Results 131 to 140 of about 140,103 (290)

A multiscale-multiphysics strategy for numerical modeling of thin piezoelectric sheets

open access: yes, 2014
Flexible piezoelectric devices made of polymeric materials are widely used for micro- and nano-electro-mechanical systems. In particular, numerous recent applications concern energy harvesting.
De Lorenzis, Laura   +3 more
core  

Orientation Engineering of MXene Flakes

open access: yesAdvanced Materials, EarlyView.
Orientation engineering of MXene flakes refers to the transformation of disordered MXene flakes into ordered architectures with optimized multiphysical transport properties. Focusing on this topic, this review outlines key principles, characterization, fabrication strategies, and advanced applications of oriented MXene structures.
Yizhou Wang   +7 more
wiley   +1 more source

Optical Manipulation of Multiferroic Phases in BiFeO3 Thin Films

open access: yesAdvanced Materials Interfaces, EarlyView.
At the strain‐driven morphotropic phase boundary, optical control over the multiferroic rhombohedral and tetragonal phase mixture is demonstrated using above‐bandgap light illumination. The photoinduced charge carriers modify the electrostatic environment and induce the conversion into a single tetragonal phase.
Bixin Yan   +7 more
wiley   +1 more source

On the measurement of piezoelectric d33 coefficient of soft thin films under weak mechanical loads: A rapid and affordable method

open access: yesMaterials & Design
Thanks to their intrinsic flexibility, energy efficiency and high portability, soft piezoelectric thin films represent the most effective technological approach for wearable devices to monitor health conditions.
Gaia de Marzo   +10 more
doaj   +1 more source

Simultaneous H2O:O2 Co‐Reactant Pulsing for Functional Property Control of Atomic Layer Deposited ZnO, TiO2, and Al2O3 Thin Films

open access: yesAdvanced Materials Interfaces, EarlyView.
Simultaneous H2O:O2 co‐pulsing in thermal ALD modulates surface hydroxylation to engineer nanovoids and properties in ZnO, TiO2, and Al2O3. The ligand‑dependent pathway promotes c‑axis‑textured ZnO, reduced‑crystallinity yet Ti4+‑preserved TiO2, and highly transparent, hydrophilic Al2O3, while lowering the refractive indices.
Ramin Ghiyasi, Maarit Karppinen
wiley   +1 more source

Transparent high-performance piezoceramics through pressureless sintering

open access: yesJournal of Advanced Ceramics
Piezoelectricity offers an electromechanical coupling that is widely utilized in transducer applications. There has been a consistent demand for transparent piezoelectric materials for optoelectrical applications. Therefore, despite the inherent tradeoff
Hye-Lim Yu   +10 more
doaj   +1 more source

BaTiO3‐Based Materials for Electrocatalytic Water Splitting

open access: yesAdvanced Materials Interfaces, EarlyView.
This review provides a comprehensive and in‐depth exploration of the fundamental aspects and advantages behind the rising interest in BaTiO3‐based materials as electrocatalysts for the hydrogen evolution reaction and the oxygen evolution reaction, focusing on their unique ferroelectric features, electronic configurations, and surface chemistry ...
Binod Raj KC, Bishnu Prasad Bastakoti
wiley   +1 more source

Hydrogel‐Based 3D‐Printable Stretchable Pressure Sensor

open access: yesAdvanced Materials Technologies, EarlyView.
We present a carbon‐black‐functionalized double‐network granular hydrogel (DNGH) pressure sensor capable of detecting pressures from 200 Pa, equivalent to a light finger touch, up to 500 kPa. The sensor exhibits signal drifts below 3.5% after 800 cycles and response times around 80 ms. Leveraging this broad sensing range, we 3D print this material into
Tianyu Yuan   +4 more
wiley   +1 more source

Roadmap to Precision 3D Printing of Cellulose: Rheology‐Guided Formulation, Fidelity Assessment, and Application Horizons

open access: yesAdvanced Materials Technologies, EarlyView.
This critical review presents a comprehensive roadmap for the precision 3D printing of cellulose. Quantitative correlations link ink formulation and rheological properties to print fidelity and final material performance. This framework guides the development of advanced functional materials, from biomedical scaffolds to electromagnetic shielding ...
Majed Amini   +3 more
wiley   +1 more source

Piezoelectric material characterization by acoustic methods

open access: yesArchives of Acoustics, 2008
Two characterization methods of piezoelectric materials based on acoustic measurements are presented. Their main objective is to identify the entire set of electromechanical properties of piezoelectric materials from a single sample.
Emmanuel LE CLEZIO   +3 more
doaj  

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