Applied Physics Letters
Articles in this Issue
Tunable multiferroic properties of bilayer ScI2 via stacking engineering
Two-dimensional (2D) bilayer ScI2 demonstrates tunable multiferroic properties, including magnetic coupling, ferroelectricity, and valley polarization, controlled through interlayer sliding and rotati...
Contrasting properties of free carriers in <i>n</i> - and <i>p</i> -type Sb2Se3
We report persistent photoconductivity in p-type Sb2Se3 single crystals doped with Cd or Zn, where enhanced conductivity remains for hours after illumination ceases at temperatures below ∼25 K. Compar...
Elemental asymmetries of spin and electron dynamics in an insulating ferrimagnet
NiFe2O4 has gained significant attention from the scientific community due to its potential applications in microwave integrated devices, magnetoelectric coupling heterostructures, and spintronic devi...
Broad-angle nonreciprocal thermal radiation with reversible sign selection in planar Weyl semimetal structure
We propose a broad-angle nonreciprocal thermal emitter composed of ZnSe/Weyl semimetal (WSM)/AlN/Ge/ZnSe stacked on a metallic substrate. By harnessing the intrinsic time-reversal symmetry breaking in...
High- <i>Q</i> membrane resonators using ultra-high-stress crystalline TiN films
High-quality-factor (Q) mechanical resonators are essential components for precise sensing and control of mechanical motion at a quantum level. While amorphous materials such as SiN have been widely u...
Plasmon-enhanced Sb2Te3/FTO heterojunction optoelectronic synapses for image compression encoding and high-accuracy recognition
Broadband, energy-efficient optoelectronic synaptic devices are essential for neuromorphic computing systems and embodied intelligent perception. Here, we present a plasmon-enhanced optoelectronic syn...
Over 50% carrier injection efficiency in AlGaN-based UV-B laser diodes enabled by combining Al-content-drop design and low-temperature epitaxy
We demonstrate a significant improvement in carrier injection efficiency (ηi) in AlGaN-based UV-B laser diodes (LDs) through a combined approach of the Al-content-drop design and low-temperature epita...
Domain wall depinning from a single notch in a synthetic ferrimagnetic nanoribbon
Ferrimagnetic (FiM) materials have been receiving substantial attention in recent years for advanced spintronic applications, and their wall pinning/depinning exhibits fascinating but more complex beh...
Magnon-magnon coupling efficiency of η = 0.25 in weakly pinned synthetic antiferromagnets
Synthetic antiferromagnets consist of two ferromagnetic layers that are antiferromagnetically coupled. These systems support complex dynamical magnetic excitations, where interlayer coupling gives ris...
Nonvolatile bidirectional photoresponse in a fully CMOS-compatible FeFET for in-sensor computing
While bipolar phototransistors show promise for in-sensor computing, their incompatibility with standard complementary metal–oxide–semiconductor (CMOS) technology has hindered practical integration. I...
Oxygen plasma-engineered ZnF2 with built-in electric field enables rapid Zn2 <b>+</b> transport for robust Zn metal batteries
Aqueous zinc metal batteries are an attractive candidate for next-generation energy storage, yet their application is still impeded by uncontrollable zinc dendrite growth, anode corrosion, and parasit...
Chiral phonons and giant magneto-optical Raman effect in chiral antiferromagnetic CoNb3S6
Chiral phonons can reverse the helicity of incident light due to their nonzero pseudo-angular momenta. In this work, we investigated chiral phonon properties in an antiferromagnetic chiral CoNb3S6 usi...
Comment on “Color astrophotography with a 100 mm-diameter f/2 polymer flat lens” [Appl. Phys. Lett. <b>126</b> , 051701 (2025)]
Ionic liquid tailoring defect/interface-induced recombination loss toward enhanced Dion–Jacobson perovskite lasing
Quasi-two-dimensional (2D) Dion–Jacobson (DJ) perovskites demonstrate remarkable photophysical properties and exhibit tremendous potential in amplified spontaneous emission (ASE) and lasing. However,...
Tunable polaronic transport and thermal conductivity in K <b>+</b> doped 0D metal halide perovskite Cs3Bi2I9
In this study, we explore the polaronic charge transport dynamics in zero-dimensional Cs3Bi2I9 perovskites, emphasizing the systematic transition from overlapping large polaron tunneling to non-overla...
Enhanced ionic conductivity in Mg-doped NASICON under high temperature and high pressure
Mg-doped Na Super Ionic Conductor (NASICON), a promising solid electrolyte material, has attracted extensive attention from the scientific research community due to its relatively high ionic conductiv...
Spin-wave propagation at low temperatures in YIG thin films on YSGG substrates
The use of spin waves in magnetic thin films at cryogenic temperatures has long been hindered by the lack of a suitable material platform. Yttrium iron garnet (YIG) is the leading candidate, yet it is...
Anisotropic electrical transports in rolled Ag2Se film
Ag2Se is a promising room-temperature thermoelectric (TE) material that can be processed into free-standing films by using the hot-rolling method. In this work, we find the rolled Ag2Se film has aniso...
Atmospheric neutron irradiation effects on conductance update linearity of Mg:HfO <i>x</i> (9 at. %)-based memristive synapse
Studying the atmospheric neutron irradiation effects on memristive synapses is fundamental to extending the application of memristive neuromorphic chips in aviation. However, such studies remain rarel...
Effects of lamella preparation on InGaN quantum well luminescence
Despite it being a popular sample preparation technique, the optoelectronic effects of thinning bulk samples into lamella using a Ga-based focused ion beam (FIB), as is commonly performed for studies...
Pressure-induced superconducting state and lifshitz transition in the van der Waals violet phosphorus
Violet phosphorus (VP) has recently attracted attention as a promising two-dimensional van der Waals material due to its unique physicochemical properties and broad application potential. However, its...
Significant Seebeck coefficients driven by coexisting Dirac bands and van Hove singularities in bilayer Kagome borophene
Topological semimetals typically exhibit high carrier mobility but suffer from low Seebeck coefficients due to their symmetric band structures near the Fermi level. To break this symmetry while preser...
Strain-driven transition from pseudo-rhombohedral to aligned cubic phase of NiO (111) heteroepilayer
Nickel oxide (NiO) has been historically misinterpreted as containing rhombohedral-like features, leading to structural ambiguity. Here, NiO epilayers of varying thickness were grown on sapphire to in...
Wigner crystallization of localized electrons in a flash memory
The operating principle of modern flash memory is based on the localization of electrons at dielectric traps and a subsequent change in two-dimensional semiconductor channel resistance. Amorphous sili...
Multifunctional phosphonic acid additive enables efficient and stable inverted perovskite solar cells
Achieving efficient defect passivation is crucial for enhancing both the performance and stability of perovskite solar cells (PSCs). In this study, we demonstrate that incorporating [4-(3,6-dibromo-9H...