Results 171 to 180 of about 261 (203)

Reliable and Reusable All‐Solid‐State Contact‐Type Pre‐Lithiation Platform for High‐Performance All‐Solid‐State Batteries

open access: yesAdvanced Materials, EarlyView.
A reusable contact‐type pre‐lithiation platform enables uniform, precisely controllable pre‐lithiation at low stack pressure, suppressing interfacial degradation and thereby markedly improving initial Coulombic efficiency and cycling performance in all‐solid‐state batteries.
Yunho Lee   +10 more
wiley   +1 more source

Organic–Inorganic Hybrid Hole‐Selective Layer Interface Engineering for Enhanced Photoelectrochemical Water Oxidation on Bismuth Vanadate Photoanodes

open access: yesAdvanced Materials, EarlyView.
In this research the [4‐(3,6‐dimethyl‐9H‐carbazol‐9‐yl)butyl] phosphonic acid (Me‐4PACz) self‐assembled monolayers (SAMs) to bond with NiOx is first designed to be the organic‐inorganic hybrid hole‐selective layers, which promotes the BiVO4 photoanodes photoelectrochemical water splitting performance with 6.9 mA cm−2 photocurrent at 1.23 VRHE and at ...
Kaige Tian   +10 more
wiley   +1 more source

Optoelectronic Nanofluidic Neural Networks for Ionic Computing

open access: yesAdvanced Materials, EarlyView.
An ion‐based optoelectronic nanofluidic memristor enables neuromorphic computing in aqueous environments. With tunable ionic memory and multimodal synaptic plasticity, it realizes densely connected ionic neural networks capable of image classification, motion prediction, logic computation, and real‐time in‐sensor computing, advancing fully connected ...
Yaxin Huang   +10 more
wiley   +1 more source

Electrical Resistivity Change Upon Crystallization as a Robust Descriptor for Metallic Glass Forming Ability

open access: yesAdvanced Materials, EarlyView.
Electrical resistivity change upon annealing is introduced as a rapid descriptor for identifying high glass‐forming ability in metallic glasses. High‐throughput combinatorial thin‐film libraries reveal that compositions exhibiting small resistivity changes correspond to sluggish crystallization behavior and known bulk metallic glass regions, enabling ...
Haechan Jo   +5 more
wiley   +1 more source

Photo‐ and Thermally‐Induced Huge Layer Decoupling in Twisted Bilayer WSe2

open access: yesAdvanced Materials, EarlyView.
A newly developed automated dark‐field tomography visualizes twist‐angle‐dependent structural relaxation and quantifies 3D structures in twisted bilayer WSe2. This approach reveals the evolution of local stacking configurations, thermally induced sub‐ångström interlayer decoupling, and light‐driven interlayer expansion on picosecond timescales ...
A. Nakamura   +10 more
wiley   +1 more source

Comparative Analysis of Work Function Measurement Techniques Based on Scanning Probe Microscopy

open access: yesAdvanced Materials, EarlyView.
Non‐contact scanning probe microscopy visualizes the surface topography based on surface electronic properties. The tunneling current, which defines the geometry of the tunnel–junction, has to overcome the effective surface work function barrier to reach the probe from the surface.
Daryoush Nosraty Alamdary   +2 more
wiley   +1 more source

Recent Advances in Ferrite‐Based Materials for Biomedical Applications: A Comprehensive Review

open access: yesAdvanced Materials, EarlyView.
Ferrite nanoplatforms are presented as tunable biomedical materials in which synthesis control, cation engineering, defect/morphology regulation, and surface functionalization govern structure–property–bioactivity relationships. These design strategies enable multifunctional applications including MRI contrast, magnetic hyperthermia, targeted drug ...
Pramod D. Mhase   +6 more
wiley   +1 more source

On exponential sums over primes in arithmetic progressions

open access: yesOn exponential sums over primes in arithmetic progressions
openaire  

Exponential sums over primes in short intervals

Science in China Series A: Mathematics, 2006
Let \(\Lambda(m)\) be von Mangoldt's function, \(k \in \mathbb N\), \(2 \leq y \leq x\), and \(\alpha = a/q + \lambda\), with \((a, q) = 1\). In this paper, the authors prove that \[ \begin{multlined} \sum_{x < m \leq x + y} \Lambda(m)\exp(2\pi i\alpha m^k) \ll (qx)^{\epsilon} \Big( yx^{-1/2}(q\Xi)^{1/2} + x^{1/2}q^{1/2}\Xi^{1/6}\\ + y^{1/2}x^{3/10 ...
Tao Zhan, Guangshi Lu, Jianya Liu
exaly   +3 more sources

Exponential sums over cubes of primes in short intervals and its applications

Mathematische Zeitschrift, 2021
Let \(\Lambda(n)\) be the von Mangoldt function, \(2 \leq y \leq x\), and \(e(z)=e^{2\pi iz}\). In the paper under review the authors obtain bounds for exponential sums over cubes of primes of the form \[ f(\alpha;x,y)=\sum_ ...
Li, Taiyu, Yao, Yanjun
exaly   +2 more sources

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