Magnetic dilution and electronic nature in La0.7Pb0.3Mn1-xZnxO3

Tadahiko Kanoh, Masanori Matoba

Research output: Contribution to journalArticle

Abstract

We have studied the magnetic dilution and electronic nature of Zn doping on the Mn site in the colossal magnetoresistant material La0.7Pb0.3MnO3 (x ≤ 0.3). Small non-magnetic Zn2+ doping tends to separate the system into ferromagnetic clusters to weaken the long-range ferromagnetic order and to reduce the Curie temperature. The spin polarizability of the x = 0-0.3 samples is estimated to be 0.97-1.00, indicating that the x = 0-0.3 samples are the spin polarized materials in which the conductivity is dominated by single-spin charge carriers. Small doping (x ≥ 0.1) induces the metal-insulator transition and destroys the metallic state with long-range ferromagnetic order.

Original languageEnglish
Pages (from-to)935-937
Number of pages3
JournalJournal of Physics and Chemistry of Solids
Volume63
Issue number6-8
DOIs
Publication statusPublished - 2002 Jun

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Dilution
dilution
Doping (additives)
electronics
Metal insulator transition
Curie temperature
Charge carriers
charge carriers
insulators
conductivity
metals

Keywords

  • A. Magnetic materials
  • C. Photoelectron spectroscopy
  • D. Magnetic properties
  • D. Transport properties

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics

Cite this

Magnetic dilution and electronic nature in La0.7Pb0.3Mn1-xZnxO3. / Kanoh, Tadahiko; Matoba, Masanori.

In: Journal of Physics and Chemistry of Solids, Vol. 63, No. 6-8, 06.2002, p. 935-937.

Research output: Contribution to journalArticle

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