Applied Physics Letters
Articles in this Issue
Electric field-tunable Luttinger compensated antiferromagnetism in CrCl2 double chains
Luttinger compensated antiferromagnets (LcAFMs), combining spin polarization with vanishing net magnetization, offer distinct advantages for next-generation spintronic applications. Using first-princi...
Improved RF power performance in GaN-on-SiC HEMTs through thermal design of the GaN buffer layer
This study investigates the thermal dissipation capability and electrical performance of GaN-on-SiC high electron mobility transistors (HEMTs) through the thermal design of the GaN epilayer. The Debye...
Versatile far- and near-field polarization generation using self-complementary metasurface
On-demand polarization generation enables a real-time reconfiguration of light that is crucial for many photonic applications, including high-capacity communications, multiplexing, imaging, and biosen...
Interlayer coupling and twist-induced modulation of heat transport in multilayer <i>β</i> -bismuthene
Two-dimensional (2D) β-bismuthene has emerged as a promising thermoelectric material owing to its distinctive electronic and thermal properties. Engineering phonon transport through structural paramet...
Dual-frequency and dual-polarization multiplexed terahertz biochemical sensor based on chiral metasurface
Metasurfaces offer a novel platform for terahertz spectroscopic detection of chiral biochemical substances. However, multichannel and high-sensitivity metasensors still require further development. Th...
Memristors from vertically aligned transition metal dichalcogenide films: Computational screening study
Vertically aligned MoS2 films have been used for the fabrication of electrochemical metallization (ECM) memristor devices. While many other transition metal dichalcogenides can be synthesized in the v...
Research on lattice cooperative relaxation modulated by orbital hybridization regulation in NBT–SBT-based ceramics
NBT–SBT ceramics are widely utilized in integrated circuits due to their excellent relaxor properties. In this work, a modified NBT–SBT-based ceramic with excellent dielectric properties was prepared...
High-dynamic-range vector magnetometry in solid-state systems
Nitrogen vacancy (NV) center magnetometers offer theoretical advantages such as high sensitivity, wide dynamic range, and vector capability; however, achieving all these performance metrics simultaneo...
Nanoscale YSZ/alumina multilayered thermal barrier coatings for dual control of thermal and ionic transport
Conventional yttria-stabilized zirconia (YSZ)–based thermal barrier coatings degrade in high-moisture environments generated by hydrogen-enriched fuel combustion, largely due to the high ionic conduct...
Isothermal tuning of exchange bias without field cooling in Fe3GeTe2/(Fe0.6Co0.4)5GeTe2 heterostructures
Exchange bias (EB) effect, emerging at the interface between ferromagnetic (FM) and antiferromagnetic (AFM) materials, plays a critical role in magnetic random-access memory by pinning the FM layer. T...
Direct nanoscale characterization of polarization-dependent diffusion in non-polar GaN via scanning diffusion microscopy
Non-polar GaN planes (e.g., a-plane and m-plane) present a promising path to mitigate the quantum-confined Stark effect inherent to polar orientations, thereby enhancing the efficiency of optoelectron...
The combined effects of viscoelasticity and shear-thinning on the flow characteristics of gel propellant in nozzle injectors
Gel propellants exhibit significant potential for aerospace propulsion systems due to their complex combined viscoelastic and shear-thinning properties, enabling mobility adjustments to suit diverse f...
Preferential formation of highly efficient Eu luminescent centers in Eu-doped GaN grown on semipolar (202¯1) GaN
Eu-doped GaN (GaN:Eu) exhibiting bright red emission is a promising material for the realization of ultrahigh-resolution micro-light-emitting diode (LED) displays that can be applied to virtual realit...
Detwinning deformation behaviors in Fe-Co-Ni-Al-Ti multi-component alloys
FeCoNi-based multi-component alloys have great potential for engineering applications due to their excellent mechanical properties. In this study, (FeCoNi)95(AlTi)5 and (FeCoNi)90(AlTi)10 alloys (name...
Achieving programmable bipolar photocurrents via <i>p</i> – <i>n</i> junction design for PEPS-based optoelectronic applications
The photoelectrochemical photocurrent switching (PEPS) effect, which enables a single photodetector to generate opposite photocurrent polarities under varied conditions, offers key insights into carri...
Enhancement of piezoelectric response based on oxygen vacancy migration behavior in (K, Na)NbO3 crystals
Piezoelectric properties of materials are strongly influenced by atomic-scale defects. Proper design and modulation of oxygen vacancy (VO⋅⋅) through external fields are crucial for the comprehensive o...
Robust helicity-dependent phononic switching of magnetization via polarization-modulated transient gratings
Optical control of magnetization has emerged as a promising approach to achieve ultrafast and energy-efficient magnetization reversal. Here, we investigate helicity-dependent switching of magnetizatio...
Field-validated underwater microcavity acoustic sensor
Whispering-gallery-mode resonators offer a promising route to broadband, high-sensitivity underwater acoustic detection. However, their frequency-dependent sensing mechanism is not yet fully understoo...
Leveraging acoustic and mechanical wave phenomena to fabricate Cu(2-x)CoxP2O7 as electrocatalysts for energy storage and electrochemical water splitting application
The development of renewable energy systems require the unification of efficient energy storage and hydrogen production facilities. Trifunctional electrocatalysts function as a single system which syn...
Bilayer oxide memristor based on IGZO/IAZO structure for artificial tactile perception system
Rapid advances in neuromorphic computing and intelligent perception demand electronic devices that faithfully replicate human nociception, which is crucial for achieving human–computer interaction. In...
Effects of interlayer electrons and high-order anharmonicity on phonon thermal transport of electride Sc2C
Electrides have attracted considerable research interest over the past four decades owing to their rich physical properties. However, their phonon thermal transport behavior, which is critical for the...
Flatband-enabled catalysis of alkaline hydrogen evolution on kagome CoSn
Flatband materials offer a unique platform for catalysis due to their intrinsically localized electronic states and high density of states near the Fermi level. Here, we investigate the kagome interme...
<i>In situ</i> XRD study of strain evolution in AlGaN/GaN HEMT at high temperatures up to 1000 °C
The thermal stability and structural evolution of a GaN high-electron mobility transistor (HEMT) heterostructure grown on a Si (111) substrate were investigated using in situ high-temperature x-ray di...
Nonlinear refractive index compensation enables accurate spectral shifting in varactor-driven plasmonic waveguides
Precise control of spectral shifting in time-varying media is essential for reconfigurable microwave-photonic systems. However, varactor-based waveguides inherently exhibit strong capacitance–voltage...
Tailoring high-quality germanium crystal via high magnetic field
High-quality germanium single crystals are vital for infrared and semiconductor applications but are plagued by melt convection during growth. This study demonstrates that applying a 10 T high magneti...