Výsledky vyhledávání - "Jean Claude Carru"

Akademický článek

Structure and electrical properties of Eu-doped SrBi2Nb2O9 ceramics

Autor: Mohamed Afqir, Amina Tachafine, Didier Fasquelle, Mohamed Elaatmani, Jean-Claude Carru, Abdelouahad Zegzouti, Mohamed Daoud, Abdelhamid Oufakir

Publikováno v: Processing and Application of Ceramics, Vol 13, Iss 3, Pp 281-286 (2019)

Structure and dielectric properties of Eu-doped SrBi2Nb2O9 ceramics (with 0, 20 and 35 at.% of Eu), prepared by the solid-state method and sintering, were investigated. XRD, FTIR and SEM measurements were provided to validate the characteristic struc

Externí odkaz: https://doaj.org/article/a257821a21ec4e09a82032042a7a40d3

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Akademický článek

Structural, electric and dielectric properties of Eu-doped SrBi2Nb2O9 ceramics obtained by co-precipitation route

Autor: Mohamed Afqir, Amina Tachafine, Didier Fasquelle, Mohamed Elaatmani, Jean-Claude Carru, Abdelouahad Zegzouti, Mohamed Daoud, Salaheddine Sayouri, Taj-dine Lamcharfi, Mohamed Zouhairi

Publikováno v: Processing and Application of Ceramics, Vol 12, Iss 1, Pp 72-77 (2018)

This paper presents a study of the structure and dielectric properties of Eu-doped SrBi2Nb2O9 ceramics prepared by co-precipitation route and sintered at 850 °C. The materials were examined using XRD and FTIR methods. XRD data indicated the formatio

Externí odkaz: https://doaj.org/article/0643a39d0416482ebb6df8b45be5052e

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Akademický článek

Structure and electric properties of cerium substituted SrBi1.8Ce0.2Nb2O9 and SrBi1.8Ce0.2Ta2O9 ceramics

Autor: Mohamed Afqir, Amina Tachafine, Didier Fasquelle, Mohamed Elaatmani, Jean-Claude Carru, Abdelouahad Zegzouti, Mohamed Daoud

Publikováno v: Processing and Application of Ceramics, Vol 10, Iss 3, Pp 183-188 (2016)

SrBi1.8Ce0.2Nb2O9 (SBCN) and SrBi1.8Ce0.2Ta2O9 (SBCT) powders were prepared via solid-state reaction method. X-ray diffraction analysis reveals that the SBCN and SBCT powders have the single phase orthorhombic Aurivillius structure at room temperatur

Externí odkaz: https://doaj.org/article/dc885fff1126413d95ea5360be728832

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Conduction mechanisms and relaxation phenomena along with electronic transition of ZnO/ZnNb2O6/Nb2O5 composite

Autor: Renaud Cousin, G. Essalah, Ch Poupin, Jean-Claude Carru, G. Leroy, B. Duponchel, M. Mascot, Samir Guermazi, Hajer Guermazi

Publikováno v: Ceramics International. 47:24732-24742

This paper deals with the study of the physical properties of ZnO/ZnNb2O6/Nb2O5 composite. X-ray diffraction (XRD) proves the coexistence of hexagonal ZnO, tetragonal Nb2O5 and orthorhombic ZnNb2O6. Scanning electron microscopy (SEM) observations rev

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::e59f0b9d7f3b94de479dbc365d0e8f49
https://doi.org/10.1016/j.ceramint.2021.05.196

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Application of the Kramers–Kronig relationships in the electrochemical impedance models fit

Autor: G. Leroy, Hassan Yassine, Jean-Claude Carru, M. Mascot, Yuhao Zhang, Xinghua Liang, Chenghua Liang, Junhua Luo

Publikováno v: Journal of Solid State Electrochemistry. 25:2225-2233

In lithium battery research, when we need to establish equivalent circuit based on impedance measurement, we can find several suitable circuit models. We usually use the chi-squared to determine the validity of equivalent models; when the chi-squared

