Low temperature magnetic instabilities in triply charged fulleride polymers

Denis Arčon, Kosmas Prassides, Anna Lisa Maniero, Louis C. Brunel

Research output: Contribution to journalArticle

15 Citations (Scopus)

Abstract

The electronic properties of the C603- polymer in Na2Rb0.3Cs0.7C60 were studied by X-band and high field (109.056 GHz) ESR. They are characteristic of a strongly correlated quasi-one-dimensional metal down to 45 K. On further cooling, a pseudogap of magnetic origin opens at the Fermi level below 45 K with three-dimensional magnetic ordering occurring below TN ≈15K, as confirmed by the observation of an antiferromagnetic resonance mode. The Na2Rb1-xCsxC60 family of polymers offers a unique way to chemically control the electronic properties, as the opening of the gap in this system of predominantly itinerant electrons is an extremely sensitive function of the interchain separation.

Original languageEnglish
Pages (from-to)562-565
Number of pages4
JournalPhysical review letters
Volume84
Issue number3
DOIs
Publication statusPublished - 2000 Jan 1

ASJC Scopus subject areas

  • Physics and Astronomy(all)

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