- Tytuł:
- La$\text{}_{0.7}$Sr$\text{}_{0.3}$MnO$\text{}_{3}$ Thin-Film Grain-Boundary Junctions on a Bi-Crystal Substrate
- Autorzy:
-
Gierłowski, P.
Szewczyk, A.
Abal'oshev, A. V.
Vlakhov, E. S.
Donchev, T. I.
Blagoev, B. - Powiązania:
- https://bibliotekanauki.pl/articles/2041462.pdf
- Data publikacji:
- 2004-11
- Wydawca:
- Polska Akademia Nauk. Instytut Fizyki PAN
- Tematy:
-
75.47.Lx
75.47.Gk
72.25.Mk - Opis:
- Transport properties of 10μm to 30μm wide grain-boundary junctions ion-etched in thin colossal magnetoresistance La$\text{}_{0. 7}$Sr$\text{}_{0.3}$MnO$\text{}_{3}$ films deposited on a SrTiO$\text{}_{3}$ bi-crystal were investigated. We have measured the current-voltage characteristics in the temperature range from 4.2 K to 300 K without applied magnetic field, as well as the magnetoresistance at magnetic fields up to±10 kOe directed parallel to the film surface, both perpendicular and parallel to the direction of current flow through the junctions. The investigated junctions have nonlinear current-voltage characteristics in this temperature range and consist of several magnetic domains. The maximum magnetoresistance (R(H)-R $\text{}_{max}$)/R$\text{}_{max}$, measured at 1 kOe was -17.6% at 4.1 K.
- Źródło:
-
Acta Physica Polonica A; 2004, 106, 5; 715-719
0587-4246
1898-794X - Pojawia się w:
- Acta Physica Polonica A
- Dostawca treści:
- Biblioteka Nauki
Artykuł