Concepedia

Publication | Open Access

Reversible shift in the superconducting transition for La<sub>1.85</sub>Sr<sub>0.15</sub>CuO<sub>4</sub>and BaFe<sub>1.8</sub>Co<sub>0.2</sub>As<sub>2</sub>using piezoelectric substrates

30

Citations

11

References

2010

Year

Abstract

The use of piezoelectric substrates enables a dynamic observation of strain dependent properties of functional materials. Based on studies with La1.85Sr0.15CuO4 we extended this approach to the iron arsenic superconductors represented by BaFe2-xCoxAs2 to investigate strain driven changes in detail. We demonstrate that epitaxial thin films can be prepared on (001)Pb(Mg1/3Nb2/3)0.72Ti0.28O3 substrates using pulsed laser deposition. The structural as well as the electric properties of the grown films were characterized in detail. A reversible shift of the superconducting transition of 0.44 K for La1.85Sr0.15CuO4 and 0.2 K for BaFe1.8Co0.2As2 was observed applying a biaxial strain of 0.022% and 0.017% respectively.

References

YearCitations

Page 1