Applied Physics Letters
Articles in this Issue
Competing magnetic states in quasi-one-dimensional hexagonal ferromagnetic Nd1−xLaxCrGe3 crystals
Because of their unique crystal structure and peculiar physical properties, RECrGe3 (RE = La, Ce, Pr, Nd, and Sm) have attracted considerable research attention. Different to most of RECrGe3 crystals,...
Room temperature low-loss etchless alumina ridge waveguides fabricated by pulsed laser deposition and lift-off
Alumina is a remarkable material for integrated photonics thanks to its broad transparency window spanning from ultraviolet to infrared, its low propagation losses, and its high solubility for rare-ea...
Development of millimeter-thick hexagonal boron nitride wafers and fast neutron detectors
We report the attainment of millimeter-thick neutron detectors fabricated from quasi-bulk hexagonal boron nitride (h-BN) produced by halide vapor phase epitaxy (HVPE). Detection efficiencies of 0.7% a...
Experimental realization of topological photonic quasicrystals with the eightfold rotational symmetry
The topological states in aperiodic systems have attracted extensive attention, which exhibit unique characteristics beyond the periodic structures. Photonic quasicrystals, exhibiting unlimited rotati...
Integration of top-side low-temperature diamond on AlGaN/GaN RF HEMT for device-level cooling
Self-heating and related degradation in performance and reliability are serious concerns in realizing higher output power density in microwave power amplifiers. We demonstrated the integration of poly...
All-optical helicity-dependent switching in NiCo2O4 thin films
All-optical switching (AOS) involves manipulating magnetization using only a pulsed laser, presenting a promising approach for next-generation magnetic recording devices. NiCo2O4 (NCO) thin films, a r...
LTC polarization-converted metamaterial based on hybrid EIT-like effect of bright-bright and bright-dark coupled modes
This paper proposes a high-efficiency linear to circular (LTC) polarization conversion metamaterial based on a multi-mode electromagnetically induced transparency-like (EIT-like) effect in the microwa...
Unveiling and eliminating the parasitic hole loss in AlGaN-based deep-ultraviolet light-emitting diodes
The parasitic hole loss during injection is experimentally unveiled in AlGaN-based deep-ultraviolet light-emitting diodes (DUV-LEDs), which is attributed to electron accumulation at the interface of a...
Nonlinear opto-magnetic response of magnetic nanoparticles: Opto-magnetic particle spectroscopy
Opto-magnetic response of magnetic nanoparticles (MNPs) has been investigated as a means for rapid and sensitive biomolecule detection. However, current studies primarily focus on the linear opto-magn...
Artificial synapses based on CIPS/Te vdW heterojunction ferroelectric transistor for traffic light recognition
Neuromorphic computing is a key technology for simulating brain function and plays a crucial role in the next-generation computing, offering a potential solution to the challenges posed by the von Neu...
Interfacial thermal transport suppression by hydrogen insertion in an epitaxial Al/Si heterostructure
Engineering of interfacial thermal transport is crucial for efficient heat-to-electricity conversion and cooling of electronic devices. Here, we achieve remarkably high interfacial thermal conductance...
Assessing electric-field engineering of filamentary-type conduction in Cu/HfO2/Pt memristive devices using the quantum point-contact model
We explored the role of electric-field engineering in controlling filamentary-type conduction in Cu/HfO2/Pt memristive devices, utilizing the quantum point-contact (QPC) model for analysis. In a previ...
Silicon-based van der Waals heteroepitaxy of PbSe with room-temperature sensitive mid-infrared response
Silicon integration of non-silicon semiconductors is always challenging due to the serious lattice and thermal expansion mismatch. In this study, we design a silicon-based van der Waals heteroepitaxy...
High-speed tunable generation of random number distributions using actuated perpendicular magnetic tunnel junctions
Perpendicular magnetic tunnel junctions (pMTJs) actuated by nanosecond pulses are emerging as promising devices for true random number generation (TRNG) due to their intrinsic stochastic behavior and...
Transparent multifunctional memristor based on amorphous InAlZnO for biomimetic sensing system
Recent advances in artificial intelligence have heightened interest in biomimetic sensory systems that can replicate biological neural processes, particularly learning, memory formation, and cognitive...
Background-free microwave-induced thermoacoustic imaging by magnetic field modulation
Microwave-induced thermoacoustic (TA) imaging is a potential noninvasive method for high resolution detection of deep tissues. However, background signals from non-target areas can limit imaging contr...
Observation of conflicting Seebeck coefficient and Hall coefficient in Sb-doped MnBi4Te7 crystals
In the past decades, great efforts have been devoted to designing and developing high-efficiency thermoelectric (TE) materials due to the increasing demands in the fields of power generation, cooling,...
A TEM study of MOCVD-grown rutile GeO2 films
Ultrawide bandgap semiconductors are promising for the next-generation power electronics, largely attributed to their substantial bandgap and exceptional breakdown electric field. Rutile GeO2 (r-GeO2)...
A logic metastructure for register function implementation
A coherent perfect absorption-based logic metastructure (LM) capable of register functionality is presented in the work. The unique one-dimensional layered architecture enables dual electromagnetic wa...