna
Magnetoelectric (ME) antennas driven by shear horizontal surface acoustic waves (SH-SAWs) exhibit significant potential for miniaturized high-frequency systems owing to their structural simplicity and...
Brookite-phase vanadium (IV) oxide formation for semiconductor-to-metal transition free bolometric membrane via atomic layer deposition technique
In this study, we investigated the formation of brookite-phase vanadium (IV) oxide (VO2) thin films, focusing on their potential application in bolometric membranes without semiconductor-to-metal tran...
Acoustically coupled reflectors for multiplexed wavefront engineering
Acoustic standing wave fields, with stable pressure nodes and antinodes, are valuable in biology, medicine, chemistry, and engineering due to their noninvasive nature. While standing waves from high-i...
Generating large complete momentum gaps in temporally modulated dispersive media
This study investigates the generation of a large complete momentum gap (k-gap) in the Lorentzian media with a plasma frequency varying periodically in time. By using the energy expression for the Lor...
N-polar gallium nitride doping by atomic layer deposition for improved electrical performance
Atomic layer deposition (ALD) is an excellent growth technique to achieve high-quality, high-uniformity, and highly conformal films with precise growth control at low (<400 °C) substrate temper...
Giant tunneling magnetoresistance effect of van der Waals magnetic tunnel junction Fe3GaTe2/InSe/Fe3GaTe2
Van der Waals (vdW) magnetic tunnel junctions (MTJs), with a two-dimensional (2D) material barrier between two vdW ferromagnetic electrodes, present unprecedented opportunities to design innovative sp...
First-principles computational analysis of the electronic and charge transport anisotropy of NbO<i>X</i>2 (<i>X</i> <b>=</b> Cl, Br, I) nanoribbons and nanosheets
The use of NbOX2 oxyhalide (X = Cl, Br, I) nanoribbons and nanosheets in next-generation nanoelectronic devices remains unfulfilled because the impact of the fundamental electronic properties of these...
Low-power optoelectronic synaptic devices with ZnMgO in deep-ultraviolet encryption computation
The realization of vision-based neuromorphic computing relies significantly on advancements in optoelectronic synaptic chip technology. Currently, the development of optoelectronic devices is mainly l...
Computationally designing a dual-aspheric compound lens toward multi-depth endomicroscopy imaging
This study presents a computational approach for designing a compound lens system by pairing two infinity-corrected aspheric lenses with matching ray-mapping conditions to enable three-dimensional ima...