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| Titel: |
Barium Metaplumbate Thin Film Electrodes for Ferroelectric Devices |
| Auteur: |
Mardare, A. I. Mardare, C. C. Joanni, E. Fernandes, J. R. A. Vilarinho, P. M. Kholkin, A. L. |
| Verschenen in: |
Ferroelectrics |
| Paginering: | Jaargang 293 (2003) nr. 1 pagina's 177-188 |
| Jaar: |
2003 |
| Inhoud: |
Barium metaplumbate thin films were deposited in situ by pulsed laser deposition on SiSiO2 and SiSiO2TiPt substrates between 400C and 700C. Films prepared at low temperature (500C) over platinum were randomly oriented. For depositions made at 2 102 mbar of oxygen, the films were oriented (110) for all temperatures, while at 0.1 mbar the films were oriented (110) at 500C, changing to a mixed (222)(200) orientation above 550C. The conductivity of BaPbO3 reached values of 5.6 105 cm. The films deposited directly over silica were polycrystalline for temperatures above 500C, having a strong (110) orientation only at 700C. The orientation of BaPbO3 deposited either on silica or platinum, was reflected on the PZT films deposited at room temperature over BaPbO3 and crystallized by different thermal treatments. PZT capacitors made over BaPbO3 presented high values of remnant polarization (up to 44 Ccm2). |
| Uitgever: |
Taylor & Francis |
| Bronbestand: |
Elektronische Wetenschappelijke Tijdschriften |
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