Applied Physics Letters
Articles in this Issue
Two-photon excited spin excitonic properties in two-dimensional chiral perovskite films
Two-dimensional (2D) chiral perovskites exhibit strong circular dichroism and two-photon absorption (TPA). A comprehensive understanding of the two-photon excited spin excitonic properties in 2D chira...
Reduced graphene oxide prepared by microwave thermal reduction for performance improvement of AgNW/ATO-based flexible perovskite solar cells
Carbon-based hole transport layer-free flexible perovskite solar cells are cheap and easy to fabricate but have relatively low efficiency. Recently, graphene-related nanomaterials, including graphene...
Large magnetocaloric effect in triangular antiferromagnet ErPd2Sb
Adiabatic demagnetization refrigeration (ADR) has been considered as an main method for achieving temperature below 1 K. Due to the absence of long-range magnetic ordering at extremely low temperature...
Formation of Ni Schottky contact and quasi-vertical Schottky barrier diode on SnO2 thin film
In the past, forming a Schottky contact on SnO2 with metal has been a significant challenge due to the surface electron accumulation layer on the SnO2 surface. In this study, we report a steady and re...
Enhanced polarization locking in VCSELs
While optical injection locking (OIL) of vertical-cavity surface-emitting lasers (VCSELs) has been widely studied in the past, the polarization dynamics of OIL have received far less attention. Recent...
Crystallization regulation and defect suppression of CsPbI2Br perovskite using a dual-functional additive
Inorganic CsPbI2Br perovskite solar cells have attracted widespread attention due to their outstanding performance and photo-thermal stability. However, the rapid crystallization of the solution-proce...
Theoretical characterization of NV-like defects in 4H-SiC using ADAQ with SCAN and r2SCAN meta-GGA functionals
Kohn–Sham density functional theory is widely used for screening color centers in semiconductors. While the Perdew–Burke–Ernzerhof (PBE) generalized gradient approximation functional is efficient, its...
Zeeman-effect-induced luminescence suppression in Er3+-doped GdF3 nanoparticles under dual-wavelength excitation
Magnetic field-modulated luminescence in lanthanide-doped nanomaterials offers crucial insights for advancing magneto-optical technologies, yet the fundamental mechanisms governing luminescence are st...
Record performance in intrinsic, impurity-free lateral diamond photoconductive semiconductor switches
Photoconductive semiconductor switches (PCSSs) are fabricated on type IIa diamond substrates with varying boron and nitrogen impurity levels (<1014–1016 cm−3). The photoresponse of lateral PCSS...
Enhancement-mode GaN/AlGaN p-channel field effect transistors with <i>I</i>D <b>&gt;</b> 110 mA/mm achieved through source/drain tunnel junction contacts
In this Letter, we present enhancement-mode (E-mode) GaN/AlGaN p-channel metal-oxide-semiconductor field effect transistors (MOSFETs) with excellent performance by introduction of polarization induced...
Optical fractional topological spatial differentiation
Optical spatial differentiations hold the capability of ultrahigh speed and low power consumption, providing an efficient solution for edge detection, feature extraction, and pattern recognition. Howe...
Observation of strain-modulated topological insulator and semimetal states in monolayer 1T′-MoTe2
Two-dimensional topological insulators have attracted considerable attention due to their topological edge states (ESs), which originate from the nontrivial topology of the insulating bulk states. Mon...
Double-pulsed-induced medium-range order in Sn-doped Ga2O3 thin films: A strategy for enhanced record-breaking electrical properties
This study explores Sn-doped Ga2O3 thin films synthesized via the double-pulse metalorganic chemical vapor deposition (MOCVD) method, highlighting its unique advantages in improving film microstructur...
Characteristics of transport properties in ultra-wide bandgap Al0.65Ga0.35N channel HEMTs with low contact resistance and high breakdown voltage (&gt;2.5 kV)
Ultra-wide bandgap (UWBG) Al0.65Ga0.35N channel high electron mobility transistors (HEMTs) were deposited using a close-coupled showerhead metal-organic chemical vapor deposition reactor on AlN-on-sap...
Kerr electro-optic properties of rare-earth doped Pb(Mg1/3Nb2/3)O3-PbTiO3 crystals
Pb(Mg1∕3Nb2∕3)O3-PbTiO3 (PMN-PT) crystals exhibit significant potential for applications in the electro-optical (EO) field, owing to their low half-wave voltage and high electro-optic coefficients, ea...
Thermal magnetoresistance from magnon scattering from a domain wall in an antiferromagnetic insulator
We theoretically investigate magnon heat transport in an antiferromagnetic (AFM) insulator containing a domain wall (DW) in the presence of a magnetic field applied along the easy axis. We show that t...
Effect of ALD temperature on the polarization switching dynamics of BEOL-compatible Hf0.5Zr0.5O2 ferroelectric film
HfO2-based ferroelectric materials offer a promising alternative for next-generation memory technology. Atomic layer deposition (ALD) temperature can significantly influence the physical and chemical...
The three dimensional model of extended defects in β-Ga2O3 homoepitaxial film
In this paper, a three dimensional (3D) model was built to elucidate the formation mechanism of the dislocation line, the surface morphology evolution with changing of the cutting angle, and the shape...
Excellent magnetostrictive properties via tuning the crystal structure and grain size
Magnetostrictive materials are of significant interest due to their potential applications in sensors, actuators, and energy converters. For magnetostrictive materials, different preparation processes...
Quasi-<i>in situ</i> redeposition-enabled stabilization of NiFe-based (oxy)hydroxides under high OER current density
NiFe-based (oxy)hydroxides are promising oxygen evolution reaction (OER) catalysts but suffer from severe Fe dissolution under operational conditions, rapidly resulting in a significant drop in activi...
Superconducting microwave oscillators as detectors for ESR spectroscopy
Microwave superconducting resonators are extensively studied in fields such as quantum computing and electron spin resonance (ESR) spectroscopy. However, the integration of superconducting resonators...
Impact of photo-irradiation on the optical and spin properties of chiral CdS quantum dot films
Chiral quantum dots (QDs) are expected to play a significant role in chiral molecular recognition, spin-selective filtering for charge transport, and various other fields. Photo-irradiation can enhanc...