Giant magnetoresistance properties of polycrystalline praseodymium-based manganese perovskites: from Pr0.75Sr0.25MnO3–δto La0.75Sr0.25MnO3
- 1 January 1995
- journal article
- research article
- Published by Royal Society of Chemistry (RSC) in Journal of Materials Chemistry
- Vol. 5 (7) , 1089-1091
- https://doi.org/10.1039/jm9950501089
Abstract
Giant magnetoresistance has been evidenced for the series of polycrystalline materials, Pr0.75–xLaxSr0.25MnO3–δ, with (R0–RH)/R0 values reaching 90% for Pr0.75Sr0.25MnO3–δ. The Curie temperature of these ferromagnetic compounds decreases continuously when the praseodymium content increases from 360 to 220 K. The relation between Tc and the volume of the perovskite subcell is demonstrated.Keywords
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