- Tytuł:
- LSMO/YBCO heterostructures and investigation of "negative" resistance effect in the interface
- Autorzy:
-
Sojková, M.
Nurgaliev, T.
Štrbík, V.
Chromik, Š.
Blagoev, B.
Španková, M. - Powiązania:
- https://bibliotekanauki.pl/articles/1053094.pdf
- Data publikacji:
- 2017-04
- Wydawca:
- Polska Akademia Nauk. Instytut Fizyki PAN
- Tematy:
-
73.40.-c
73.40.Cg
74.78.Fk
74.72.-h
75.50.Cc - Opis:
- Samples containing the ferromagnetic manganite La_{0.67}Sr_{0.33}MnO₃ (LSMO) and high temperature superconducting YBa₂Cu₃O₇ (YBCO) single thin film areas and YBCO/LSMO bilayer area were prepared on LaAlO₃ (LAO) substrates and were used for investigation of the electrical properties of the interface. The measurements in the YBCO/LSMO interface demonstrated "negative" values of the resistance. A good interpretation of the obtained results was performed in the framework of a 1D model, which took into account the resistance of the interface R_{if} and the temperature dependence of the resistance of YBCO and LSMO films. It was shown that the effect of "negative" resistance arises because of the redistribution of the measuring electrical current in the interphase area if the resistance of the interface R_{if} is small in comparison with the resistances of the neighboring electrodes.
- Źródło:
-
Acta Physica Polonica A; 2017, 131, 4; 842-844
0587-4246
1898-794X - Pojawia się w:
- Acta Physica Polonica A
- Dostawca treści:
- Biblioteka Nauki
Artykuł