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Title: Investigation of the strain-sensitive superconducting transition of BaFe1.8Co0.2As2 thin films utilizing piezoelectric substrates
Authors: Trommler, S.Hänisch, J.Iida, K.Kurth, F.Schultz, L.Holzapfel, B.Hühne, R.
Publishers Version: https://doi.org/10.1088/1742-6596/507/1/012049
Issue Date: 2014
Published in: Journal of Physics: Conference Series, Volume 507, Issue Part 1
Publisher: Milton Park : Taylor & Francis
Abstract: The preparation of biaxially textured BaFe1.8Co0.2As2 thin films has been optimized on MgO single crystals and transfered to piezoelectric (001) Pb(Mg1/3Nb2/3)0.72Ti0.28O3 substrates. By utilizing the inverse piezoelectric effect the lattice parameter of these substrates can be controlled applying an electric field, leading to a induction of biaxial strain into the superconducting layer. High electric fields were used to achieve a total strain of up to 0.05% at low temperatures. A sharpening of the resistive transition and a shift of about 0.6 K to higher temperatures was found at a compressive strain of 0.035%.
Keywords: Electric fields; Film preparation; LeadSingle crystals; Thin films; Piezoelectricity; Superconducting films
DDC: 530
License: CC BY 3.0 Unported
Link to License: https://creativecommons.org/licenses/by/3.0/
Appears in Collections:Physik



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