2006
DOI: 10.1590/s0103-97332006000600070
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Abstract: A novel synthesis method was employed to obtain a new family of lead-free compounds with the general formula: Ba 1−y Ln 2y/3 Ti 0.91 Zr 0.09 O 3 (Ln= lanthanide element). The thin films were deposited by RF-magnetron sputtering under high-oxygen pressure on different substrates at 873 K. The crystalline phases were studied via x-ray diffraction, showing the 00l epitaxial reflections corresponding to perovskite single-phase compounds. The films revealed high homogeneity and stoichiometries corresponding to BLnZ… Show more

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Cited by 9 publications
(4 citation statements)
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“…This way, we have noted that the growth of the film on Si (100) was effectively accomplished with a (100), (110) and (200) direction, whereas the film growth on STO (100) showed a [001] preferential direction due to BLZT similar cell parameters [10]. The (hkl) values correspond to diffraction peak already reported in the literature for BZT [11].…”
Section: Ceramic Methodsmentioning
confidence: 99%
“…This way, we have noted that the growth of the film on Si (100) was effectively accomplished with a (100), (110) and (200) direction, whereas the film growth on STO (100) showed a [001] preferential direction due to BLZT similar cell parameters [10]. The (hkl) values correspond to diffraction peak already reported in the literature for BZT [11].…”
Section: Ceramic Methodsmentioning
confidence: 99%
“…BaZr x Ti 1-x O 3 characteristics have also been improved by inserting a lanthanide ion as dopant [3] because of its low leakage current behavior and low electric field. However, extensive studies are still needed on systems where the substitution of a lanthanide ion for barium requires the generation of A-site cationic vacancies to maintain electro neutrality in the perovskite structure.…”
Section: Introductionmentioning
confidence: 99%
“…Es necesario aplicar un campo magnético exterior para provocar la magnetización de la muestra y alcanzar la saturación, alineando la magnetización de todos los dominios. En muchos de los ferroeléctricos [2], en la fase paraeléctrica no existen dipolos eléctricos y por lo tanto la polarización es cero. Si aplicamos un campo eléctrico, las cargas en el material se desplazan de su posición de equilibrio y los momentos dipolares locales son creados.…”
Section: Introductionunclassified
“…En nuestro trabajo hemos tomado como punto de partida al Ba 0.9 La 0.067 Ti 0.91 Zr 0.09 O 3 / La 0.67 Ca 0.33 MnO 3 (BLZT), material ferroeléctrico estudiado actualmente como posible candidato para sustituir al Pb(Ti,Zr)O 3 (PZT), gracias a sus altos valores de permitividad relativa sumado al hecho de ser un compuesto acorde a las actuales normativas ambientales al no incluir elementos pesados como el plomo en su estructura [2]. Para obtener la contribución ferromagnética en los materiales fabricados se ha utilizado la manganita de lantano y calcio La 0.67 Ca 0.33 MnO 3 (LCMO) en su fase ferromagnética, a partir de estos dos materiales se han preparado mezclas homogéneas en diferentes pocentajes de masa, mediante la técnica de reacción de estado solido.…”
Section: Introductionunclassified