Results 71 to 80 of about 34,475 (219)

Pressure-Induced Anomalous Phase Transitions and Colossal Enhancement of Piezoelectricity in PbTiO$_3$

open access: yes, 2005
We find an unexpected tetragonal-to-monoclinic-to-rhombohedral-to-cubic phase transition sequence induced by pressure, and a morphotropic phase boundary in a pure compound using first-principles calculations.
D. J. Singh   +4 more
core   +1 more source

Top‐Down Fabricated Wood‐Derived Pressure and Strain Sensors: A Review

open access: yesAdvanced Science, EarlyView.
This review focuses on wood‐derived pressure/strain sensors fabricated via top‐down strategies. It analyzes wood's structural composition, examines processing techniques, discusses sensor types and sensing mechanisms, and reviews existing research. The article concludes with future directions for enhancing performance and scalability.
Yi Ren   +8 more
wiley   +1 more source

Enhancing piezoelectric coefficient and thermal stability in lead-free piezoceramics: insights at the atomic-scale

open access: yesNature Communications
Given the highly temperature-sensitive nature of the polymorphic phase boundaries, attaining excellent piezoelectric coefficient with superior temperature stability in lead-free piezoceramics via direct compositional design remains a formidable challenge.
Jinzhu Zou   +7 more
doaj   +1 more source

The impact of digital innovation on labor share: Evidence from Chinese firms

open access: yesInternational Review of Economics & Finance
We use data from listed Chinese companies spanning the years 2000–2021 to study the impact of digital innovation on labor share. Our findings reveal a significant role of digital innovation in enhancing firms' labor share, which changes the factor ...
Tingyu Liu, Peng Huang, Qiaoru Wang
doaj   +1 more source

Magnetically Responsive Piezoelectric Nanocapacitors Enhance Neural Recovery Following Spinal Cord Injury via Targeted Spinal Magnetic Stimulation

open access: yesAdvanced Science, EarlyView.
This study presents a novel “in vivo–in vitro” therapeutic strategy for spinal cord injury by leveraging magnetically responsive piezoelectric nanomaterials. These nanomaterials enable targeted delivery of localized electrical stimulation at the injury site through noninvasive external magnetic actuation, thereby promoting axonal regeneration and ...
Zhihang Xiao   +9 more
wiley   +1 more source

Achieving outstanding comprehensive performance with high piezoelectricity in CaBi2Nb2O9-based high-temperature piezoelectric ceramics via multi-field coupling strategy

open access: yesJournal of Materiomics
Aurivillius phase CaBi2Nb2O9 (CBNO) ceramic with an ultrahigh Curie temperature (TC) of ∼934 °C shows huge potential in high-temperature piezoelectric applications.
Changbai Long   +5 more
doaj   +1 more source

Piezo-generated charge mapping revealed through Direct Piezoelectric Force Microscopy

open access: yes, 2016
While piezoelectrics and ferroelectrics are playing a key role in many everyday applications, there are still a number of open questions related to the physics of those materials.
Carretero-Genevrier, Adrien   +4 more
core   +2 more sources

Stepwise Regulation of Cellular Oxidative Stress via Conductive‐Piezoelectric Integrated Microstructured Conduits for Enhanced Nerve Regeneration

open access: yesAdvanced Science, EarlyView.
This study presents a conductive‐piezoelectric integrated microstructured conduit for peripheral nerve regeneration. The conduit combines reduced graphene oxide with a piezoelectric nanofiber membrane, enhancing nerve repair through physical guidance, oxidative stress inhibition, and ultrasound‐activated electrical stimulation.
Dong Zhou   +9 more
wiley   +1 more source

Understanding the large strain behavior in the lead-free doped Bi1/2(Na0.78K0.22)1/2TiO3–BiMg1/2Ti1/2O3 (BNKT-BMT) piezoelectric system

open access: yesAIP Advances, 2020
The ternary solid solution Bi1/2(Na0.78K0.22)1/2TiO3-BiMg1/2Ti1/2O3 (BNKT-BMT) was investigated for high-strain actuator applications. This study of the BNKT-BMT system looked at the macroscopic properties as a function of BMT doping, temperature, and ...
Nicholas Mostovych   +4 more
doaj   +1 more source

Influence of corona charging in cellular polyethlene film

open access: yes, 2011
[En] Cellular polymers have recently attracted attention for their property of exhibiting a piezoelectric constant when they are electrically charged.
Llovera Segovia, Pedro   +3 more
core   +1 more source

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