Structure determination of a brownmillerite Ca2Co2O5 thin film by Precession Electron Diffraction

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dc.creatorBoullay, P.
dc.creatorDorcet, V.
dc.creatorPerez, O.
dc.creatorGrygiel, C.
dc.creatorPrellier, W.
dc.creatorMercey, B.
dc.creatorHervieu, M.
dc.date2009-04-06
dc.date.accessioned2026-07-07T13:13:56Z
dc.date.available2026-07-07T13:13:56Z
dc.descriptionCalcium cobaltite thin films with a ratio Ca/Co=1 were grown on (101)-NdGaO3 substrate by the pulsed laser deposition technique. The structure of the deposited metastable phase is solved using a precession electron diffraction 3D dataset recorded from a cross-sectional sample. It is shown that an ordered oxygen-deficient Ca2Co2O5+d perovskite of the brownmillerite-type with lattice parameters a= 0.546nm, b=1.488nm and c=0.546nm (SG: Ibm2) has been stabilized using the substrate induced strain. The structure and microstructure of this metastable cobaltite is further discussed and compared to related bulk materials based on our transmission electron microscopy investigations
dc.description13 pages, 10 figures, 2 tables, accepted in Phys. Rev. B
dc.identifierhttps://arxiv.org/abs/0904.0849
dc.identifierhttp://arxiv.org/abs/0904.0849
dc.identifierPhys. Rev. B 79 (2009) 184108
dc.identifierdoi:10.1103/PhysRevB.79.184108
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/230059
dc.subjectMaterials Science
dc.titleStructure determination of a brownmillerite Ca2Co2O5 thin film by Precession Electron Diffraction
dc.typetext

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