Results 111 to 120 of about 25,720 (229)

Emergent Freestanding Complex Oxide Membranes for Multifunctional Applications

open access: yesAdvanced Materials, EarlyView.
This review surveys freestanding oxide membranes and covers fabrication and three pathways for studies and devices: strain‐free and strained membranes, and van der Waals‐integrated heterostructures. We show how coupled oxide responses map onto these routes and cross‐couple to expand behaviors.
Baowen Li   +6 more
wiley   +1 more source

Large‐Area 2D Metasurface‐Based Triboelectric E‐Skin Arrays: Contact & Proximity Tactile Mapping with Broadband Acoustic Readouts

open access: yesAdvanced Materials, EarlyView.
Metasurface‐engineered NC‐TENG arrays integrate tactile pressure mapping, non‐contact gesture sensing, and acoustic signal readouts in one ultrathin module, and outperforms pristine PDMS in terms of electrical output and real‐time spatial mapping for next‐gen wearables.
Injamamul Arief   +12 more
wiley   +1 more source

Construction and analysis of the quasi-ruled surfaces based on the quasi-focal curves in $ \mathbb{R}^{3} $

open access: yesAIMS Mathematics
This paper presents the concept of a quasi-ruled surface, which is a ruled surface generated by a base curve and a ruling, both of which are defined by the quasi-frame (q-frame).
Samah Gaber   +2 more
doaj   +1 more source

Ultra‐Sensitive Nanofiber‐Based Triboelectric Nanogenerator for Energy Harvesting and Self‐Powered Sensing

open access: yesAdvanced Materials, EarlyView.
A multidimensional molecular strategy optimizes the tribonegative layer by electrospinning PVDF‐HFP for dipole alignment and crystallinity, followed by 2D borophene doping to enhance conductivity and charge trapping. Integrated with Nylon‐66 nanofibers, the composite device delivers a record sensitivity of 53.8 ± 1.2 V kPa−1 at 3 Hz, enabling ultra ...
Sajib Roy   +7 more
wiley   +1 more source

Modeling of Distorted Degradation Data Based on Oil Analysis

open access: yesApplied Sciences
Degradation data are important in judging a machine’s health condition and providing early warning of machine failure. However, interference factors (e.g., oil top-ups) may distort degradation observations, causing the observed data to deviate from the ...
Yue Chen, Jian Shi
doaj   +1 more source

Method of forming thin window drifted silicon charged particle detector Patent [PDF]

open access: yes, 1967
Method of forming thin window drifted silicon charged particle ...
Fessler, T. E.   +2 more
core   +1 more source

Rectifying curves in the three-dimensional sphere

open access: yesJournal of Mathematical Analysis and Applications, 2015
zbMATH Open Web Interface contents unavailable due to conflicting licenses.
Lucas, Pascual   +1 more
openaire   +2 more sources

Unveiling Complementary Unipolar Electrical Transport in ZnO‐Co3O4 Core–Shell Nanowires Exploiting Iontronics

open access: yesAdvanced Materials Technologies, EarlyView.
Complementary unipolar electrical transport is demonstrated in ZnO‐Co3O4 core–shell nanowires, by engineering multi‐terminal device architectures that allow to selectively address different sections of the nanostructure and resorting on ionic liquid gating for conformal capacitive coupling and field effect control.
Valeria Demontis   +5 more
wiley   +1 more source

Curved Text Line Rectification via Bresenham’s Algorithm and Generalized Additive Models

open access: yesSignals
This paper presents a methodology for rectifying curved text lines, a crucial process in optical character recognition (OCR) and computer vision. Utilizing generalized additive models (GAMs), the proposed method accurately estimates text curvature and ...
Thomas Stogiannopoulos   +1 more
doaj   +1 more source

Lattice Structures for Bone Replacement: The Intersection of Bone Biomechanics, Lattice Design, and Additive Manufacturing

open access: yesAdvanced Materials Technologies, EarlyView.
This review outlines how understanding bone's biology, hierarchical architecture, and mechanical anisotropy informs the design of lattice structures that replicate bone morphology and mechanical behavior. Additive manufacturing enables the fabrication of orthopedic implants that incorporate such structures using a range of engineering materials ...
Stylianos Kechagias   +4 more
wiley   +1 more source

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