Effect of pressure on magnetic properties of La(FexAl1-x)13 ferromagnetic compounds

K. Irisawa, A. Fujita, K. Fukamichi, H. Mitamura, T. Goto

Research output: Contribution to journalArticlepeer-review

8 Citations (Scopus)


Magnetization and thermomagnetization curves for La(Fe0.85Al0.15)13 and La(Fe0.83Al0.17)13 compounds have been measured under pressure in order to investigate the volume effect on the ferromagnetic state. With increasing pressure, the magnetic state of the La(Fe0.85Al0.15)13 compound changes from the ferromagnetic to the antiferromagnetic state at quite a low pressure of 0.25 GPa. In the ferromagnetic state of La(FexAl1-x)13 (x=0.83 and 0.85), the magnitude of the pressure coefficient ∂ ln TC/∂P is much larger than that of ∂ ln MS/∂P, suggesting a positive curvature of the density of states at the Fermi level.

Original languageEnglish
Pages (from-to)42-46
Number of pages5
JournalJournal of Alloys and Compounds
Issue number1-2
Publication statusPublished - 2001 Nov 14


  • High pressure
  • Magnetic measurements
  • Rare earth compounds
  • Transition metal compounds

ASJC Scopus subject areas

  • Mechanics of Materials
  • Mechanical Engineering
  • Metals and Alloys
  • Materials Chemistry


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