Applied Physics Letters
Articles in this Issue
Flexible tuning of asymmetric near-field radiative thermal transistor by utilizing distinct phase-change materials
Phase-change materials (PCMs) play a pivotal role in the development of advanced thermal devices due to their reversible phase transitions, which drastically modify their thermal and optical propertie...
Optoelectronic properties and application of <i>p</i>-type ultrawide bandgap Zn0.7Ni0.3O1+δ thin films in p–n heterojunction diodes
p-type ultrawide bandgap oxide semiconductors play a crucial role in developing optoelectronic and electronic devices. Our previous studies have identified rock salt-structured Zn1−xNixO (∼0.27 ≤ x ≤ ...
Packaged GaN HEMT biosensor and handheld system for brain injury detection
In this Letter, an extended pad packaged GaN HEMT-based biosensing system has been reported for the detection of US Food and Drug Administration-approved ubiquitin-C-terminal-hydrolase-L1 and glial fi...
Impacts of growth oxygen pressure and laser fluence on microwave tunings of Ba0.8Sr0.2TiO3 thin films
The impacts of growth oxygen pressure and laser energy in the pulsed laser deposition on the structural, chemical, and electrical properties of Ba0.8Sr0.2TiO3 ferroelectric thin films were investigate...
Inductor-shunted matching circuits for enhanced frequency multiplexibility in RF single electron transistors in silicon
Frequency-multiplexed radio-frequency (RF) reflectometry is a promising technique for large-scale quantum dot-based qubit systems because it enables simultaneous readout of multiple qubits and helps t...
Probing the spin dynamics of quasi-2D magnets Cu(1,3-bdc) using a superconducting resonator
Quantum magnonics presents significant potential for advancing quantum sensors through magnon–photon coupling. In this research, we experimentally and theoretically study the microwave-mediated cohere...
Linewidth narrowing and enhanced sensing in non-Hermitian circuit systems via anti-PT symmetry
Precision detection and weak signal amplification are vital for applications in quantum sensing, optics, acoustics, and electronics, where narrow linewidths and high sensitivity are crucial. Tradition...
Improvement of interface quality through low-temperature annealing in <b> <i>β</i> </b>-Ga2O3 diode with compounded mesa and junction termination extension
The ultra-wide bandgap semiconductor β-Ga2O3 has facilitated the development of Schottky barrier diodes with high breakdown voltage and low power losses. Designing effective termination structures is...
AFM cantilever magnetometry for measuring Femto-Nm torques generated by single magnetic particles for cell actuation
Particles with high anisotropy in their magnetic properties and shape are of increasing interest for mechanobiology, where transducing a remotely applied magnetic field vector to a local mechanical re...
Chiral anomaly in doped <b> <i>α</i> </b>-Sn films by Fermi level tuning
Gray tin (α-Sn) is an elemental topological material with various topological phases. It is predicted to be a 3D Dirac semimetal when appropriate strain is applied. However, the Dirac semi-metallic pr...
Gate-controllable 213 nm photo-responsivity in GeO2/SiO2/p-Si three-terminal solar-blind photodetectors
Recently, the GeO2 thin film has attracted intense attention due to its ultrawide optical bandgap energy (&gt;4 eV), endowing it with quite a promising application for solar-blind photodetectors (...
Achieving ultrahigh piezoelectric coefficient and good temperature stability in (K,Na)NbO3-based laminated ceramic composites
The (K,Na)NbO3-based ceramics are a promising type of lead-free piezoelectric material, but simultaneously achieving an ultrahigh piezoelectric coefficient d33 and good temperature stability in them i...
Ultra-narrowband dielectric metasurfaces for surface-enhanced infrared absorption
Quasi-bound states in the continuum (QBICs) in the mid-infrared region have been widely explored to enhance light–matter interactions for biochemical sensing. However, their steep dispersion bands oft...
Spin-to-charge conversion at KTaO3(111) interfaces
Rashba spin–orbit coupling locks the spin with the momentum of charge carriers at the broken inversion interfaces, which could generate a large spin galvanic response. Here, we demonstrate spin-to-cha...
High-performance, broadband, and self-driven photodetector based on MoTe2 homojunction with asymmetrical contact interfaces
The van der Waals junction of two-dimensional materials has the characteristics of weak interlayer interaction and strong light–mass interaction. The internal electric field formed at the interface of...
Mo-doped Ni/NiO supported on oxygen-deficient NiMoO4 with carbon derived from tannic acid for hydrogen evolution and hydrogen oxidation
The widespread deployment of anion exchange membrane unitized reversible fuel cells is contingent upon the development of stable and efficient non-precious metal electrocatalysts for the hydrogen oxid...
A design of magnetic tunnel junctions for the deployment of neuromorphic hardware for edge computing
The electrically readable complex dynamics of robust and scalable magnetic tunnel junctions (MTJs) offer promising opportunities for advancing neuromorphic computing. In this work, we present an MTJ d...
Laser-based FinFET hot-carrier degradation resolved in time-domain
Hot-carrier degradation in contemporary FinFET transistors by means of ultrafast infrared laser pulses enable the study of the evolution of excited states leading to device degradation. Here, we prese...