EMR studies of La1-x CaxMnO3 (x=0.1; 0.9) manganites with canted antiferromagnetic ground states

Alexander Shames, Evgeny Rosenberg, Mark Auslender, Gad Gorodetsky, C. Martin, K. V. Glazyrin, Ya M. Mukovskii

Research output: Contribution to journalConference articlepeer-review

2 Scopus citations

Abstract

X-band electron magnetic resonance (EMR) spectra were recorded at the temperature range of 115≤T≤600 K on powdered samples of single crystalline La0.9Ca0.1MnO3 and polycrystalline La 0.1Ca0.9MnO3 manganites, having a mixed magnetic structure in the ground state, which comprises canted antiferromagnetic matrix and nanometer-scale ferromagnetic clusters. A model of the magneto-impurity states for excess holes and electrons, which emerge in the considered compounds due to A-site cation substitution, was used for modeling their paramagnetic susceptibility and spin dynamics measured by means of EMR.

Original languageEnglish
Pages (from-to)e163-e166
JournalJournal of Magnetism and Magnetic Materials
Volume300
Issue number1
DOIs
StatePublished - 1 May 2006
Externally publishedYes
EventThird International Symposium on Magnetism 2005 -
Duration: 26 Jun 200530 Jun 2005

Keywords

  • Electron- and hole-doped CMR manganites
  • Ferromagnetic and electron paramagnetic resonance

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