Applied Physics Letters
Articles in this Issue
Shift of quantum critical point of discrete time crystal on a noisy quantum simulator
Recent advances in quantum technology have enabled the simulation of quantum many-body systems on real quantum devices. However, such quantum simulators are inherently subject to decoherence, and thei...
Simultaneous enhancement in energy storage density and efficiency in (Sr,Ba)Nb2O6-based relaxor ferroelectric ceramics
The development of ceramic capacitors that deliver excellent recoverable energy density (Wrec) and high efficiency (η) has been attracting significant attention recently due to the growing need in ele...
Eutectic-vapor-driven low-temperature growth of high-crystallinity two-dimensional TMDCs
Two-dimensional (2D) transition-metal dichalcogenides (TMDCs) have emerged as promising semiconductors beyond the limits of conventional scaling. Yet, wafer-scale synthesis remains hindered by the per...
Shubnikov–de Haas oscillations and electronic features in the ferromagnetic semimetal EuAl2Ge2
Magnetic topological compounds offer an ideal platform for studying the complex interplay between intrinsic magnetism, symmetry breaking, and band topology. Herein, we grew EuAl2Ge2 single crystals an...
Engineering low-resistance Ni/In2O3 contacts for BEOL compatible integration
Reliable engineering of low-resistance metal semiconductor (M/S) contacts is critical for advancing indium oxide (In2O3) based semiconductor technologies. As device dimensions shrink to the micrometer...
A mechanism of defect creation in amorphous Ta2O5
Defect creation mechanisms in amorphous (a) Ta2O5 films employed in various microelectronics applications, e.g., resistive switching memories, are still poorly understood. To address this issue, we in...
Significantly enhanced infrared second harmonic generation in 1T-phase Janus PdXY (X, Y = S, Se, Te) monolayers
In this Letter, we construct a family of intrinsically noncentrosymmetric Janus PdXY (X, Y = S, Se, Te) monolayers and reveal their significantly enhanced second harmonic generation (SHG) responses ac...
Low-voltage multilevel van der Waals floating gate transistors enabled by ultrathin hafnia integration
The reliable integration of high-κ dielectrics within van der Waals (vdW) heterostructures is essential for achieving low-power, high-performance nonvolatile floating gate transistors (FGTs). Here, we...
Benzoic acid mediating ligand exchange of CsPbBr3 nanoplates for high performance blue perovskite LED
The performance of CsPbBr3-based blue perovskite light-emitting diodes (PeLEDs) is compromised due to the intrinsic properties of essential ligands, which hinder their application in full-color displa...
Multi-probe detection of domain nucleation across the metal–insulator transition in VO2
Electronic and structural degrees of freedom are often intimately coupled in strongly correlated systems, which result in intriguing macroscopic and microscopic phenomena. Using the well-studied mater...
Orbital-to-charge conversion via orbital pumping in Nb-based bilayers
The orbital pumping, serving as the orbital counterpart to spin pumping in the angular momentum transport, provides a robust and versatile mechanism for orbital current generation. However, the resear...
Space-charge-limited effect on the temperature-dependent performance of Fe-doped <i>β</i> -Ga2O3 x-ray detector
In this paper, a vertical x-ray detector was fabricated using high-resistivity Fe-doped beta-gallium oxide (β-Ga2O3) material, and the x-ray response current–voltage characteristics were measured over...
Advanced micropillar cavities: Room-temperature operation of microlasers
High-quality micropillar cavities were grown using molecular-beam epitaxy. Stable continuous-wave lasing at room temperature was demonstrated for microlasers with semiconductor and hybrid output mirro...
Nanoscale thermal effect induced <i>in situ</i> Cu-based memristor
Memristive devices are promising candidates for next-generation nonvolatile memory and neuromorphic computing. However, their large-scale integration is hindered by the complexity and cost of conventi...
Plasma processes for the creation of customizable bio-instructive surfaces and interfaces
The growth and study of living cells outside their native organisms forms the foundation of modern biology and underpin medicine. It has led to the identification of stem cells and the development of...
Epitaxial growth and magneto-transport properties of kagome metal FeGe thin films
Antiferromagnetic kagome metal FeGe has attracted tremendous attention in condensed matter physics due to the charge density wave (CDW) being well below its magnetic transition temperature. Up to now,...
Optical spectra prediction using three-body information
Obtaining accurate optical spectra is equally necessary for a fundamental physical understanding of semiconductors on the one hand and their technological and economic utilization on the other hand, a...
Integrated ferroelectricity and spin–orbit proximity in R-stacked bilayer WSe2/graphene heterostructures
Van der Waals heterostructures combining graphene with transition metal dichalcogenides (TMDs) provide a versatile platform for optoelectronic and spintronic devices [Georgiou et al., Nat. Nanotechnol...
Fast and sensitive visible–infrared detection using Bi2O2Se/WS2 heterostructure
Photodetectors play a vital role in optical imaging, communication, security monitoring, and environmental sensing. With the rapid advancement of artificial intelligence and autonomous driving, there...
Barrier-dependent positive-to-negative tunneling magnetoresistance in MnBi2Te4-based magnetic tunnel junctions
As an indispensable component in magnetic tunnel junction (MTJ) design, the selection and design of barrier materials have attracted extensive research attention. In this study, we construct a Cu/MnBi...
Probing magnetic properties of Pt/CrPS4 heterostructures via x-ray spectroscopy
Heterostructures composed of heavy metal and van der Waals (vdW) magnets serve as platforms to investigate magnetotransport properties, enabling the electric readout of the spin-flop transition in the...
Measuring high field gradients of cobalt nanomagnets in a spin-mechanical setup
Hybrid systems composed of a single nitrogen-vacancy center spin magnetically coupled to a macroscopic mechanical resonator constitute promising platforms for the realization of quantum information pr...
Synergetic impact of energy transfer and site preference for enhanced emission in Mn-doped Cs2AgInCl6 double perovskite
Strategic doping in halide double perovskites, with structure A2M(I)M′(III)X6, has shown great potential in improving their emission properties. While the site preference of monovalent or trivalent me...
Near-field coherent and focused free-electron radiation based on ordered structures with functional units
Smith–Purcell radiation (SPR) has emerged as a compelling platform for exploring light–matter interactions and realizing tunable free-electron light sources. As the demand for compact, high-performanc...
Conductance plateaus at quantum Hall integer filling factors in germanium quantum point contacts
Constricting transport through a one-dimensional quantum point contact in the quantum Hall regime enables gate-tunable selection of the edge modes propagating between voltage probe electrodes. Here, w...