Applied Physics Letters
Articles in this Issue
Alternating magnetic fields enhanced non-magnetic confined-ruthenium nanoparticles for efficient oxygen evolution reaction
Magnetic heating by alternating magnetic field (AMF) is a fascinating solution to break the bottleneck in oxygen evolution reaction (OER) catalyst improvement. However, practical applications of AMF i...
First-principles insights into Bi2XO5 (X = Se, Te) monolayers as high-<i>k</i> gate dielectrics for 2D electronics
Scaling silicon-based transistors to sub-ten-nanometer technology nodes presents significant challenges due to the difficult in achieving both atomic-scale thickness and excellent tunneling performanc...
Emerging properties of the two-dimensional electron gas at LaAlO3/TiO2 heterointerfaces on piezoelectric 0.7PbMg1/3Nb2/3O3–0.3PbTiO3 substrates
Understanding and controlling the emergent electronic transport properties at interfaces of oxides has been a major issue in condensed matter physics for both fundamental science and technological app...
Extend the scope of negative thermal expansion in PbTiO3-based perovskites
PbTiO3 is a typical perovskite-type ferroelectric that shows unique negative thermal expansion (NTE) from room temperature to its Curie temperature (α¯V = −1.99 × 10−5 K−1, 300–763 K). It is widely ac...
Study on thermal quenching mechanism and recombination dynamics of Si-bound exciton transition in AlN
Steady-state photoluminescence (PL) and time-resolved photoluminescence spectroscopy are employed to study near-band edge excitonic emission lines in an aluminum nitride (AlN) film over a range of tem...
Propulsion contribution from individual filament in a flagellar bundle
Flagellated microorganisms overcome the low-Reynolds-number time reversibility by rotating helical flagella [E. M. Purcell, Am. J. Phys. 45, 3–11 (1977); D. Bray, Cell Movements: From Molecules to Mot...
Field-free switching of perpendicular magnetization via out-of-plane spin-polarization induced by Ta with crystalline phase gradient
Contrary to the conventional spin current with the in-plane spin polarization, spin current with the out-of-plane spin polarization can achieve efficient all electrical control of perpendicular magnet...
Manipulating high-throughput microparticle aggregation in capillary via elastic-acoustics orbital angular momentum transfer
Vortex acoustic fields are an emerging particle manipulation technique that gathers particles at a central zero-pressure point. Acoustic fields carrying orbital angular momentum (OAM) are reflected by...
Probing the band structure and phonon dynamics in Fe mediated Cu2SnS3 for thermoelectric applications
Ternary Cu2SnS3 (CTS) is a less toxic, earth abundant, and low-cost p-type semiconductor material, suitable for thermoelectric applications, which can work at mid-temperature. This work aims to invest...
Compliance for enhanced electroadhesion: Designing kirigami patterns for local conformation on rough surfaces
We aim to improve the adhesion capabilities of electroadhesive pads on rough surfaces by using geometry-driven compliance to increase effective contact area. We present a kirigami-based approach for e...
Acoustic non-Hermitian higher-order topological bound states in the continuum
Recently, the concept of bound states in the continuum (BICs) has been extended to topological physics, inspiring investigations into higher-order topological BICs (TBICs) and related ultra-strong wav...
Evaluation of bias-dependent band structure changes in metal–oxide–semiconductor structures with varying doping concentrations using laboratory hard x-ray photoelectron spectroscopy
Direct observation of the band structure variation of electrical devices, such as MOSFETs, during device operation is the most important for understanding MOSFET device operation. However, there are a...
Room-temperature ferromagnetism and photoluminescence in layer-conjugated 2D Cu-BDC
Magnetic metal-organic frameworks (MOFs) hold immense promise as multifunctional materials for next-generation spintronic and optoelectronic devices. Here, we introduce a layered conjugated MOF 2D Cu-...
Hollow cathode electron properties are consistent with marginally stable turbulence
The scaling of the electron Mach number in a 20 A class hollow cathode plume is characterized experimentally as a function of the local plasma properties. These local properties are inferred from meas...
Growth of monolayer 1T′-WTe2 with a nearly complete coverage
Monolayer WTe2, known for its intriguing properties as a quantum spin Hall insulator, presents significant challenges for high-quality epitaxial film growth. These difficulties primarily arise from th...
Hybrid-contact Schottky-barrier IGZO thin-film transistors with low barrier sensitivity and high stability
In this work, we investigated the electrical characteristics of Schottky-barrier indium–gallium–zinc oxide (IGZO) thin-film transistors (SBTFTs) by simulation and experiment. The effects of barrier he...
Tunable skyrmion–antiskyrmion dynamics in Co/Pt nanocontacts for spintronic applications
Magnetic skyrmions are topologically protected quasiparticles and have drawn much attention because of their potential applications in next-generation spintronics devices. Their inherent topological s...
Charge transfer in transition metal dichalcogenide alloy heterostructures
Two-dimensional (2D) transition metal dichalcogenides and their alloys provide a unique platform for exploring interlayer charge transfer in van der Waals heterostructures. These structures are crucia...
Quasi-homoepitaxy of hexagonal boron nitride on its own interfacial insertion monolayer
We present an approach to improve the quality of hexagonal boron nitride (hBN) epilayer with a quasi-homoepitaxy mode through the utilization of a hBN interfacial insertion monolayer by using metal-or...