Magnetic Properties and Phase Stability of Icosahedral Al–Pd–Mn–B Quasicrystals

Yoshihiko Yokoyama, Akihisa Inoue, Hiroshi Yamauchi, Masashi Kusuyama, Tsuyoshi Masumoto

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13 Citations (Scopus)


The magnetic properties and the effect of B content on the appearance of ferromagnetism, as well as the phase stability of the icosahedral phase, were examined for the icosahedral Al70- x Pd15Mn15B x (x=0 to 6 at.%) alloys. As the B content increases freezing temperature (T f) and ferromagnetic Curie temperature (Θf) increase markedly accompanying the drastic increase in M increase the transition of the magnetic nature of Mn from paramagnetism to ferromagnetism. The phase diagram between the transition temperature of each magnetic state and B content was constructed. The ferromagnetic state was obtained in the B range above 3 at.% B at temperature between 480 K and 550 K. It is thus concluded that the replacement of Al by B causes a drastic change in the magnetic properties though the change in magnetic interaction of Mn–Mn pair and creation and Mn–B pairs.

Original languageEnglish
Number of pages1
JournalJapanese journal of applied physics
Issue number7R
Publication statusPublished - 1994 Jul

ASJC Scopus subject areas

  • Engineering(all)
  • Physics and Astronomy(all)


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