693.932 PEOPLE
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| Naji, M. |
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| Aletan, Dirar |
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| Mohamed, Tarek |
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| Ertürk, Emre |
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| Petrov, R. H. | Madrid |
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| Casati, R. |
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| Kočí, Jan | Prague |
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| Ollier, Nadège |
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| Azevedo, Nuno Monteiro |
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| Landes, Michael |
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| Rignanese, Gian-Marco |
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Autret, Cecile
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Topics
Publications (18/18 displayed)
- 2019Comparison of colossal permittivity of CaCu3Ti4O12 with commercial grain boundary barrier layer capacitorcitations
- 2019Comparison of colossal permittivity of CaCu3Ti4O12 with commercial grain boundary barrier layer capacitorcitations
- 2018Control of grain boundary in alumina doped CCTO showing colossal permittivity by core-shell approachcitations
- 2018Control of grain boundary in alumina doped CCTO showing colossal permittivity by core-shell approachcitations
- 2017Laser fluence and spot size effect on compositional and structural properties of BiFeO 3 thin films grown by Pulsed Laser Depositioncitations
- 2016Local analysis of the grain and grain boundary contributions to the bulk dielectric properties of Ca(Cu 3−y Mg y )Ti 4 O 12 ceramics: Importance of the potential barrier at the grain boundarycitations
- 2015An Investigation of Na 1-X Li 2x Mn y Ni z O d Compounds for High Performance Sodium-Ion Batteries
- 2015An Electrochemical Study of Fe1.18Sb1.82 as Negative Electrode for Sodium Ion Batteriescitations
- 2015Capacitance Scaling of Grain Boundaries with Colossal Permittivity of CaCu3Ti4O12-Based Materialscitations
- 2015Capacitance Scaling of Grain Boundaries with Colossal Permittivity of CaCu3Ti4O12-Based Materialscitations
- 2015An Investigation of Na<sub>1-X</sub>Li<sub>2x </sub>Mn<sub>y</sub>Ni<sub>z</sub>O<sub>d</sub> Compounds for High Performance Sodium-Ion Batteries
- 2015Sintering of nanostructured Sc2O3 ceramics from sol-gel-derived nanoparticlescitations
- 2014Leading Role of Grain Boundaries in Colossal Permittivity of Doped and Undoped CCTOcitations
- 2014Leading Role of Grain Boundaries in Colossal Permittivity of Doped and Undoped CCTOcitations
- 2013Polypyrrole/lanthanum strontium manganite oxide nanocomposites: Elaboration and characterizationcitations
- 2013Polypyrrole/lanthanum strontium manganite oxide nanocomposites: Elaboration and characterizationcitations
- 2013Cu-Doping Effect on Dielectric Properties of Organic Gel Synthesized Ba4YMn3-xCuxO11.5±δcitations
- 2012Dielectric Properties of Hexagonal Perovskite Ceramics Prepared by Different Routescitations
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article
Cu-Doping Effect on Dielectric Properties of Organic Gel Synthesized Ba4YMn3-xCuxO11.5±δ
Abstract
International audience ; Copper doped-Ba4YMn3ÀxCuxO11.5 7 δ samples were synthesized by an organic gel assisted citrate process. X-ray diffraction of compositions with x .002, 0.005, 0.01, 0.02 and 0.04 does not reveal any change of hexagonal perovskite structure on doping. The effects of Cu-doping on the microstructure and dielectric properties were investigated. Cu doping modifies the electrical properties at the level of the impedance characteristics of both grain and grain boundary and to understand these different behaviours, we have carried out high-resolution transmission electron microscopy analysis.