Results 1 to 10 of about 15,555 (214)

Entropy regulation in LaNbO4-based fergusonite to implement high-temperature phase transition and promising dielectric properties

open access: yesJournal of Advanced Ceramics, 2023
High-entropy effect is a novel design strategy to optimize properties and explore novel materials. In this work, (La1/5Nd1/5Sm1/5Ho1/5Y1/5)NbO4 (5RNO) high-entropy microwave dielectric ceramics were successfully prepared in the sintering temperature (S.T.
Deqin Chen   +7 more
doaj   +1 more source

Cation-doping effects on the conductivities of the mayenite Ca12Al14O33

open access: yesHigh Temperature Materials and Processes, 2023
The mayenite Ca12Al14O33 material, owing to its oxide ion conducting behavior and the low cost of raw materials, has the potential of being applied in solid oxide fuel cells as an electrolyte.
Song Xingping   +5 more
doaj   +1 more source

New apatite‐type oxide ion conductors Ce9.33+xSi6O26+δ: Structures, phase stabilities, electrical properties, and conducting mechanisms

open access: yesEnergy Science & Engineering, 2022
Apatite‐type rare earth silicate with high oxygen ion conductivity are attractive materials for their wide potential applications, such as being used in solid oxide fuel cells as electrolytes. Herein, a series of new apatite‐type oxide ion conductors Ce9.
Tianjie Wei, Jungu Xu, Wenfeng Zhu
doaj   +1 more source

Preparation, crystal structure, and dielectric characterization of Li2W2O7 ceramic at RF and microwave frequency range [PDF]

open access: yesJournal of Advanced Dielectrics, 2017
Single phase Li2W2O7 with anorthic structure was prepared by the conventional solid-state reaction method at 550∘C and the anorthic structure was stable up to 660∘C.
Jinwu Chen   +4 more
doaj   +1 more source

Metal and Metal Oxide Nanoparticles in Caries Prevention: A Review

open access: yesNanomaterials, 2021
Nanoparticles based on metal and metallic oxide have become a novel trend for dental use as they interfere with bacterial metabolism and prevent biofilm formation.
Mohammed Zahedul Islam Nizami   +4 more
doaj   +1 more source

Azadirachta indica leaves mediated green synthesis of metal oxide nanoparticles: A review

open access: yesTalanta Open, 2022
Various attempts have been made for green synthesis of metal oxide nanoparticles; revealing the significance of plant extracts in reducing metal sources to nanoparticles and applications in various scientific domains.
Shriniwas P. Patil   +2 more
doaj   +1 more source

Opportunities in the design of metal@oxide core-shell nanoparticles

open access: yesAdvances in Physics: X, 2023
Nanoparticles composed of metallic cores encapsulated in oxide shells emerged in the last decade as an attractive class of nanocomposite materials due to their high stability and unique properties provided by the high contact area between the metal and ...
Paulo C. D. Mendes   +6 more
doaj   +1 more source

Influencing factors for the migration of zinc ions in metal oxide powders

open access: yesJournal of Materials Research and Technology, 2023
Metal oxides can be doped by various metal ions to tune the properties. While the migration of metal ions especially extrinsic metal ions in metal oxides still needs to be clarified in order to adjust the composition and the structure of metal oxides ...
Dongzhu Lu   +6 more
doaj   +1 more source

Engineered Metal Oxide Nanoparticles as Fungicides for Plant Disease Control

open access: yesPlants, 2023
Metal oxide nanoparticles are considered to be good alternatives as fungicides for plant disease control. To date, numerous metal oxide nanoparticles have been produced and evaluated as promising antifungal agents.
Aida R. Cruz-Luna   +5 more
doaj   +1 more source

Metal Oxides as Soluble Nano Catalyst on Biodiesel: A Review

open access: yesJournal of Applied Agricultural Science and Technology, 2021
Nano particles of metal oxide developed as soluble nano additive in liquid fuels to improve fuel quality. One application of nano metal oxide particles is an additive to biodiesel.
Setyo Pambudi   +5 more
doaj   +1 more source

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