Applied Physics Letters
Articles in this Issue
Gate leakage mechanisms caused by 60Co gamma irradiation on p-GaN gate AlGaN/GaN HEMTs
This study investigates the impact of 60Co γ-ray irradiation on the gate leakage mechanism of Schottky-type p-GaN gate AlGaN/GaN HEMTs. Devices with breakdown voltage of 650 V were irradiated with 60C...
Pre-ionization hydrodynamic cavitation discharge for enhanced plasma activated water
Plasma activated water (PAW), an aqueous solution containing reactive species generated via non-thermal plasma-liquid interactions, demonstrates strong redox activity and antimicrobial effects. This s...
Efficient laser–electron interaction via perfect vortex beam
Laser manipulation methods of the electron beam can significantly improve the coherence and peak power of accelerator-based radiation sources, especially seeded free electron laser and storage ring. H...
Al3+ doping-induced proton spatial inversion symmetry breaking in two-dimensional vermiculite: Intrinsic polarization and ferroelectric switching
To elucidate the origin of ferroelectric properties and underlying mechanisms in experimentally discovered two-dimensional (2D) vermiculite, we performed first-principles calculations on structures wi...
Unraveling carrier lifetime variations in MAPbI3 perovskite from octahedral distortions and spin–orbit coupling effects
Designing efficient halide perovskites (HPs) is critical for advancing optoelectronic device performance. Herein, we systematically investigate the excited-state dynamics of three crystalline systems...
Voltage control spin mixing conductance in TMDCs/ferromagnet heterostructures
The efficiency of spin current generation and transmission is crucial for the performance of spin–orbit torque devices. Here, the spin mixing conductance serves as a pivotal parameter to quantify spin...
Anisotropic magnetic damping and spin–orbit torque in epitaxial FeV heterostructures
We investigated the anisotropy of magnetic damping and spin–orbit torque (SOT) in epitaxial Fe77V23/amorphous Al and fully epitaxial Fe77V23/Pt bilayers grown on MgO(001) substrates using ferromagneti...
Strain control of magnetism and magnon thermal conductivity in SeCoO3
Strain-modulated magnetic phase transition is an attractive phenomenon in condensed-matter physics and materials science. Using density functional theory and spin wave theory, we investigate the effec...
Enhanced reliability of Hf0.5Zr0.5O2 ferroelectric memory through WOx buffer layer to minimize oxygen vacancies
Ferroelectric memory presents numerous advantages, including rapid read/write speeds, high-temperature resistance, and resilience to radiation. However, defects such as oxygen vacancies can undermine...
Hydrogen passivation of electron traps and fixed charges in SiO2/<i>β</i>-Ga2O3(001) MOS structures
We investigated the effect of post-metallization forming gas annealing (FG-PMA) on SiO2/β-gallium oxide [β-Ga2O3(001)] MOS structures. We found that FG-PMA at a relatively low temperature (200–400 °C)...
Mitigation of ordering constraints in P2-Na0.67Ni0.33Mn0.67O2 cathode via F doping for improved Na-ion storage
Sodium-ion layered transition metal oxides (Nax[TM1, TM2]O2, where TM denotes transition metals) serve as potential cathodes for high-performance sodium-ion batteries due to their high specific capaci...
In-plane thermal conductivity and the applicability of the Wiedemann–Franz law in dilute AlCu thin films
The Wiedemann–Franz (WF) law correlates heat and charge transport in metals. However, the validity of this correlation remains an open-ended question, especially in the context of inelastic scattering...
Electric field modulated magnetic properties by strain transfer in nanocluster-assembled magnetoelectric heterostructures
Electric field control of magnetic properties in nanomaterials holds a significant prospect for high-density magnetic storage and sensors. Here, we demonstrate efficient electric field modulation of m...
Efficient gate-tunable exciton–trion conversion in atomically thin WSe2 at sub-volt thresholds
Atomically thin transition metal dichalcogenides exhibit significant potential for exciton-based optoelectronic and quantum applications owing to their strong light–matter interactions and tightly bou...
Flexible glycine-based piezoelectric medical dressing for wound repair
Piezoelectric dressings provide continuous electrical stimulation and accelerate wound healing. However, the trade-off between electromechanical activity and biocompatibility dramatically restricts th...
Controllable synthesis of large-scale SnSe2 nanosheet arrays and Te/SnSe2 vertical mixed-dimensional heterostructures for hydrogen evolution reaction
As a characteristic two-dimensional (2D) layered material, SnSe2 exhibits promising applications in optoelectronic devices and energy catalysis due to its distinct physical and chemical properties. Ho...
Realization of strong coupling between Er3+: CaWO4 crystal and the loop-gap resonator for a hybrid quantum system
Erbium-doped crystals provide a promising platform for integration with other quantum systems, offering telecom-band optical and microwave spin transitions with long coherence times for quantum memory...
Effect of Bi/In co-doing on the Gilbert damping and Faraday rotation of Tm3Fe5O12 film
Rare-earth iron garnet materials are applied extensively in magnetic devices and magneto-optical isolators owing to their superior properties. This Letter presents a detailed investigation of the Gilb...
The magnetocaloric effect of exchange anisotropy
The magnetocaloric effect is a temperature change in magnetic materials when subjected to applied magnetic field variations. An inverse magnetocaloric effect occurs when applying a magnetic field adia...
3D strain field reconstruction by inversion of dynamical scattering
Strain governs not only the mechanical response of materials but also their electronic, optical, and catalytic properties. For this reason, the measurement of the 3D strain field is crucial for a deta...
Phonon-polaritons in Zn1<b>−</b> <i>x</i>Mg<i>x</i>Te (x≤ 0.09): A Raman scattering study
Phonon-polaritons (PPs) are phonon–photon coupled modes. Using near-forward Raman scattering, the PP of the cubic Zn1−xMgxTe (x≤ 0.09) semiconductor alloy could be measured. While the PP-coupling hard...
Epitaxial growth of Bi-stabilized <i>β</i>-In2Se3 films for fast visible to near-infrared photodetectors
In this work, we study the molecular beam epitaxial growth of phase-pure In2Se3 films on mica with Bi doping for fast visible to near-infrared photodetectors. Through the Bi doping strategy, phase-pur...
Large tunneling magnetoresistance and perpendicular magnetic anisotropy in magnetic tunneling junction based on spin gapless semiconductor CoFeCrAl
Spin gapless semiconductors (SGSs) have drawn increasing attention in spintronic materials for their complete spin polarization and ability to reduce conductance mismatch. Motivated by the recent synt...
Terahertz near-field imaging of sidewall-induced losses in superconducting qubits
Correlating superconducting qubit performance with advanced materials analysis is a key strategy for improving coherence. Existing diagnostics for key properties, such as dielectric loss, structural d...
Reliable design for AlGaN nanoarray photocathode based on three-dimensional physical model accelerated by machine learning
The aluminum gallium nitride (AlGaN) nanoarray is becoming increasingly significant as a photocathode configuration for use in electronic devices and ultraviolet sensors. Traditional photocathode desi...