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The anatomy of magnetic field pulse induced transverse domain wall dynamics
The microscopic anatomy of the precessional torque-induced magnetic domain wall racetrack memory is numerically investigated. A systematic analysis is performed to explain the efficiency and limitations of this domain wall motion architecture. A transverse domain wall in an in-plane magnetic nanowire is chosen, and the direction of the applied magnetic field is applied to be perpendicular to the film plane. The domain wall displacement upon the application of an out-of-plane magnetic field pulse
2026-04
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Polarity-Programmable Bismuth Oxide Overlayers on Bi(111)/MoS2 Heterostructures via Oxidation and Annealing
Band-structure engineering in bismuth (Bi) oxides is frequently hampered by their amorphous or poorly ordered nature, which obscures the relationship among stoichiometry, band dispersion, and transport polarity. We find that native BiOx overlayers on epitaxial Bi(111)/MoS2 undergo a reversible n → p → n polarity control of the heterostructure system under controlled air exposure and annealing. As-grown BiOx-rich surfaces are n-type and exhibit a photoluminescence peak at ∼2.1–2.2 eV. Mild air an
2026-05
A depth-customizable double-sided 3D neural probe array for simultaneous investigation of multiple brain regions
Understanding the complex neural circuits within the brain requires advanced tools capable of simultaneously recording signals from multiple regions and depths. However, previously developed tools have limited capability to address 3D structures in the brain as they typically feature fixed probe lengths and single-sided electrode configurations. To overcome these challenges, we developed a depth-customizable 3D electrode array structure comprising double-sided 2D neural probe arrays via flexible
2025-12
Atomic Layer Modulation of Ruthenium Aluminum Oxide through Reactivity Control of Precursors for Seedless Copper Interconnects
We fabricated the RuAlO x multicomponent thin film by using atomic layer modulation (ALM) based on precursor chemical reactivities and steric hindrance effects. Dicarbonyl-bis(5-methyl-2,4-hexanediketonato)Ru(II) (Carish) and dimethylaluminum isopropoxide (DMAI) were employed as Ru and Al precursors, respectively, with H2O as the counter reactant. Theoretical calculations based on machine learning interatomic potential were performed to investigate the surface chemical reactions of the precursor
2025-12
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Fluorine-free binder-based dry thick electrodes with Parafilm® M toward sustainable and efficient battery manufacturing
Dry electrodes are being actively developed for sustainable and efficient battery manufacturing. Currently, polytetrafluoroethylene binders dominate dry processes, raising concerns about high fluorine content regarding restrictions on per- and polyfluoroalkyl substances. Moreover, the poor adhesion necessitates a wet coating-based primer layer, which dilutes its main objectives. Here, we show dry processing approach using a thermoplastic, fluorine-free binder with low environmental impact and hi
2025-12
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How the Central Dogma and the Theory of Selfish Genes Misled Evolutionary and Medical Sciences in Understanding Multi-factorial Diseases
This synthesis article deconstructs the incorrect interpretations of the Central Dogma of Molecular Biology in popular accounts of Selfish Gene Theory in evolutionary biology and in genomics. “Selfish” in the theory is invalid whether interpreted literally or metaphorically. This deep misinterpretation of twentieth century biology, emphasising the primacy of genes in functionality, has encouraged the search for the genetic origins of major multi-factorial diseases, even in the face of continuing
2025-06
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Edge-Server Workload Characterization in Vehicular Computation Offloading: Semantics and Empirical Analysis
Edge server-assisted computation offloading enables vehicles to leverage server compute resources to deliver connected services, overcoming the limitations of onboard resources. Understanding the compute workloads of edge servers is crucial for effective resource management and scheduling, yet this task is challenging due to the complex interplay of factors such as vehicle mobility and computation offloading patterns. To address this, we propose an empirical analysis framework that systematicall
2024-06
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Recent Advances in Ultra-High-Speed Wireline Receivers with ADC-DSP-Based Equalizers
High-speed wireline data transceivers (TRX) with analog-to-digital converter (ADC) followed by digital signal processor (DSP) on the receiver (RX) equalizer became popular for applications requiring >100 Gb/s per-lane data rate over long-reach (LR) channels, especially for datacenter applications. With the digital-to-analog converter (DAC)-based transmitter (TX) including DSP-based TX signal processing, the overall structure of DAC/ADC-DSP-based wireline TRXs became similar to modulator/demodula
2024-11
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