Home > Publications database > Investigation of proximity effects in a YBa2Cu3O7-x/SrRuO3 bilayer heterostructure by magnetotransport measurements > print |
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037 | _ | _ | |a FZJ-2024-02360 |
100 | 1 | _ | |a de Oliveira Lima, V. |0 P:(DE-Juel1)191333 |b 0 |e Corresponding author |u fzj |
111 | 2 | _ | |a 4th Science Workshop of the Program MML |c Jena |d 2023-09-27 - 2023-09-29 |w Germany |
245 | _ | _ | |a Investigation of proximity effects in a YBa2Cu3O7-x/SrRuO3 bilayer heterostructure by magnetotransport measurements |
260 | _ | _ | |c 2023 |
336 | 7 | _ | |a Conference Paper |0 33 |2 EndNote |
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520 | _ | _ | |a Proximity effects in Ferromagnet/Superconductor Heterostructures have demonstrated high potential for the development of new devices for spintronic and quantum computing applications. SrRuO3 (SRO) has attracted much attention among transition metal oxides for being the only 4d oxide to show itinerant ferromagnetism and metallic conductivity. On the other side, YBa2Cu3O7-x (YBCO) is one of the most studied high Tc superconductors with a large variety of applications [1, 2]. In this work, we report magnetotransport results of YBCO(100 nm)/SRO(50 nm) bilayer heterostructure prepared on low miscut SrTiO3 (001) single crystals by high oxygen pressure sputtering. Preliminary results point to an epitaxial sample with good crystal quality and low surface roughness. The critical temperature of 87.8 K is reduced in relation to the YBCO reference sample (91 K). Around the superconductivity onset several remarkable features take place while sweeping up and down at 5T external magnetic field applied in-plane and out-of-plane in relation to the sample surface. The inversion of the magnetoresistance peak for temperatures of 89 K < T < 92 K is a strong indication that a proximity effect takes place at the interface and opens a discussion of how to model such kind of behavior. This result will be further examined by means of Polarized Neutron Reflectometry and X-ray Magnetic Circular Dichroism. |
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