Applied Physics Letters
Articles in this Issue
Triplet exciton energy manipulation toward low turn-on voltage and efficient fluorescent blue organic light-emitting diodes
Fluorescent blue emitters, which are mostly limited to the utilization of singlet excitons, remain the predominant choice in commercial organic light-emitting diodes (OLEDs) owing to the undesirable o...
The nonreciprocal transmission of magneto-acoustic waves in Ni81Fe19/Cu/Co40Fe40B20 magnetic bilayer
Transmission nonreciprocity is of great significance as it is the defining characteristic of microwave isolators. Combining reciprocal Surface Acoustic Waves (SAWs) with nonreciprocal Spin Waves is an...
Low-damage <i>p</i> -GaN surface for Ohmic contact after passivation layer removal by atomic layer etching
In this work, we present a low-damage p-GaN surface processed by atomic layer etching (ALE), enabling high-performance Ohmic contacts. The mechanism underlying surface modifications introduced by vari...
Effects of disorder on the optical properties of deep UV quantum well emitters as assessed by photonic atom probe
The Photonic Atom Probe, a technique allowing the simultaneous, in situ acquisition of photoluminescence within a tomographic atom probe, is applied to the study of AlGaN quantum wells within deep-UV...
Kinetic control of A-site cation disorder and its impact on the ferroelectric phase transition in La2SrSc2O7 layered perovskite oxide
We demonstrate a strategy for tuning the Curie temperature (TC) of hybrid improper ferroelectric La2SrSc2O7, an n = 2 Ruddlesden–Popper-type perovskite oxide. By kinetically controlling the distributi...
Extended multi-temperature model for electron–phonon coupling and ultrafast thermal transport in graphene
Ultrafast thermal transport in low-dimensional materials challenges traditional diffusive models due to reduced scattering, strong electron–phonon coupling, and pronounced non-equilibrium effects. To...
Spinel CuGa2O4-based memristor enabling synaptic plasticity and associative learning for next-generation memory devices
As conventional memory technologies face limitations in scalability, volatility, and energy efficiency, resistive random-access memory (RRAM) has emerged as a promising candidate for next-generation m...
Multi-physical field regulation of spin reorientation phase transition in YFe0.7Mn0.3O3 single crystal
This study systematically investigates the regulation of the spin reorientation behavior in YFe0.7Mn0.3O3 (YFMO) single crystal under electric, magnetic, and hydrostatic pressure fields. X-ray photoel...
X-ray diffraction study of mixed-phase BiFeO3: Structural modulation via proton injection
Incorporating hydrogen into transition metal oxides with intricate structures offers significant potential for discovering exotic phenomena and functionalities by facilitating interactions between hyd...
AlScN as an electron blocking layer in blue light emitting diodes: A first look
Electron blocking layers (EBLs) are instrumental in visible light emitters based on nitride semiconductor heterostructures. AlScN (a) can be lattice-matched to GaN, (b) can be grown at GaN compatible...
A melting mode of frozen sessile droplets with unmelted ice layer deposited at the bottom
Water-repellent properties of superhydrophobic surfaces make them promising for anti-icing and deicing applications. Through experimental visualization of frozen sessile droplets undergoing melting on...
Erratum: “Modeling realistic multi-layer devices for superconducting quantum electronic circuits” [Appl. Phys. Lett. <b>126</b> , 142601 (2025)]
Interpretation of ferroelectric behavior in AlScN films with TiN and Ta bottom electrodes
Ferroelectric properties of 50-nm-thick Al0.88Sc0.12N films with different bottom electrodes (BEs) of TiN and Ta were characterized. Capacitance–voltage (C–V) curves of the capacitors indicate sharp s...
Giant room-temperature nonvolatile magnon on–off modulation ratio in a multiferroic Pt/Bi1.05La0.05FeO3/Pt sandwiched structure
We experimentally demonstrated magnon transmission in a vertical geometry consisting of multiferroic Bi1.05La0.05FeO3 (BLFO) and heavy-metal Pt layers. Notably, a giant nonvolatile on–off modulation r...
Enhanced polarization-multiplexed metasurface imaging for secure information encoding
We propose an enhanced polarization-multiplexed metasurface imaging scheme integrated with a visual secret-sharing encryption strategy. Information-bearing images are encoded into a multilayer H-shape...
Enhancing meandering VO2 microwire bolometer sensitivity via confined electron layer
VO2 bolometers offer excellent detection sensitivity, especially when temperature biased close to the transition temperature. We show here that a tunable-sensitivity bolometer with an extended range c...
Fully optical switching memory based on an oxidized GQD–FeOx heterojunction with 106 negative photoconductance ratio
A fully optical control device can provide positive photoconductance memory (PPM) and negative photoconductance memory (NPM), enabling the device to execute fully optical computing. However, the NPM t...
Thermal interface material of carbon fiber enhanced micro-nano Cu sintering for power module thermal management
The pursuit of higher power and density in wide bandgap power modules makes thermal management a critical challenge. Thermal interface materials (TIMs) play a critical role by filling microscopic air...
GaN HEMT with improved electrical performance enabled by hybrid AlN nucleation layers
Herein, a 1.8-μm GaN-on-sapphire high-electron-mobility transistor (HEMT) with superior crystal quality is developed by elaborately modulating the initial nucleation stage of the hybrid AlN nucleation...
A single-layer color router for solid-state image sensors
We present a single-layer color router for solid-state image sensors with 0.5 μm size pixels, which is currently the state of the art in sub-micrometer pixels. Unlike other single-layer approaches, a...
Probing optical anisotropy and stability of NbOCl2 and NbOI2 using Mueller matrix spectroscopic ellipsometry
The niobium oxide dihalide family NbOX2 (X = Cl, Br, and I) exhibits strong in-plane anisotropy and hence polarization-dependent properties, making them great candidates for electronic, optoelectronic...
Geometric quantum gates of non-closed paths under counterdiabatic driving
We propose a high-fidelity quantum control framework based on the quasi-topological number (νqua), which extends the traditional Chern number to characterize geometric responses in non-closed paths. B...
Long-wave infrared narrowband multispectral filter based on the plasma decoupling mechanism
Metal plasmonic filters enable compact multispectral sensing, yet conventional designs are constrained by Ohmic losses. In this work, we designed and fabricated a narrowband long-wave infrared spectra...
Revealing trace water effect on the structural and optical evolutions of blue CsPbBr3 perovskite quantum dots
Quantum confined blue CsPbBr3 perovskite quantum dots (PeQDs) demonstrate superior spectral stability and easy tunability by particle size relative to their mixed halide counterparts. However, their p...
The crucial role of the Seebeck effect in the degradation behavior of Mg-based biomedical alloys
Biodegradable magnesium alloys hold great promise as orthopedic implants due to their bone-matching elastic modulus and capacity to eliminate secondary removal surgery. Nevertheless, the often-ignored...