Magnetization under high-pressure in organic ferromagnet α-TDAE-C60

Takashi Kambe, K. Ishida, M. Fujiwara, K. Oshima

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1 Citation (Scopus)

Abstract

The magnetization measurements under pressure were performed on the fullerene-based ferromagnet, α-TDAE-C60. We found that the saturation magnetization below the ferromagnetic ordering temperature Tc is rapidly suppressed with increasing pressure and disappeared above Pc 2 = 0.1 - 0.2 GPa. This pressure is remarkably lower than the critical pressure of polymerization Pc = 0.7 GPa. On the contrary, Tc is almost pressure independent below Pc 2, but, above Pc 2, could not be entirely determined because of the strong suppression of the magnetization. In the paramagnetic region, the susceptibility under pressure indicates the total number of spins remains unchanged around Pc 2 as well as Pc. We discuss these results compared with the high-pressure ESR.

Original languageEnglish
Pages (from-to)1432-1434
Number of pages3
JournalJournal of Magnetism and Magnetic Materials
Volume310
Issue number2 SUPPL. PART 2
DOIs
Publication statusPublished - Mar 2007

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Keywords

  • α-TDAE-C
  • Fullerene
  • High pressure magnetization
  • Organic ferromagnet

ASJC Scopus subject areas

  • Condensed Matter Physics

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