- Tytuł:
- Magnetic and Transport Properties of $La_{0.67}Pb_{0.33}(Mn_{1-x}Co_x)O_3$
- Autorzy:
-
Mihalik, M.
Kavečanský, V.
Maťaš, S.
Zentková, M.
Ammer, J.
Kellner, K.
Gritzner, G. - Powiązania:
- https://bibliotekanauki.pl/articles/1813631.pdf
- Data publikacji:
- 2008-01
- Wydawca:
- Polska Akademia Nauk. Instytut Fizyki PAN
- Tematy:
-
71.30.+h
72.80.Ga
75.20.Hr
75.30.Et
75.30.Vn - Opis:
- Detailed studies of temperature dependences of magnetization, AC susceptibility and electrical resistance were performed on $La_{0.67}Pb_{0.33}(Mn_{1-x}Co_x)O_3$ ceramics with x = 0.01 and 0.1. Typical features of both compounds are the hysteretic behavior between the zero-field-cooled magnetization regime and the field-cooled magnetization regime, a very weak field dependence of a maximum in zero-field-cooled magnetization and practically no frequency dependence of the peak in AC susceptibility χ"(T). Anomalies in the electrical resistance connected with the ferromagnetic transition at $T_C$, the insulator-metal transitions at $T_p$ and the re-entrant metal-isolator transition at T* are field dependent pointing to magnetic origin of these transitions. Colossal magnetoresistance was observed in both compounds.
- Źródło:
-
Acta Physica Polonica A; 2008, 113, 1; 251-254
0587-4246
1898-794X - Pojawia się w:
- Acta Physica Polonica A
- Dostawca treści:
- Biblioteka Nauki
Artykuł