Applied Physics Letters
Articles in this Issue
Non-contact characterization of material hardness by deep learning-assisted electromagnetic acoustic resonance method
This study introduces a cutting-edge approach for achieving precise non-contact characterization of material hardness by integrating electromagnetic acoustic resonance (EMAR) with a one-dimensional co...
C3N/BN heterostructure: A promising anode material in lithium-ion batteries
In the in-depth study of anode materials for lithium-ion batteries, C3N has become the focus of attention due to its high stiffness and good electrical conductivity. However, its limited lithium mobil...
Large-scale ab initio molecular dynamics for assessing stabilities of near-surface NV centers
Near-surface nitrogen vacancy (NV) centers are promising candidate materials for quantum sensors, but their properties have not been examined as thoroughly compared to their bulk counterparts. To shed...
Spatially resolved investigation of magnetization fluctuations in magnetic thin films
Combining wide-field magneto-optical Kerr microscopy with a time series analysis scheme allows for investigating magnetization fluctuations with high spatial and temporal resolution. We use this techn...
Two-dimensional intrinsic ferromagnetic TiXY3 (X = Al, Ga; Y = S, Se, Te) monolayers with high Curie temperature from first principles
The development of spintronic devices has been limited by the scarcity of intrinsic two-dimensional ferromagnetic materials. In this study, we predict a series of intrinsic ferromagnetic TiXY3 (X = Al...
Material gain and two-state lasing in quantum well-dot lasers
We report on modal and material gains as well as two-state lasing in lasers based on quantum well-dots (QWDs)–quantum heterostructures of mixed dimensionality (0D/2D). A high ground-state (GS) modal g...
Even-in-magnetic field part of transverse resistivity as a probe of magnetic transitions
The component of the resistivity tensor ρij corresponding to voltage transverse to both an applied current and a magnetic field can be separated into odd and even parts with respect to the applied mag...
A grain boundary embrittlement genome for substitutional cubic alloys
Grain boundary chemistry plays a critical role for the properties of metals and alloys, yet there is a lack of consistent datasets for alloy design and development. With the advent of artificial intel...
Self-sustaining step-flow growth: Preset nano-terraces as diffusion rails for Si-doped AlN by low-temperature MOCVD
Low-temperature doping presents a promising approach to address the challenge of conductivity control in aluminum nitride (AlN), a candidate for next-generation optoelectronics and electronics. Howeve...
High-sensitivity GaN UV photodetector integrated with graphene
Ultraviolet (UV) photodetectors are critical for a wide range of applications, where high sensitivity and low dark current are essential for accurate detection. This study presents a graphene-based p-...
Synthesis of high-aspect ratio Fe3O4 nanostructures via magnetic field guidance: Toward enhanced microwave absorption performance
One-dimensional materials have extensive applications in the field of functional materials, but the preparation of one-dimensional materials with large aspect ratio remains a challenge. Herein, we dem...
Spin-dependent plasmons excitation in Fe layer on W(110) and their decay via electron emission
Secondary electron emission spectra excited by spin-polarized electrons from a 5 ML Fe film on W(110) substrate were measured at the specular reflection geometry with the incident angle of 72° and var...
Near room-temperature high Chern-number quantum anomalous Hall effect in ferromagnet NiSbO3
The quantum anomalous Hall effect (QAHE), which exhibits dissipationless chiral edge states without external magnetic fields, has garnered considerable attention in condensed matter physics. Here, we...
Mechanical characterization of a membrane with an on-chip loss shield in a cryogenic environment
The quantum transduction of an rf/microwave signal to the optical domain, and vice versa, paves the way for technologies that exploit the advantages of each domain to perform quantum operations. Since...
Vertical p-GaN/n-Ga2O3 heterojunction diodes enabled by PAMBE
Vertical diodes are produced via the nitridation of (-201) β-Ga2O3 and subsequent GaN epitaxy via PAMBE. For undoped films, the mosaic block model parameters are extracted via XRD and used to calculat...
Tuning of charge state and wavelength in InAs/GaAs quantum dots through p-i-p<b>+</b>-i-n heterostructure engineering
We present a p-i-p+-i-n AlAs/GaAs heterostructure device that enables independent tuning of quantum dot (QD) charge states and emission wavelength, addressing a key challenge in quantum light source i...
Large-range tuning and stabilization of the optical transition of diamond tin-vacancy centers by <i>in situ</i> strain control
The negatively charged tin-vacancy (SnV−) center in diamond has emerged as a promising platform for quantum computing and quantum networks. To connect SnV− qubits in large networks, in situ tuning and...
Interplay of ferroelectric polarization and defect engineering in semiconductor heterostructures for photovoltaic synaptic functionality
Emerging optoelectronic synaptic devices based on two-dimensional (2D) materials are extremely attractive in the field of artificial intelligence. However, in most reports, these devices either have s...
Achievement of zero thermal expansion in Mn1-<i>x</i>Co<i>x</i>B alloys via weakening magnetoelastic coupling
Zero thermal expansion (ZTE) alloys show great potential for high-precision instruments due to their thermal stability and metallic properties. In this study, we revisit the ferromagnetic MnB alloy, w...
4D imaging of frost heave and ice lens growth in silt using neutron and x-ray computed tomography
Frost heave is the common phenomenon in cold climates of soil being elevated by freezing. Frost heave is caused by ice lenses forming in a spatially repeated pattern downward into the ground, driven b...
Shape control of few-layer 1T′-WTe2 flakes via space-restricted chemical vapor deposition
Transition metal dichalcogenides, particularly WTe2, have attracted significant attention due to their unique electronic properties, such as the quantum spin Hall effect, which makes them promising fo...
Effective carrier management in perovskite solar cells via ferroelectric polarization
Carrier management is a critical factor influencing the photovoltaic performance of perovskite solar cells (PSCs). The incorporation of ferroelectric materials into PSCs enhances both carrier manageme...
Doping-driven robust superconductivity in tungsten for single-photon detection
Elemental superconductors are widely applied in quantum electronic devices, providing a homogenous research platform for both fundamental science and revolutionary technologies. However, their applica...
Electronic interaction and emission characteristics of perovskite/organic hybrid films
Understanding the interaction between perovskites and organic molecules is crucial for optimizing hybrid materials in advanced optoelectronic applications, such as light-emitting diodes (LEDs) and pho...
Anatomy of internal electric field profile in operating SiC power MOSFETs with local contact potential probing
A comprehensive understanding of local contact potential profiles and carrier transport mechanisms in SiC MOSFETs is crucial for optimizing device design and performance. We report the evolution of lo...