Specific heat studies on the charge and magnetic ordering in manganites

H. D. Yang, H. L. Huang, P. L. Ho, W. L. Huang, C. W. Huang, S. Mollah, S. J. Liu, J. Y. Lin

Research output: Contribution to journalArticle

5 Citations (Scopus)

Abstract

Specific heat (C) studies with a wide range of temperatures (T = 80-300 K) on polycrystalline manganites Pr1-xCaxMnO3 (113-PCMO) with x = 0.3-0.4, La1-yCayMnO3 (113-LCMO) with y = 0.3 and 0.5, and La2-2zSr1+2zMn 2O7 (327-LSMO) with z = 0.3 and 0.5 are reported. Clear anomalies in C are identified which are associated with charge ordering (CO), antiferromagnetic (AFM) and ferromagnetic (FM) transitions. The anomalies in 113-PCMO and 113-LSMO are bigger than those of 327-LSMO. The possible explanations are discussed on the basis of dimensionality effects.

Original languageEnglish
Pages (from-to)801-802
Number of pages2
JournalPhysica B: Condensed Matter
Volume329-333
Issue numberII
DOIs
Publication statusPublished - 2003 May

Keywords

  • Charge ordering
  • Magnetic ordering
  • Manganites
  • Specific Heat

ASJC Scopus subject areas

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

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