Applied Physics Letters
Articles in this Issue
Janus Rashba semiconductor of RbKNaBi: High thermoelectric performance and ultralow lattice thermal conductivity
The Rashba effect, induced by the spin–orbit coupling and the broken inversion symmetry, has been regarded as an effective strategy to increase thermoelectric performance due to enhanced band degenera...
A Clivia-like piezoelectric wind energy harvester using an overlapping multi-sheet structure
In this Letter, a Clivia-like piezoelectric wind energy harvester (CL-PWEH) using an overlapping multi-sheet structure is presented to enhance the robustness of wind-induced vibration energy harvester...
Cross-Ag disk-covered GaAs microstructure for refractive index sensing by the surface plasmon resonance
This paper presents a hybrid two-dimensional (2D) microstructure, consisting of an Ag layer and a GaAs dielectric sandwich, which enhances sensing capabilities by exciting surface plasmon resonance in...
Vibrational lifetimes of strongly coupled nanostructures
Nanostructures have low frequency vibrational modes corresponding to changes in size and shape. When two structures are brought together, these modes can couple to each other, producing mixed states t...
Oxygen vacancies facilitated hole transport in ZrO2 films by Al3+ doping for p-Si heterojunction solar cells
Transition metal oxides (TMOs) have attracted considerable attention for carrier-selective passivation contacts in crystalline silicon (c-Si) heterojunction solar cells. Among them, zirconium dioxide...
Micro-tip manipulated origami for robust twisted few-layer graphene
Twisted few-layer graphene (tFLG) has emerged as an ideal model system for investigating novel strongly correlated and topological phenomena. However, the experimental construction of tFLG with high s...
Stacking-, strain-engineering induced altermagnetism, multipiezo effect, and topological state in two-dimensional materials
Altermagnetism, a recently identified form of unconventional antiferromagnetism (AFM), enables the removal of spin degeneracy in the absence of net magnetization that provides a platform for the low p...
Strain-tunable magnetism in hydrogen-functionalized WSe2 monolayer
Hydrogen adsorption in two-dimensional materials offers a promising strategy to tailor electronic and magnetic properties. Here, first-principles calculations reveal that low-concentration hydrogen fu...
Tunnel-magnetoresistance sensors with sub-pT detectivity for detecting bio-magnetic fields
Tunnel-magnetoresistance (TMR) sensors based on magnetic tunnel junctions are emerging spintronic devices that are promising for applications to wearable bio-magnetic-field monitoring systems. Targeti...
Dynamical correlation between ions in liquid seen in real space and time
Controlling ionic transport in liquids is anticipated to provide new scientific and technological opportunities, but it requires accurate knowledge of atomic-scale dynamics of ions beyond the hydrodyn...
Very high Curie temperature (470–530 K) in (Ga,Fe)Sb ferromagnetic semiconductor grown by step-flow mode on vicinal GaAs substrates
Narrow-gap Fe-doped III–V ferromagnetic semiconductors (FMSs), such as (In,Fe)Sb, (Ga,Fe)Sb, and (In,Fe)Sb, are promising candidates for active semiconductor spintronic devices thanks to their high Cu...
Strong elastic coupling: Out-of-plane strain, negative Poisson's ratio, and linear bandgap tunability
Strain engineering is a promising strategy for tailoring the properties of two-dimensional (2D) materials. Despite the challenge of interlayer cleavage due to weak van der Waals interactions, by using...
Iterative segmentation algorithm for enhancing the accuracy of biomimetic polarized light compass
The primary challenge currently faced by bio-inspired polarized optical compasses lies in their poor environmental adaptability, resulting in low heading angle accuracy under complex weather condition...
Transparent and flexible electromagnetic interference shielding thin film based on sulfurized copper iodide
A transparent and flexible electromagnetic interference (EMI) shielding thin film is fabricated through a two-step process involving magnetron sputtering of copper iodide (CuI), followed by sulfurizat...
Charge injection mechanism at Al/PE interface considering the multi-step-hopping at the amorphous/crystalline edge
Charge injection is an important factor for the stable operation of power equipment and power system. Our experimental measurements reveal a charge injection barrier of ∼1.2 eV at the Al/Polyethylene...
High-efficiency phase transition of 2H-molybdenum ditelluride films on diverse substrates
The synthesis of p-type two-dimensional (2D) semiconductor 2H-MoTe2 films on various dielectric substrates is essential for realizing multilayer architectures for electronic and optoelectronic devices...
Tunable acoustic delay lines based on thermally controlled single-phase unidirectional transducers
This Letter presents a tunable acoustic delay line (ADL) based on thermally controlled single-phase unidirectional transducers, fabricated on a 1 μm thick scandium-doped aluminum nitride (Al0.7Sc0.3N)...
Fully solution-processed ferroelectric thin film transistor based on PZT and its application in neuromorphic computing
As a promising alternative to conventional computing paradigms, the neuromorphic computing has been demonstrated by using various artificial synaptic devices. Due to the excellent capability for the c...
Effect of a second-harmonic current–phase relation on the behavior of a Josephson traveling-wave parametric amplifier
We numerically investigate the behavior of a Josephson traveling-wave parametric amplifier assuming a current–phase relation with a second-harmonic contribution. We find that varying the weight of har...
Erratum: “The origin of the uniaxial magnetic anisotropy in Fe/GaAs(100) system” [Appl. Phys. Lett. <b>126</b> , 092410 (2025)]
Generation of narrow linewidth sidebands by resonant excitation of torsional mode in a microcantilever resonator
Microelectromechanical system (MEMS) resonators are versatile and miniaturized devices capable of resonating at specific frequencies for numerous technological applications. Quality (Q) factor and fre...
Perspective on nonvolatile magnon-signal storage and in-memory computation for low-power consuming magnonics
Magnons are the quanta of spin waves and transport angular momenta through magnetically ordered materials. They can be used to distribute and control on-chip GHz signals without charge flow, thereby a...
Effect of 20 MeV proton irradiation on the electrical properties of <i>β</i>-Ga2O3 Schottky barrier diodes with field plate
In this Letter, the impact of 20 MeV proton irradiation on β-Ga2O3 Schottky barrier diodes (SBDs) with field plates has been investigated. After proton irradiation with fluences of 2 × 1012 and 5 × 10...
Modulation of the Dzyaloshinskii–Moriya interaction in Pt/Co/Pt with electric field induced strain
The modulation of the interfacial chiral magnetic exchange interaction, i.e., Dzyaloshinskii–Moriya interaction (DMI), is promising to realize ultralow-power information storage or logic devices. Rece...
Stress-engineered single-photon emitters in semiconductor quantum wells
The arrayed single-photon sources fabricated by introducing point-like strain perturbations in atomically thin transition metal dichalcogenides (TMDs) have attracted widespread attention due to their...