Direct measurement of electrocaloric effect in lead-free (Na0.5Bi0.5)TiO3-based multilayer ceramic capacitors

Autor: Neil McN. Alford, Amanda Baker, Florian Le Goupil, Andrey Berenov, Clive A. Randall, Florent Tonus

Publikováno v: Journal of the European Ceramic Society. 39:3315-3319

Multilayer ceramic capacitors (MLCCs) of lead-free NBT-based ceramics are produced and their electrocaloric effect (ECE) is characterised for the first time. Dense MLCCs with 97μm-thick active layers are successfully produced by tape casting. Dielec

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::99a9d6714869b426bacdfacf26624c27
https://doi.org/10.1016/j.jeurceramsoc.2019.04.032

Redox Behaviour of Potential SOFC Cathode Materials La1.6Sr0.4Ni1-xCoxO4+δ (x = 0.6 and 0.8) Determined from In Situ Neutron Powder Diffraction under Flowing O2 and 5%H2

Autor: Thibault Broux, Carmelo Prestipino, Florent Tonus, Mona Bahout, James M. Hanlon

Publikováno v: Key Engineering Materials. 617:89-93

The n = 1 Ruddlesden-Popper (RP) oxides La1.6Sr0.4Ni1-xCoxO4+δ (x = 0.6 and 0.8) have been prepared by the citrate-gel method and studied using thermal analysis and in situ neutron powder diffraction (NPD) under oxygen (x = 0.6) and subsequent 5%H2

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::19017b8e7796523eeeb0ac0849e12500
https://doi.org/10.4028/www.scientific.net/kem.617.89

Use of in situ neutron diffraction to monitor high-temperature, solid/H2-gas reactions

Autor: Siân E. Dutton, Thierry Roisnel, Paul F. Henry, Mona Bahout, Florent Tonus, Peter D. Battle

For the first time, the chemistry in H(2) gas of a perovskite-like material, Pr(2)Sr(2)CrNiO(8), has been monitored at temperatures up to approximately 700 degrees C, in situ, by neutron powder diffraction.

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::586e2d3881526f926e513c1b9db698b3
https://ora.ox.ac.uk/objects/uuid:d02129f8-5cce-4129-8473-a8ccb2351fc0

Redox behavior of the SOFC electrode candidate NdBaMn2O5+: δ investigated by high-temperature in situ neutron diffraction: First characterisation in real time of an Ln BaMn2O5.5 intermediate phase

Autor: Ronald I. Smith, Mona Bahout, Serge Paofai, Gilles H. Gauthier, Vincent Dorcet, Florent Tonus, Stephen J. Skinner

Publikováno v: Journal of Materials Chemistry A
Journal of Materials Chemistry A, Royal Society of Chemistry, 2016, 4 (30), pp.11635--11647. ⟨10.1039/c6ta03224a⟩
Journal of Materials Chemistry A, 2016, 4 (30), pp.11635--11647. ⟨10.1039/c6ta03224a⟩

The structural behavior of the tetragonal NdBaMn2O5 phase, a member of the family of A-site ordered layered manganites that have been recently suggested as possible mixed ionic and electronic conductors, has been investigated by means of in situ neut

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::972f917b5dea25a2e440107698c22b73
https://hal-univ-rennes1.archives-ouvertes.fr/hal-01367218/document

High-temperature redox chemistry of La1.5+xSr0.5−xCo0.5Ni0.5O4+δ (x = 0.0, 0.2) studied in situ by neutron diffraction

Autor: Olivier Hernandez, H. El Shinawi, Mona Bahout, Thomas Willum Hansen, Colin Greaves, Peter D. Battle, Florent Tonus

Publikováno v: Journal of Materials Chemistry
Journal of Materials Chemistry, 2011, 21 (20), pp.7111-7122. ⟨10.1039/C1JM10445D⟩
Journal of Materials Chemistry, Royal Society of Chemistry, 2011, 21 (20), pp.7111-7122. ⟨10.1039/C1JM10445D⟩

International audience; Neutron powder diffraction has been used to investigate the redox behaviour of two n = 1 Ruddlesden-Popper (RP) oxides, La(1.5+x)Sr(0.5-x)Co(0.5)Ni(0.5)O(4+delta) (x = 0.0, 0.2) in situ and in real time during cycling through

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::46a2cf363f86d1ffb86d8050cbf3c462
https://hal.science/hal-00822098/document