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| Titel: |
Epitaxial La0.5Sr0.5CoO3 electrode films for ferroelectric device applications |
| Auteur: |
Cheung, Jeffrey T. Morgan, Peter E. D. Neugaonkar, R. Goorsk, Mark |
| Verschenen in: |
Integrated ferroelectrics |
| Paginering: | Jaargang 3 (1993) nr. 2 pagina's 147-157 |
| Jaar: |
1993-06-01 |
| Inhoud: |
We have grown high quality La0.5Sr0.5CoO3 thin films by Pulsed Laser Deposition. This material is a electrically conducting perovskite which can be used as structurally compatible electrodes for devices using ferroelectric materials such as Pb-La-Zr-Ti-O (PLZT). Oxygen stability was investigated under various annealing conditions. LSCO/PLZT/LSCO heterostructures were grown epitaxially on SrTiO3 (STO) and MgO substrates. P-E hysteresis loop was observed with Pr = 20 μC/cm2 and Ec = 24 kV/cm. Direct observation of the piezoelectric effect in PLZT was made by measuring the PLZT c-axis lattice constant under various electric fields. LSCO/STO superlattice was also grown by PLD. The superlattice showed excellent crystallinity with a Rutherford Backscattering (RBS) channeling minimum yield of only 3.6%. |
| Uitgever: |
Taylor & Francis |
| Bronbestand: |
Elektronische Wetenschappelijke Tijdschriften |
Details van artikel 9 van 25 gevonden artikelen
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