Pressure effect on magnetism in phase-separated Cr-doped Pr0.5Ca0.5Mn1-xCrxO3 manganites

V. Markovich, I. Fita, R. Puzniak, C. Martin, A. Wisniewski, C. Yaicle, A. Maignan, G. Gorodetsky

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6 Scopus citations


Magnetic properties of Pr0.5Ca0.5Mn1-xCrxO3 (0.015≤x≤0.5) samples were investigated under pressures up to 11 kbar. For x=0.015 and 0.03 samples, an applied pressure enhances significantly the Curie temperature (dTC/dP∼2 K/kbar), enhances the ferromagnetic phase volume below TC, and narrows appreciably the hysteresis in the vicinity of TC. For x=0.2 and 0.5 samples, pressure does not affect practically the magnetic transition temperature, but reduces noticeably the magnetization in a wide temperature range. Observed phenomena for x=0.015 and 0.03 samples are related to the interfacial elastic energy at the interface of different magnetic phases and to the suppression of the Jahn-Teller distortions under pressure. For higher doped samples, pressure possibly increases antiferromagnetic interactions between Cr3+ and Mn4+ ions.

Original languageEnglish
Pages (from-to)e636-e639
JournalJournal of Magnetism and Magnetic Materials
Issue number2 SPEC. ISS.
StatePublished - 1 Jan 2007


  • Charge ordering
  • Curie temperature
  • Hydrostatic pressure
  • Jahn-Teller interaction
  • Manganite

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics


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