Applied Physics Letters
Articles in this Issue
High-frequency magnetic properties of modified Cu–Ni 18H ferrites with low magnetic loss up to 6 GHz for 5G communications
Rapidly developing fifth-generation (5G) communications urgently require a ferrite material with high permeability and low magnetic loss in frequency bands up to 6 GHz. However, none of the present ma...
Retainable large magnetoelectric coupling in BiFeO3@CoFe2O4 core-shell nanoparticle embedded P(VDF-TrFE) matrix
Flexible magnetoelectric composite devices have exceptional features and potential in peculiar scenes. However, maintaining the magnetoelectric response under extreme bending conditions remains a chal...
Realizing sub-6-nm-channel high-performance spin field-effect transistors in lateral Sc2CHO/Sc2CHF/Sc2CHO heterojunctions
In this work, nanoscale spin field-effect transistors (spin-FETs) based on lateral heterojunctions composed of two-dimensional (2D) ferromagnetic half-metallic Sc2CHO electrodes and nonmagnetic semico...
Rapid preparation of high-performance Mg2Sn thermoelectric materials and their unique role in metal-air batteries
Magnesium-air batteries hold potential applications due to their high energy density and environmental friendliness. However, the formation of passivation films and the suboptimal standard electrode p...
High-yield growth of high-quality cubic BAs single crystals using the Bridgman method
The increasing complexity of semiconductor devices fabricated from wide-bandgap and ultra-wide-bandgap materials demand advanced thermal management solutions to mitigate heat buildup, a major cause of...
A high-<i>T</i> <i>c</i> superconducting diode with large current carrying capacity
Superconducting diodes enable lossless current flow in one direction and could serve in a variety of applications similar to their semiconductor counterparts, such as current rectification, temperatur...
Magnonic Fabry–Pérot resonators as programmable phase shifters
We explore the use of magnonic Fabry–Pérot resonators as programmable phase shifters for spin-wave computing. The resonator, composed of an yttrium iron garnet film coupled with a CoFeB nanostripe, op...
Temperature-dependent random telegraph signal in Co/CoO/Co point contact devices
Nanoscale Co/CoO/Co point contact devices are promising for spintronics, magnetic sensors, single-electron transistors, and memory devices. We fabricated Co/CoO/Co point contact devices and studied th...
Strong coupling of excitons in a two-dimensional atomic crystal with quasi-bound state in the continuum supported by a single nanoparticle
Bound states in the continuum (BICs) supported by high-index dielectric nanoparticles have garnered significant attention due to their ability to achieve subwavelength confinement with high-quality fa...
Tailoring transverse magneto-optical Kerr effect enhancement in Mie-resonant nanowire-based metasurfaces
Tailoring of the transverse magneto-optical Kerr effect (TMOKE) in hybrid metasurfaces comprising rectangular silicon nanowires coupled with a nickel substrate is demonstrated. The excitation of Mie m...
Effects of the RF bias power of ICP etching on the electrical properties of n-type Ohmic contact on high-Al-fraction AlGaN
The effects of the radio frequency (RF) bias power of inductively coupled plasma etching on the electrical properties of n-type Ohmic contact have been investigated. By reducing the RF bias power, a h...
Modulation of nonlinearity and asymmetry in a spin–orbit torque driven artificial synapse
Unconventional computing schemes inspired by biological neural networks are being explored with ever growing interest to eventually replace traditional von Neumann architecture-based computation. Real...
Large positive VFB shift achieved by a band alignment modulated with insertion of Ga2O3 dipole layer
In this Letter, a Ga2O3 dipole layer deposited at the SiO2/HfO2 interface by in situ atomic layer deposition (ALD) has been demonstrated to be a great positive dipole. Through the in situ ALD of 10–30...
Valley polarization in two-dimensional zero-net-magnetization magnets
Valleytronics in two-dimensional (2D) zero-net-magnetization magnets exhibits ultradense and ultrafast potential due to their intrinsic advantages of zero stray field and terahertz dynamics. The zero-...
Tunable sliding ferroelectricity in two-dimensional van der Waals RuX2 (X = Cl, Br, and I) multiferroic layers
Two-dimensional (2D) van der Waals (vdW) materials offer vast potential for designing ferroelectrics with desired properties through simple layer stacking. Here, based on first principles, we demonstr...
Band engineering for large perpendicular magnetocrystalline anisotropy and low magnetic Gilbert damping constant by anion substitution at Fe/MgO interface
Large interfacial perpendicular magnetocrystalline anisotropy (iPMA) and low Gilbert magnetic damping constant (α) in magnetic tunnel junctions (MTJs) are desired to achieve higher storage density and...
Efficient quantum frequency conversion of ultra-violet single photons from a trapped ytterbium ion
Ion trap system is a leading candidate for quantum information science benefitting from its long coherence time, high-fidelity gate operations. In addition, the ion photon entanglement provides a vers...
Optical absorption stacking modulation in atypical multilayer graphene
With graphene layers increasing, the interlayer charge transfers would generate an out-of-plane electric dipole moment, which is directly related to the optical absorption according to the Fermi Golde...
Growth of nitrogen-doped (010) <i>β</i>-Ga2O3 by plasma-assisted molecular beam epitaxy using an O2/N2 gas mixture
In this study, we report on the intentional nitrogen doping of plasma-assisted MBE (PAMBE)-grown (010) β-Ga2O3 films by generating the growth plasma with an O2 and N2 gas mixture. A nitrogen doping ra...
Aberration measurement by electron ptychography and consistency among different algorithms
Control over and knowledge of the electron probe is important in all scanning transmission electron microscopy (STEM) techniques. This is emphasized especially in electron ptychography, where the accu...
High-frequency/high-field electron paramagnetic resonance generalized spectroscopic ellipsometry characterization of Cr3<b>+</b> in <b> <i>β</i> </b>-Ga2O3
Electron paramagnetic resonance of Cr3+ ions in β-Ga2O3 is investigated using terahertz spectroscopic ellipsometry under magnetic field sweeping, a technique that enables the polarization resolving ca...
Elegant high-order harmonic vortices generation
High-order harmonic generation is a cornerstone of attosecond science, with applications spanning from spectroscopy to the creation of ultrashort light pulses with temporal duration falling in the att...
A site-selection multi-element co-doping strategy in three-layered bismuth-based layered perovskite-like structure ferroelectrics leads to large energy storage capability
Improving the energy storage density of dielectric capacitors, which are widely used in power electronic devices, is a continuous challenge. In this work, a site-selection multi-element co-doping stra...
Ultrafast 0D/1D ZnO/CuO photodetector in nanosecond scale by engineering the type-II heterostructure
Zero-dimensional/one-dimensional (0D/1D) heterojunctions have excellent potential in the field of optoelectronic devices due to the synergy effect of different dimensions. Most reported 0D/1D heteroju...
Multi-band nonreciprocal thermal radiation based on Weyl semimetals with epsilon-near-zero multilayers
Although various nonreciprocal thermal emitters have been suggested to break the balance between absorption and emission, few structures can achieve strong nonreciprocity in more than three bands. To...