Applied Physics Letters
Articles in this Issue
Domain-wall-isolated dual-lane racetrack for crosstalk-free skyrmion propagation
Magnetic skyrmions, topologically protected spin textures, are promising candidates for information carriers in metallic racetrack memories, where data bits are encoded by their spatial arrangement. C...
Machine learning-assisted performance prediction of ZnMSnO-based thin-film transistors
Amorphous oxide semiconductors (AOS) are highly promising for optoelectronic devices due to their exceptional electrical properties and optical transparency. However, a significant barrier to their de...
The guide and focus of heat flow in nanoporous silicon membrane at room temperature: A molecular dynamics study
Ray-like heat manipulation using an arrangement of pores at the nanoscale has emerged as an innovative way for electronic devices, but the atomistic insights are yet unclear. Here, we investigate the...
Tunable photodetector performance through electrolyte redox potential engineering
The semiconductor/electrolyte interface is the core region for the separation and transport of photo generated charge carriers in photoelectrochemical (PEC) photodetectors. The band arrangement of the...
Tuning the nucleation barrier energy of nonvolatile polymeric memristor by reducing its active layer thickness for threshold switching
In redox-based memristors, nonvolatile memory (NVM) and diffusive threshold switching (DTS) are two essential features for neuromorphic systems. However, achieving controlled transitions between these...
Curvature-dependent spin-wave resonance of magnetic bimerons in cylindrical nanotubes
Magnetic bimerons, in-plane analogs of skyrmions, exhibit unique spin-wave dynamics arising from their broken rotational symmetry. Here, we investigate the curvature-dependent spin-wave resonance of b...
Mixed ionic–electronic conductor based on B16 framework
Mixed ionic–electronic conductors (MIECs) are essential materials for next-generation energy storage and conversion systems. However, several limitations—including the scarcity of intrinsic MIEC mater...
Zitterbewegung effect and quantum geometry in non-Hermitian exciton-polariton systems
In this work, we analytically derive a semi-classical equation of motion describing the Zitterbewegung effects arising in the dynamics of wavepackets in non-Hermitian systems. In Hermitian non-relativ...
Surface-enhanced Raman spectroscopy (SERS) metabolite profiling of pleural fluid
Pleural effusion is a common complication of lung diseases that requires rapid and accurate diagnosis. However, conventional diagnostic methods are often time-consuming and resource-intensive. Surface...
Uncovering enhanced ferroelectricity: Substituent-driven design of wurtzite ZnO materials
Ferroelectricity has been observed in wurtzite ZnO (w-ZnO), and ionic substitution has emerged as an effective strategy to enhance the ferroelectricity and spontaneous polarization. There are few theo...
Enhancing the <b> <i>β</i> </b> phase thickness window and spin injection efficiency of tungsten films for wafer-scale spin–orbit-torque magnetic random access memory
Spin–orbit-torque magnetic random access memory (SOT-MRAM) is widely considered as the next-generation nonvolatile storage technique with great potential for cache and embedded memory applications, of...
Penetration of an atmospheric pressure plasma jet into a micro-channel: Forward ionization wave and restrike
In this Letter, we reported both experimental observation and 2D fluid modeling on the penetration of an atmospheric pressure plasma jet into a high-aspect-ratio micro-channel in a dielectric substrat...
Controlling two-dimensional electron gas density through surface states in ultra-thin-barrier AlGaN/GaN heterostructures
A method to control the two-dimensional electron gas (2DEG) density in AlGaN/GaN heterostructures through post-epitaxial device processing is investigated. This control was achieved by dielectric film...
Enhanced responsivity of solution-processed perovskite heterojunction photodetector via combination of vertical type structure and optical fiber coupling
Solution-processed perovskite heterojunction photodetectors have attracted widespread attention due to their low-cost, large-area processing techniques; however, they still suffer from low responsivit...
Terahertz single-pixel video based on a matrix-addressable infrared vertical-cavity surface-emitting laser array
Terahertz single-pixel imaging technology, which utilizes the unique properties of terahertz waves in combination with a single-pixel detector, offers an effective solution to the scarcity of high-per...
Realizing ferromagnetism in organic-ions intercalated antiferromagnet MnPSe3
The magnetic properties of two-dimensional magnetic van der Waals materials can be efficiently tailored through pure electrical control, particularly via electron doping. This approach modulates orbit...
Large relative cooling power arising from consecutive magnetic phase transitions in van der Waals CrSBr
Two-dimensional (2D) van der Waals magnets are promising for low-dimensional solid-state refrigeration, but their relative cooling power (RCP) is often limited by modest magnetic entropy changes. Here...
High-throughput sensing of single-cell properties using parallel multi-stage cell deformation
Biophysical properties of single cells serve as label-free, noninvasive biomarkers for phenotyping. However, most techniques measure quantities dependent on multiple biophysical properties rather than...
Thermal conductivity-based gas sensing utilizing multi-threshold MEMS switches: Helium as a case study
We present a gas sensing paradigm based on thermal conductivity cooling and multi-threshold micromachined switches and demonstrate it for helium detection as a case study. The proposed concept aims to...
Robust local dipole and weak inter-dipole coupling in two-dimensional ferroelectric CuInP2S6 monolayers
In this work, we uncover the physical origin of room-temperature stable and small-sized ferroelectric domains in monolayer CuInP2S6. Our phenomenological model, accurately fitted by first-principles d...
Coherent phonon tunneling-driven ultralow and non-monotonic thermal conductivity in quasi-0D Cs3Cu2I5
Low-dimensional copper halides have emerged as promising thermoelectric materials due to their phonon-glass electron-crystal behavior, yet their thermal transport mechanisms remain insufficiently unde...
Controlling skyrmion lattice orientation with local magnetic field gradients
Precise control over the formation and arrangement of magnetic skyrmion lattices is essential for understanding their emergent behavior and advancing their integration into spintronic and magnonic dev...
Dislocations influence the background hole densities in Ge/Si virtual substrates
In this study, the interaction between extended defects and the electrical activity of Ge/Si (001) plastically relaxed epitaxial layers is examined. We used depth-resolved electrochemical capacitance–...
Magnetic vortex structure of CVD synthesized room-temperature ferromagnetic <b> <i>α</i> </b> -Fe2O3 nanosheets
The emergence of magnetic order in two-dimensional materials has stimulated extensive efforts to identify air-stable, room-temperature ferromagnets for applications in spintronics, magnonics, and quan...
Current-induced generation and long-distance motion of skyrmions in synthetic antiferromagnetic materials
Magnetic skyrmions, topologically protected spin textures, exhibit unique quasiparticle characteristics, making them promising candidates for next-generation spintronic devices. Specifically, syntheti...