Dresden 2014 – wissenschaftliches Programm
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DS: Fachverband Dünne Schichten
DS 1: Application of Thin Films
DS 1.9: Vortrag
Montag, 31. März 2014, 11:45–12:00, CHE 91
Reduction via PLD: Growth of highly conductive SrMoO3 thin films using various reducing atmospheres — •Aldin Radetinac, Arzhang Mani, Philipp Komissinskiy, and Lambert Alff — Institute for Materials Science, Technische Universität Darmstadt, Alarich-Weiss-Straße 2, 64287 Darmstadt, Germany
We have investigated the growth of SrMoO3 by pulsed laser ablation out of a SrMoO4 target. To stabilize SrMoO3, one oxygen atom per formula unit has to be removed out of the material flux during the film growth. To achieve effective reduction, the atmosphere was varied from ultra high vacuum (10−9 torr) to Ar- and H2+Ar mixtures. We show that laser pulse rate and gas flow have a high impact on the actual film quality for reductive film growth. Thus, thin films of metastable materials can be grown by pulsed laser deposition with their growth speed, microstructure, surface morphology and homogeneity controlled by the choice of growth parameters.
This work was supported by the DFG projects GRK 1037 (TICMO) and KO 4093/1-1.