Results 21 to 30 of about 110,003 (315)

Giant Piezoelectric Output and Stability Enhancement in Piezopolymer Composites with Liquid Metal Nanofillers

open access: yesAdvanced Science, 2023
Integrating nanomaterials into the polymer matrix is an effective strategy to optimize the performance of polymer‐based piezoelectric devices. Nevertheless, the trade‐off between the output enhancement and stability maintenance of piezoelectric ...
Jingyan Liu   +9 more
doaj   +1 more source

Evolução deformacional das rochas do Vale do Jacurici: implicações para a estruturação dos corpos cromitíferos máfico-ultramáficos

open access: yesGeologia USP. Série Científica, 2017
Baseado na análise estrutural de rochas do Vale do Jacurici, encaixantes de corpos máfico-ultramáficos mineralizados em cromita, reconheceram-se quatro eventos deformacionais, os quais foram estabelecidos segundo um regime deformacional inicialmente ...
Harrizon Lima de Almeida   +2 more
doaj   +1 more source

BME-Y5V Materials Prepared by Solid State Technology

open access: yesActive and Passive Electronic Components, 2002
In this paper the properties of BME-Y5V dielectric powders prepared by solid state technology is described. A new formulation is presented, suitable in multilayer capacitors for layers down to 4μm . The material shows good reliability due to the presence
G. Koebrugge   +2 more
doaj   +1 more source

Realizing simultaneously excellent energy storage and discharge properties in AgNbO3 based antiferroelectric ceramics via La3+ and Ta5+ co-substitution strategy

open access: yesJournal of Materiomics, 2023
AgNbO3 based antiferroelectric (AFE) ceramics have large maximum polarization and low remanent polarization, and thus are important candidates for fabricating dielectric capacitors.
Yuqi Zhou   +6 more
doaj   +1 more source

Remarkable Ionic Conductivity in a LZO-SDC Composite for Low-Temperature Solid Oxide Fuel Cells

open access: yesNanomaterials, 2021
Recently, appreciable ionic conduction has been frequently observed in multifunctional semiconductors, pointing out an unconventional way to develop electrolytes for solid oxide fuel cells (SOFCs).
Zhengwen Tu   +9 more
doaj   +1 more source

The sintering temperature effect on electrochemical properties of Ce0.8Sm0.05Ca0.15O2-δ (SCDC)-La0.6Sr0.4Co0.2Fe0.8O3-δ (LSCF) heterostructure pellet

open access: yesNanoscale Research Letters, 2019
Recently, semiconductor-ionic materials (SIMs) have emerged as new functional materials, which possessed high ionic conductivity with successful applications as the electrolyte in advanced low-temperature solid oxide fuel cells (LT-SOFCs).
Xiyu Nie   +8 more
doaj   +1 more source

Secondary Exfoliation of Electrolytic Graphene Oxide by Ultrasound Assisted Microwave Technique

open access: yesNanomaterials, 2021
Scalable production of large size and high quality graphene is an important prerequisite to fully realize its commercial applications. Herein, we propose a high-efficient route for preparing few-layer graphene.
Yin Yang, Ziyang Wang, Shaobo Zheng
doaj   +1 more source

Oxygen-Defect Enhanced Anion Adsorption Energy Toward Super-Rate and Durable Cathode for Ni–Zn Batteries

open access: yesNano-Micro Letters, 2021
The alkaline zinc-based batteries with high energy density are becoming a research hotspot. However, the poor cycle stability and low-rate performance limit their wide application.
Jia Yao   +12 more
doaj   +1 more source

EXPERIMENTS ON A FERRO-TUNGSTEN. [PDF]

open access: yesJournal of the American Chemical Society, 1894
n ...
openaire   +2 more sources

António Ferro e o “heróico cinema português”

open access: yes, 2022
The book explores António Ferro’s pivotal role in shaping the cultural policy of Portugal’s Estado Novo regime, focusing on his leadership of the National Propaganda Secretariat (SPN) and later the National Information Secretariat (SNI).
Ribeiro, Carla
core   +1 more source

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