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Constrained sintering of BaLa4Ti4O15 thick films: Pore and grain anisotropy

Amaral, Luís ; Jamin, Christine ; Senos, Ana M. R. ; Vilarinho, Paula M. ; Guillon, Olivier (2013)
Constrained sintering of BaLa4Ti4O15 thick films: Pore and grain anisotropy.
In: Journal of the European Ceramic Society, 33 (10)
doi: 10.1016/j.jeurceramsoc.2013.01.031
Artikel, Bibliographie

Kurzbeschreibung (Abstract)

Constrained sintering of BaLa4Ti4O15 (BLT) thick films on flexible platinum foil and on rigid BLT substrate showed enhanced grain growth and anisotropic microstructure development when compared with bulk samples having similar green packing and sintered under the same conditions. The evolution of the microstructural parameters (grain and pore shape, orientation) during densification and their correlation was investigated in films and compared with the morphological evolution in bulk samples. It is then expected that the appropriate choice of substrate will allow designing tailored microstructures of functional thick films with optimized performance.

Typ des Eintrags: Artikel
Erschienen: 2013
Autor(en): Amaral, Luís ; Jamin, Christine ; Senos, Ana M. R. ; Vilarinho, Paula M. ; Guillon, Olivier
Art des Eintrags: Bibliographie
Titel: Constrained sintering of BaLa4Ti4O15 thick films: Pore and grain anisotropy
Sprache: Englisch
Publikationsjahr: September 2013
Titel der Zeitschrift, Zeitung oder Schriftenreihe: Journal of the European Ceramic Society
Jahrgang/Volume einer Zeitschrift: 33
(Heft-)Nummer: 10
DOI: 10.1016/j.jeurceramsoc.2013.01.031
Kurzbeschreibung (Abstract):

Constrained sintering of BaLa4Ti4O15 (BLT) thick films on flexible platinum foil and on rigid BLT substrate showed enhanced grain growth and anisotropic microstructure development when compared with bulk samples having similar green packing and sintered under the same conditions. The evolution of the microstructural parameters (grain and pore shape, orientation) during densification and their correlation was investigated in films and compared with the morphological evolution in bulk samples. It is then expected that the appropriate choice of substrate will allow designing tailored microstructures of functional thick films with optimized performance.

Freie Schlagworte: Thick films; Barium lanthanum titanate; Constrained sintering; Microstructural anisotropy; Grain growth
Fachbereich(e)/-gebiet(e): 11 Fachbereich Material- und Geowissenschaften > Materialwissenschaft > Fachgebiet Nichtmetallisch-Anorganische Werkstoffe
11 Fachbereich Material- und Geowissenschaften > Materialwissenschaft
11 Fachbereich Material- und Geowissenschaften
Hinterlegungsdatum: 18 Mär 2013 12:21
Letzte Änderung: 06 Sep 2015 21:16
PPN:
Sponsoren: This work was supported by the Portuguese Foundation for Science and Technology (FCT), under grant no. SFRH/BD/40927/2007 and by the DAAD/GRICES Bilateral Action no. 0811978.
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