Applied Physics Letters
Articles in this Issue
Magnetic levitation at low rotation frequencies using an on-axis magnetic field
The Ucar effect is a simple yet astonishing phenomenon where a permanent magnet can be levitated by placing it in the vicinity of another permanent magnet that rotates sufficiently fast. The few previ...
Enhancement of long-term memory of IGZO synaptic transistors by the introduction of an Al2O3 charge trapping layer
Brain-inspired neuromorphic computing has been widely considered a promising solution to overcome the limitations of traditional von Neumann architecture in the current computer system. As an essentia...
Anomalous Hall transport in Mn3Sn0.5X0.5C (X = Ge and Zn)
Mn-based antiperovskites that exhibit topological surface states show potential applications in spintronics, magnetoelectronics, and quantum devices owing to the interplay of magnetism and topological...
Patch antenna enhanced charge-sensitive infrared phototransistors
Charge-sensitive infrared phototransistors (CSIP) constitute an outstanding technology for mid-infrared detection with sensitivities demonstrated at the single photon level. Here, we report on the per...
Phase selection and texturing in molybdenum oxide films grown by reactive magnetron sputtering
Molybdenum oxide films offer a rich variety of properties for diverse applications, but exclusive synthesis of desired phases is a major challenge. Here, we demonstrate that oxygen flow ratio fO2 = [O...
Effects of defects in graphene on molecular beam epitaxy of CdTe on graphene/Ge
Perfect graphene substrates can improve the quality of films grown by large-mismatch heteroepitaxy and simultaneously enable the transfer of epitaxial layers. However, large-area chemical vapor deposi...
Optical encoding and multiplexing based regional single-pixel imaging via TD-SCDMA
Different from traditional imaging methods that rely on plane array detectors, single-pixel imaging (SPI) utilizes a single detector without spatial resolution to acquire images. However, achieving hi...
Observation of the thermally excited electromagnetic evanescent field on ultrathin metallic films
This study explored thermally excited electromagnetic evanescent fields on gold ultrathin metallic films (UTMFs) using a passive scattering-type scanning near-field optical microscope in the long-wave...
Polarization-driven reversible magnetic anisotropy switching and half-metal to semiconductor transition in intrinsic multiferroic ScCrCO2 monolayer
The precise manipulation of perpendicular magnetic anisotropy is a critical requirement for advancing spintronic device technologies. In this Letter, we propose a design strategy for intrinsic two-dim...
Spin-correlated optical transitions in room-temperature ferromagnetic Fe3GaTe2
Fe3GaTe2 has been recently identified as a potential van der Waals (vdW) ferromagnetic material for spintronic devices, owing to long-range ferromagnetic order, strong perpendicular magnetic anisotrop...
Distinct nucleation and growth kinetics of BaTiO3 on Ge (001) by RF magnetron sputtering
The integration of metal oxide films with conventional semiconductors like silicon (Si) and germanium (Ge) enables the introduction of functionalities in semiconductor devices. This work experimentall...
Experimental verification of inverse orbital Hall effect using CoFeB/Cr/heavy metal structures
Spin current, the flow of spin angular momentum, is fundamental to spintronics and spin-based energy conversion. However, its limited propagation length and low generation efficiency hinder further te...
Significant elastocaloric effect over a wide temperature range in a polycrystalline (Ni51Fe18Ga27Co4)99.7B0.3 alloy
The effect of microstructure on stress-induced martensitic transformation and elastocaloric properties was investigated in as-cast and aged at 873 K for 1 h samples of polycrystalline (Ni51Fe18Ga27Co4...
Magnetic phase diagram of Cr2Te3 revisited by ac magnetostrictive coefficient
Two-dimensional (2D) magnetic materials have attracted considerable interest owing to their potential applications in spintronics and fundamental investigations into low-dimensional magnetism. Cr2Te3,...
Fabrication and study of H2O-incorporated zinc-phosphate films interfaced with organic dye and their photo-detection characteristics
This study explores the hydrothermal growth of zinc-phosphate-hydrate (ZPH) films and their application in dye-based photovoltaic sensors. ZPH films grown on electrically conductive ITO substrates exh...
Large exchange bias field in Pt/Co bilayers with ultrathin native oxide
We studied the magnetic properties of a Pt/Co bilayer sample with an ultrathin cobalt layer deposited as a wedge with a thickness between 0.7 and 1.4 nm. After exposure to air, the top 0.5 nm of Co ox...
Nonequilibrium-controlled charge-carrier transitions in SnSe single crystals
Single-crystal tin selenide (SnSe) is a promising thermoelectric material with the current record figure of merit at 923 K. To improve the thermoelectric performance of SnSe at ambient conditions, man...
Planar shock-induced bubble collapse and jetting in water captured via x-ray phase contrast imaging
Shock wave–bubble interactions in water manifest rich dynamics driven by a combination of strong pressure and density mismatches. They have a wide variety of applications, including the injection of p...
Optical refrigeration of Tm3+ doped indium fluoride glass from room temperature
Optical refrigeration has significant promise for vibration-free cryogenic cooling and radiation-balanced fiber lasers. In this paper, we report theoretical and experimental investigations of optical...
Molecular electrodes enable faster switching in ferroelectric thin films
The presence of unscreened polarization at the surface of ferroelectric thin films can impair their functional response. One recently proposed way to improve screening is by using “molecular electrode...
Tunable coherent microwave beam splitter and combiner at the single-photon level
A beam splitter is a key component used to direct and combine light paths in various optical and microwave systems. It plays a crucial role in devices like interferometers, such as the Mach–Zehnder an...
High-frequency spin transport in thin aluminum calculated by spin drift-diffusion equation
Lateral spin valves (LSV) are an essential element in spintronics research and applications. The separation of spin injection and spin detection in the LSV makes it a useful platform for studying fund...
Field- and frequency-tunable magnon–phonon resonances in arrays of ferromagnetic nanostripes
The coupling of lattice and magnetization dynamics is a topic of growing interest, with significant implications for novel solid-state technologies. In this work, we investigate arrays of ferromagneti...
Van der Waals epitaxy of (Bi1−<i>x</i>In<i>x</i>)2Te3 solid solutions with a broad operating temperature range for thin-film thermoelectrics
This work examines the growth, electronic transport properties, and thermoelectric performance of metastable (Bi1−xInx)2Te3 films that have a layered structure on mica substrates. Under non-thermodyna...
Noninvasive in vivo imaging of brain specific absorption rate using thermoacoustic tomography
Electromagnetic field-based diagnostic and therapeutic techniques are gradually becoming widespread in brain disease applications, but their associated safety assessment techniques still have limitati...