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::55546afaf176eb2f3a293d427308fbdb
https://doi.org/10.1007/s10008-021-04975-1

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Doping effect on nanoscopic and macroscopic electrical properties of Barium Zirconate Titanate thin films

Autor: Rachel Desfeux, Anthony Ferri, A. Da Costa, Amina Tachafine, Didier Fasquelle, Abdelkader Outzourhit, Jean-Claude Carru

Publikováno v: Spectroscopy Letters
Spectroscopy Letters, Taylor & Francis, 2021, 54 (7), pp.507-519. ⟨10.1080/00387010.2021.1928223⟩
Spectroscopy Letters : An International Journal for Rapid Communication
Spectroscopy Letters : An International Journal for Rapid Communication, 2021, 54 (7), pp.507-519. ⟨10.1080/00387010.2021.1928223⟩

International audience; Lead-free Barium Zirconate Titanate thin films synthesized by sol-gel process were deposited on platinized silicon substrates. Atomic and piezoresponse force microscopies analysis have revealed low values for the surface rough

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::47055e80f4941ac1c591a62404e0819d
https://doi.org/10.1080/00387010.2021.1928223

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Ferroelectric BT–PVDF Composite Thick Films for Electrical Energy Storage

Autor: Jean-Claude Carru, Hicham Ait Laasri, Mohamed Rguiti, Mohamed Elaatmani, Didier Fasquelle, Amina Tachafine

Publikováno v: Journal of Electronic Materials. 50:1132-1139

Hybrid composites have been elaborated by incorporation of BaTiO3 (BT) inorganic nanoparticles into polyvinylidene fluoride (PVDF) polymer. BT–PVDF composite thick films with different volume fractions of BT (0%, 7%, 15%, and 30%) were deposited by

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::71c19f2f22661df8f2ada6189e631321
https://doi.org/10.1007/s11664-020-08657-y

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Study of the Aging of Lithium-Ion Coin Cells by Impedance, Capacity and Noise Measurements

Autor: Hassan Yassine, Gerard Leroy, Manuel Mascot, Jean-Claude Carru

Publikováno v: Proceedings of the Sixth International Symposium on Dielectric Materials and Applications (ISyDMA’6) ISBN: 9783031113963

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::b507e7a72d302096feb5ecf6f9fae5b1
https://doi.org/10.1007/978-3-031-11397-0_17

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High tunability in lead-free Ba0.85Sr0.15TiO3thick films for microwave tunable applications

Autor: M. Mascot, Jean-Claude Carru, Fathi Jomni, Selmi Aymen

Publikováno v: Ceramics International
Ceramics International, Elsevier, 2019, 45, pp.23084-23088. ⟨10.1016/j.ceramint.2019.07.357⟩

Lead free ferroelectric Ba0.85Sr0.15TiO3(BST) thick films were successfully deposited by screen printing process on Ag–Pd/Al2O3 substrates. The microstructure of the samples was analyzed by scanning electron microscope (SEM) and X-ray diffraction (

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::88d8739416f3cd6b03ff79be6d1c1823
https://doi.org/10.1016/j.ceramint.2019.07.357

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Investigation of interfacial dead layers parameters in Au/Ba0.85Sr0.15TiO3/Pt capacitor devices

Autor: Fathi Jomni, M. Mascot, Jean-Claude Carru, A. Selmi

Publikováno v: Journal of Alloys and Compounds
Journal of Alloys and Compounds, Elsevier, 2020, 826, pp.154048-. ⟨10.1016/j.jallcom.2020.154048⟩

New ferroelectric Ba0.85Sr0.15TiO3 (BST) thin films are deposited with different thicknesses (50,100, 200,280 and 400 nm) on silicon platinized substrates using spin coater machine and their morphological and structural properties are investigated. T

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::4a5cd60c777d6a73b5e0fdb810025d38
https://hal.archives-ouvertes.fr/hal-03489865

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