Applied Physics Letters
Articles in this Issue
Uncovering the modest hole mobility for the intrinsic single crystal CsPbBr3 by variable-temperature time of flight measurement
CsPbBr3 single crystal is a promising candidate for room temperature radiation detector. However, the experimental mobilities reported exhibit considerable discrepancy, ranging widely from 10 to 4500 ...
Biomimetic spider web sensor designed with memristive oscillators for location-resolved disturbance detection
This article introduces a memristor-coupled oscillatory network utilizing niobium dioxide (NbO2) memristors and a biomimetic spider web structure. It focuses on the dynamic behaviors of single oscilla...
Determination of donor- and acceptor-like interface trap density using photoresponsive GIDL in vertically stacked Si-NW GAA FETs
This work reports an effective technique that is proposed for the simultaneous extraction of the energy distribution of donor- and acceptor-like interface trap states [Dit,D(E) and Dit,A(E)] over a wi...
Thermal-mechanical perspectives on hydrophilic- and surface-activated-bonding Si/SiC interfaces for SOI's thermal management enhancement
Integrating high thermal conductivity cost-effective SiC to the Si-active-layer film is an effective solution to enhance the thermal performance of silicon-on-insulator (SOI) and maintain its distinct...
Bouncing–pinning criterion for a drop impacting on a superhydrophobic surface
Drop impact on non-wetting surfaces has garnered significant interest due to its potential applications in water repellency, drag reduction, self-cleaning, and anti-icing. However, there are instances...
High-pressure polyhedral interaction in CsSnI3
In recent years, metal halide perovskites have attracted great interest in various applications because of their excellent properties. Here, we find pressure-induced transformations of edge-sharing Sn...
Spin-orbit torque switching in Co/Ni multilayers with strong domain wall pinning
Spin–orbit torque (SOT) switching is a promising candidate mechanism to be applied in the spintronic devices. Here, we report the SOT switching in the [Co/Ni] × n multilayers with maze domain structur...
No real advantage of photon subtraction and displacement in continuous variable measurement device independent quantum key distribution
We critically analyze the role of single photon subtraction (SPS) and displacement in improving the performance of continuous variable measurement device independent quantum key distribution (CV-MDI-Q...
Enhanced photoresponse and polarization-sensitive photodetector coupling InGaN/GaN MQW heterojunction with Ag nanoparticles
InGaN-based pin-type visible light photodetectors (PDs), exhibiting enormous advantages of fast photoresponse speed and low noise, have drawn tremendous interest in visible light communication (VLC) a...
Decoding the effect of defect and domain on piezoelectric properties of K0.5Na0.5NbO3-based single crystals
The ultra-high piezoelectric activity of K0.5Na0.5NbO3 (KNN)-based single crystals with excellent electromechanical coupling characteristics has attracted great interest. However, the growth of KNN-ba...
Strain-driven anomalous thickness dependence of interfacial thermal conductance between dissimilar metals
Understanding thermal transport behaviors across dissimilar metal films is essential for optimizing electronic devices' performance and efficiency. However, the effect of interfacial parameters such a...
Design of low-activation refractory high-entropy alloys with improved plasticity
Low-activation refractory high-entropy alloys (LARHEAs) as structural materials have a great demand in nuclear reactors. However, currently developed LARHEAs generally have poor room temperature ducti...
Competing polar phases in 2D ferroelectric transition metal thio- and selenophosphates
The aim of this Perspective is to provide an in-depth discussion of a certain class of 2D ferroelectrics that feature a van der Waals gap where more than one polar phase can exist energetically close...
Polarization-dependent spin wave channels in antiferromagnetic magnonic crystals
We theoretically study the spin wave (SW) band structures in antiferromagnetic magnonic crystals formed by applying periodically modulated magnetic fields. We find that when the magnetic field is symm...
On-chip compact radio frequency metal self-rolled-up nanomembrane resonator
The miniaturization of the on-chip radio frequency (RF) resonators is critical for the development of the next-generation compact mobile equipment. The commonly used RF inductor–capacitor (L-C) resona...
Ultra-broadband terahertz polarization converter based on flexible metamaterial
Polarization is one of the basic properties of electromagnetic (EM) waves, and polarization conversion is essential in many terahertz (THz) applications, including communications and sensitive measure...
Secondary electron emission characteristics of 3D-printed ceramic insulators with functionally graded lattice structures
The presence of a macroscopic interface between ceramic insulators and vacuum inevitably leads to multipactor under high electric fields, which is a significant threat to various electronic and electr...
Study on the difference in formation mechanism and demagnetization process between core–shell and reverse core–shell structures of sintered Nd-Fe-B magnets diffused with Tb
During the grain boundary diffusion (GBD) of Tb, the core–shell and reverse core–shell structures are the two main microstructures influencing the magnetic properties of the sintered Nd-Fe-B magnets....
Enhanced Curie temperature in atomically thin perpendicular magnetic anisotropic oxide film through interfacial engineering
The inverse spinel oxide NiCo2O4, known for its high Curie temperature, low resistivity, and perpendicular magnetic anisotropy, is a promising candidate for the development of next-generation spintron...
Black phosphorene-enhanced Raman spectroscopy for sensitive detection of DNA nucleotides
In this study, we propose black phosphorene (BP) for surface-enhanced Raman spectroscopy of DNA nucleotides. BP-enhanced Raman spectroscopy provides superior enhancement compared to other 2D materials...
Microdisk HgCdTe lasers operating at 22–25 μm under optical pumping
Lasing from HgCdTe microdisk cavities is demonstrated at wavelengths as long as 20–25 μm. The optical threshold and operation temperature are mainly limited by nonradiative Shockley–Read–Hall type rec...
Ultra-long-range Bessel beams via leaky waves with mitigated open stopband
Open stopband (OSB) mitigation techniques are commonly used to improve the far-field radiating properties of leaky-wave antennas based on periodic structures. Recently, leaky waves have been proposed...
Electric control of oxygen vacancies in homo-ferroelectric-domain BiFeO3
Although the performance of BiFeO3 (BFO) films has been extensively and deeply studied, further exploration is still needed to understand the correlation between a ferroelectric single domain and high...
Enhancing the circular photogalvanic effect in double Weyl semimetals via symmetry breaking
Weyl semimetals have emerged as a hot topic in condensed matter physics in last decade. Beyond their intriguing electrical transport phenomena, such as the negative magnetoresistance driven by the chi...
Probing near-field heating effects on monolayer MoS2 photoluminescence via tip-enhanced Raman spectroscopy
The photoluminescence (PL) intensity of monolayer MoS2 is limited by weak optical absorption due to its atomic scale thickness. To enhance PL intensity, field enhancement techniques, such as surface p...