Synthesis characterization and magnetic properties of the la 0.7-xSmxPb0.3MnO3 manganites

H. Z. Chen, Lance Horng, Y. C. Chen, J. B. Shi, S. L. Young

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Abstract

The magnetic and transport properties of mixed-valence manganites La 0.7-xSmxPb0.3MnO3 (x = 0,0.1 and 0.3) are investigated. The x = 0 phase is indexed in a rhombohedral structure (R3̄c) while the rest exhibit orthorhombic symmetry (Pnma). The increase of x causes a decrease in the spin-coupling interaction between the moments of Mn. Hence, the decrease of ferromagnetic transition temperature from 321 to 152 K and the saturation magnetization from 80.36 to 78.33 emu/g can be affected by the substitution of La by Sm.

Original languageEnglish
Pages (from-to)727-728
Number of pages2
JournalPhysica B: Condensed Matter
Volume329-333
Issue numberII
DOIs
Publication statusPublished - 2003 May

All Science Journal Classification (ASJC) codes

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics
  • Electrical and Electronic Engineering

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