Plate-like Ca3Co4O9: A novel lead-free piezoelectric material
Sign Up to like & getrecommendations! Published in 2021 at "Applied Surface Science"
DOI: 10.1016/j.apsusc.2020.147928
Abstract: Abstract Large-size Ca3Co4O9 microplates in the range of 10 μm to 18 μm, were prepared by using molten salt synthesis method. The piezoelectric properties of Ca3Co4O9 were reported in the first time. The crystal structure was characterized… read more here.
Keywords: piezoelectric material; free piezoelectric; plate like; ca3co4o9 ... See more keywords
Nanostructured calcium cobalt oxide Ca3Co4O9 as thermoelectric material. Effect of nanostructure on local coordination, Co charge state and thermoelectric properties
Sign Up to like & getrecommendations! Published in 2020 at "Journal of Physics and Chemistry of Solids"
DOI: 10.1016/j.jpcs.2020.109474
Abstract: Abstract The preparation of pure Ca3Co4O9 materials in the form of dense bodies made of nano-sized grains was investigated by combining a sol-gel route, different thermal cycles, a ball-milling post-treatment and final densification with HP-FAST… read more here.
Keywords: state; ca3co4o9; nano sized; thermoelectric material ... See more keywords
Functionality of an oxygen Ca3Co4O9+δ electrode for reversible solid oxide electrochemical cells based on proton-conducting electrolytes
Sign Up to like & getrecommendations! Published in 2019 at "Journal of Power Sources"
DOI: 10.1016/j.jpowsour.2019.226996
Abstract: Abstract Reversible solid oxide cells (rSOCs) based on proton-conducting electrolytes represent an advanced electrochemical technology aimed at reversible energy conversion. Their high levels of efficiency, minimal impact on the environment and economic viability point to… read more here.
Keywords: conducting electrolytes; based proton; reversible solid; ca3co4o9 ... See more keywords
Low-resistance electrical contact between epitaxially grown thermoelectric oxide material (Ca2CoO3)0.62CoO2 and iridium
Sign Up to like & getrecommendations! Published in 2020 at "Thin Solid Films"
DOI: 10.1016/j.tsf.2020.138420
Abstract: Abstract For the integration of the thermoelectric and magneto resistive active material (Ca2CoO3)0.62CoO2 (Ca3Co4O9) into silicon technology it is mandatory to provide, apart from diffusion barriers and epitaxial growth, electrical contacts with minimal electrical resistance… read more here.
Keywords: ca3co4o9; resistance; contact; ca2coo3 62coo2 ... See more keywords
Prospects for Electrical Performance Tuning in Ca3Co4O9 Materials by Metallic Fe and Ni Particles Additions
Sign Up to like & getrecommendations! Published in 2021 at "Materials"
DOI: 10.3390/ma14040980
Abstract: This work further explores the possibilities for designing the high-temperature electrical performance of the thermoelectric Ca3Co4O9 phase, by a composite approach involving separate metallic iron and nickel particles additions, and by employing two different sintering… read more here.
Keywords: particles additions; ca3co4o9; metallic particles; performance ... See more keywords