Applied Physics Letters
Articles in this Issue
Broadband very long wavelength infrared focal plane array based on phosphorus-doped silicon blocked impurity band
Very long wavelength infrared (VLWIR, 14–30 μm) detection is crucial for observing low-temperature objects, such as those in infrared astronomy and Earth remote sensing, where focal plane arrays (FPAs...
Interface phonon coupling-boosted photo-thermoelectric response in a SrTiO3/PbSe heterostructure
Thermoelectric semiconductors hold significant scientific and technological value, with extensive applications in thermoelectric power generation, infrared detection, and heat management. The thermal...
Enhanced physical and chemical binding of MXene/CNT composite and Ni catalytic conversion to boost the performance of Li–S battery
A unique three-dimensional (3D) porous MXene/CNTs-Ni composite was fabricated as host material for the cathode of lithium–sulfur battery. One-dimensional carbon nanotubes (CNTs) were interspersed with...
Using dielectric spectroscopy as a diagnostic test to differentiate benign and malignant serous effusions
Centrifuged serous effusions obtained from the peritoneal and pleural cavities of different patients were characterized by dielectric spectroscopy at radio frequency. Results showed that benign serous...
Enhanced terahertz emission by efficient spin-to-charge conversion in (Bi1−xSbx)2Te3 based heterostructures
The enhanced terahertz (THz) emission in the spintronics based emitter is of extreme significance for the realization of THz probing and imaging. The THz emitter based on three-dimensional topological...
Packaged cryogenic photon pair source using an effective packaging methodology for cryogenic integrated optics
A cryogenic packaging methodology that is widely applicable to packaging any integrated photonics circuit for operation at both room temperature and cryogenic temperature is reported. The method requi...
Deep learning-based molecular dynamics simulation reconfiguration of efficient heat energy transport of Gra/h-BN heterointerface
We investigate the reconfiguration scheme of efficient heat energy transport of the Gra/h-BN heterointerface by a hybrid enhanced machine learning method combining an integrated iterative method, auto...
Quantum and dielectric confinement on phosphorus donors in silicon nano-transistors for high-temperature single-electron tunneling
The intrinsically low tunnel barriers of conventional phosphorus-donors in bulk silicon preclude the observation of single-electron tunneling at practical temperatures. However, scaling devices to the...
Terahertz multi-foci metalens with polarization-dependent/independent focal points and reconfigurable imaging
Benefiting from the unprecedented capacity in manipulating wavefront of light waves, metalens can realize unusual functions that are very difficult or impossible to achieve with conventional lenses. H...
Improving light extraction efficiency by <i>p</i>-orbital tuning in multifaceted AlGaN multiple quantum wells
In this work, a multifaceted AlGaN multiple quantum well (MQW) structure with a record-breaking quasi-internal quantum efficiency of 93.9% was achieved. Carrier localization was achieved by engineerin...
Boosting the stability of indoor perovskite solar cells by the rational selection of electron transport layers
This study investigates a series of electron transport materials (ETMs) in wide-bandgap perovskite solar cells with the Cs0.17FA0.83Pb(I0.6Br0.4)3 photoactive layer. Power conversion efficiencies of u...
Retina-inspired spike processing for neuromorphic color recognition
Conventional machine vision systems are hindered by constrained adaptability, particularly in dynamic and unpredictable environments. Herein, we present a neuromorphic color recognition system inspire...
Integration of bright color centers into arrays of silicon carbide nanopillars
Silicon carbide (SiC) is a wide-bandgap semiconductor combining mature fabrication processes with the ability to host optically active point defects, called color centers, making it ideal for quantum...
Probing remote nuclear magnetic moments in hBN with VB− electron spin
Since the initial discovery of optically addressable spins of the negatively charged boron vacancy defect (VB−) in hexagonal boron nitride (hBN), substantial progress has been made, enabling promising...
Magnonic memory and logic devices: From proposal to device
Magnonics is an emerging field of modern magnetism that aims to benefit spin waves (magnons) for information transport and processing. There are many interesting proposals describing the possible path...
Au-Cu2O Janus plasmonic catalysts on NiCoS heteroelectrodes achieve 16-fold enhanced OER activity
We designed an Au-Cu2O Janus plasmonic heterostructure coupled with NiCoS nanosheets for oxygen evolution reaction (OER). The anisotropic Au-Cu2O interface enables directed charge transfer, yielding a...
AlN-based unipolar memristors with symmetrical Al electrodes: Preparation, characterization, and test
Ultra-wide-bandgap semiconductor aluminum nitride (AlN) has demonstrated many excellent characteristics and is a promising candidate for advanced memristor dielectrics. Numerous stacked structures hav...
High-performance near-field radiative thermal logic computing
Comparable to electric circuits, thermal systems can be conceptualized as thermal circuits, where heat transfer serves as the information carrier. This study introduces a near-field radiative thermal...
Generation of a single-cycle surface acoustic wave pulse on LiNbO3 for application to thin-film materials
Surface acoustic wave (SAW) technology has been explored in thin-film materials to discover fundamental phenomena and to investigate their physical properties. It is used to excite and manipulate quas...
Revealing the nature of frequency-dependent breakdown characteristics for typical polymer insulating films
Polymer dielectrics are critical for the reliable operation of electrical equipment under high field strength and high frequency. The degradation of breakdown performance at high-frequency AC fields h...
Ethanol phase transition: A pivotal factor in pressure-responsive fluorescence modulation of carbon dots
Fluorescent carbon dots (CDs) have garnered considerable attention owing to their distinctive chemical structure and tunable luminescence. Although numerous studies have established the pressure-tunab...
Magnetic modulations in (La,Sr)MnO3 heterostructures via interfacial oxygen vacancy engineering
The control of interfacial oxygen vacancy provides additional functional tunability to correlated oxide heterostructures. Here, we studied the role of amorphous capping layers, such as LaAlO3 and LaMn...
Intrinsic magnetic properties and domain structure of ThMn12-type (Sm, Zr)(Fe, Co, M)12 (M <b>=</b> Ti, Mo) compounds
The structure, intrinsic magnetic properties, and domain structure of Sm0.7Zr0.3(Fe0.75Co0.25)11.5M0.5 (M = Ti, Mo) compounds were systematically investigated using neutron diffraction, magnetic measu...
Depth profile of trap concentration induced by heavy ion irradiation in 4H-SiC Schottky barrier diode
Displacement damage in silicon carbide (SiC) power devices induced by heavy ions severely limited their application in aerospace engineering, and the investigation of defect distribution in devices ha...
High-order harmonic generation and nonlinear chirality based on accidental bound states in the continuum
Dielectric metasurfaces supporting bound states in the continuum (BICs) exhibit exceptional capabilities for capturing optical fields and are thus widely utilized to enhance light–matter interactions...