Low Temperature Magnetic Instabilities in Triply Charged Fulleride Polymers

Arcon, Denis, Prassides, Kosmas, Maniero, Anna-Lisa and Brunel, Louis C (2000) Low Temperature Magnetic Instabilities in Triply Charged Fulleride Polymers. Physical Review Letters, 84. 562 - 565. ISSN 0031-9007

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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.

Item Type: Article
Schools and Departments: School of Life Sciences > Chemistry
Depositing User: EPrints Services
Date Deposited: 06 Feb 2012 20:46
Last Modified: 02 Jul 2019 20:45
URI: http://sro.sussex.ac.uk/id/eprint/27994

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