Electrical properties of La0.7-xPrxSr0.3MnO3 perovskite

Zaibing Guo*, Jianrong Zhang, Ning Zhang, Weiping Ding, He Huang, Youwei Du

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

45 Scopus citations


We present the electrical properties of polycrystalline La0.7-xPrxSr0.3MnO3 in which the average ionic radius of the A site 〈rA〉 is systematically varied while keeping the carrier concentration fixed. Below the Curie temperature Tc, the spin-disorder scattering process has been regarded to play an important role in the resistivity. With decreasing 〈rA〉, the structure transition from rhombohedral to orthorhombic phase accompanied with the sharp increase in resistivity at Tc and the increase of the activation energies has been observed.

Original languageEnglish (US)
Pages (from-to)1897-1899
Number of pages3
JournalApplied Physics Letters
Issue number14
StatePublished - Apr 7 1997
Externally publishedYes

ASJC Scopus subject areas

  • Physics and Astronomy (miscellaneous)


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