Abstract
Thin films of La0.9Sr0.1Ga0·8Mg0.2O2.85 (LSGMO), an electrolyte material for the solid oxide fuel cells (SOFC), have been prepared by pulsed laser deposition method. Preparation of thin films under high vacuum gives amorphous films, which on annealing at 730 °C in air give stochiometric thin films. Highly oriented, polycrystalline and amorphous films of LSGMO are obtained on SrTiO3 (001), sapphire (0001) and quartz substrates, respectively. The ionic conductivity value for the film deposited on sapphire substrate is an order of magnitude larger than for the film deposited on SrTiO3. The plume composition is analyzed by a mass spectrometer.
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Manoravi, P., Sivakumar, N., Joseph, M. et al. Laser ablation of La0.9Sr0.1Ga0·8Mg0.2O2.85 — plume and film characterization. Ionics 10, 32–38 (2004). https://doi.org/10.1007/BF02410302
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DOI: https://doi.org/10.1007/BF02410302