Applied Physics Letters
Articles in this Issue
Efficient scheme for generating a <i>W</i>-type optical entangled cat state
W-type optical entangled cat states play a crucial role in quantum information processing, quantum communication, and quantum technology. In this Letter, we propose an efficient protocol for preparing...
Sub-terahertz AlN/GaN resonant tunneling diode oscillators using split-ring resonators integrated with bow-tie antennas
We developed sub-terahertz oscillators employing GaN-based resonant tunneling diodes (RTDs) grown on semi-insulating c-plane GaN substrates using metal-organic chemical vapor deposition. The RTDs inco...
Comparing the performance of direct and parametric drives for piezoelectric MEMS actuators
This work investigates and compares the response of piezoelectrically actuated nonlinear microelectromechanical devices (MEMS) to direct and to degenerate parametric drives. We describe the regime of...
Cubic ReSTe as a high-performance thermoelectric material
We report thermoelectric properties of sintered samples of undoped, W-doped, and Sb-doped ReSTe crystallized in a cubic MoSBr-type structure. All samples exhibited p-type thermoelectric properties. Re...
High-performance nonvolatile spin FETs from 2D metallic ferromagnetic and ferroelectric multiferroic heterostructure
All-electric-controlled nonvolatile spin field-effect transistors (SFETs) based on 2D multiferroic van der Waals heterostructures hold significant promise for spintronics. However, their performance i...
Nanoscopic structural and emission properties of red InGaN hybrid single quantum wells
Using atomic force microscopy (AFM) and scanning near-field optical microscopy (SNOM)-photoluminescence (PL) spectroscopy (SNOM-PL), we study the nanoscopic structural and emission properties of a red...
Modulation of interlayer coupling in bilayer MoS2 through Li+ intercalation
The interlayer coupling of layered two-dimensional (2D) materials plays a crucial role in their physical properties. As an additional degree of freedom of 2D materials, the modulation of interlayer di...
Doping optimization of charge state stability for shallow nitrogen-vacancy center ensembles in HPHT diamonds
Since nitrogen-vacancy (NV) centers in diamond have emerged as crucial quantum sensors in physics and biology, the massive preparation of high-quality and high-concentration shallow NV center samples...
A non-invasive dry-transfer method for fabricating mesoscopic devices on sensitive materials
Many materials with novel or exotic properties are highly sensitive to environmental factors such as air, solvents, and heat, which complicate device fabrication and limit their potential applications...
High-performance Love-mode phononic crystal resonators on LiNbO3/SiC achieving an FoM of 352
This Letter reports a high-performance Love-mode phononic crystal resonator (PnCR) on a LiNbO3/SiC substrate, realized by substituting conventional Bragg reflectors with phononic crystals (PnCs). This...
Acoustic multi-mode interference in glide-reflection symmetric interfaces
This study presents a glide-reflection (GR) symmetrical phononic crystal (PC), and the mismatch of the Wannier center between two PCs leads to the emergence of edge states. By stacking multiple GR sym...
A high speed response Nafion-based non-volatile RF switch
Radio frequency (RF) switches are pivotal components in modern wireless communication systems, playing a crucial role in 5 G, Internet of Things (IoT), and satellite communications. Non-volatile devic...
Efficiency cliff in scaling InGaN light-emitting diodes down to submicron
The top-down submicron fabrication of blue-emitting light-emitting diodes on Qromis Substrate Technology substrates is reported. Light-emitting diodes with mesa sizes as small as 250 × 250 nm2 show id...
Sb2S3 Mie-resonant dielectric metasurfaces for tunable near infrared filtering
The field of metasurface optics is well-suited to leverage advanced materials due to their unique ability to tailor light–matter interactions at the sub-wavelength scale, providing a high degree of dy...
Magneto-optical trap with a hollow grating and an additional retroreflected laser beam
A magneto-optical trap of cesium atoms was generated by applying a circularly polarized cooling laser beam onto a reflective two-dimensional diffraction grating with an aperture and by retroreflecting...
Nanoionics driven reconfigurable heterojunctions for advanced information devices
Emerging fields such as autonomous driving, smart manufacturing, and artificial intelligence impose greater demands on electronic information devices in terms of versatility, power consumption, and in...
The in-plane anisotropy of topological semimetal Nb3SiTe6 investigated by angle-resolved polarized Raman spectroscopy
The in-plane anisotropy of the layered topological semimetal Nb3SiTe6, owing to its unique lattice structure and nontrivial electronic states, may play an important role in low-power, multifunctional...
Evidence of orbital Hall current-induced correlation in second-harmonic response of longitudinal and transverse voltage in light metal–ferromagnet bilayers
We investigate the effect of orbital current arising from orbital Hall effect in thin films of light metals of Nb and Ti in Ohmic contact with ferromagnetic Ni in the second-harmonic longitudinal and...
Gradient light field for directional capturing and positioning microparticle in optoelectronic tweezers
This study presents a gradient-light field in optoelectronic tweezers to achieve locating microparticles at a stable equilibrium position. By designing a light pattern with intensity gradients, a spat...
Carrier-doping and biaxial strain driven enhancement of magnetic anisotropy in AgVP2Se6 monolayer
Synthesized AgVP2Se6, an intrinsic ferromagnetic semiconductor with van der Waals layered structure, has opened possibilities for investigating two-dimensional magnetism and spintronic device applicat...
Epitaxial strain reconfiguration of AlGaN multiple heterojunctions for high-responsivity high-speed UV detection
Achieving simple and efficient strain engineering remains a persistent challenge in AlGaN-based material and device research, thereby substantially hampering the realization of the inherent material a...
Highly efficient photoelectron emission from stable low-work-function surfaces using organic bases
Photocathodes coated with alkali metals such as cesium (Cs) exhibit high quantum efficiency (QE) owing to their low work functions (WFs). However, their poor stability and short lifetimes under vacuum...
Chiral quasi-bound states in the continuum via Brillouin zone folding
Chiral quasi-bound states in the continuum (q-BICs) provide a way to investigate light–matter interactions. Currently, the chiral response is fundamentally constrained by the rapid decay of quality (Q...
Transport of magnetically sensitive atoms in a magnetic environment
Among interesting applications of cold atoms, quantum simulations attract a lot of attention. In this context, rare-earth ultracold atoms are particularly appealing for such simulators due to their nu...
Spin-orbital entropy driven enhanced thermopower in Bi doped La0.95Sr0.05CoO3 strongly correlated perovskite
In this work, we have measured the thermopower and resistivity of polycrystalline pure and Bi doped La0.95Sr0.05CoO3 in the temperature of 303–753 K. The Bi doped sample shows an increased electrical...