Indications of phase separation in polycrystalline La1-xSrxMnO3 for x≈0.5

S. I. Patil, S. M. Bhagat, Q. Q. Shu, S. E. Lofland, S. B. Ogale, V. N. Smolyaninova, X. Zhang, B. S. Palmer, R. S. Decca, F. A. Brown, H. D. Drew, R. L. Greene, I. O. Troyanchuk, W. H. McCarroll

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47 Scopus citations


We present systematic studies of polycrystalline La1-xSrxMnO3 where x is varied from 0.46 to 0.53 at 0.01 intervals. We have measured the magnetic resonance, ac susceptibility, dc magnetization, x-ray diffraction, four-probe resistivity, and optical reflectivity. The data seem to indicate that, at low T, the materials are intimate mixtures of ferromagnetic and antiferromagnetic microregions. For x>0.48 we observe anomalies pointing toward charge ordering on lowering T. An effective-medium theory is presented, and an appropriate phase diagram is proposed.

Original languageEnglish (US)
Pages (from-to)9548-9554
Number of pages7
JournalPhysical Review B - Condensed Matter and Materials Physics
Issue number14
StatePublished - Oct 1 2000

All Science Journal Classification (ASJC) codes

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics


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