Electron spin resonance study of the polymeric phase of Na2RbC60

Denis Arčon; Kosmas Prassides; Serena Margadonna; Anna Lisa Maniero; Louis C. Brunel; Katsumi Tanigaki

doi:10.1103/PhysRevB.60.3856

Electron spin resonance study of the polymeric phase of Na₂RbC₆₀

Denis Arčon, Kosmas Prassides, Serena Margadonna, Anna Lisa Maniero, Louis C. Brunel, Katsumi Tanigaki

Research output: Contribution to journal › Article › peer-review

12 Citations (Scopus)

Abstract

The structural and electronic properties of the polymeric phase of Na₂RbC₆₀ which comprises of C-C bridged C^3-₆₀ chains have been studied between 410 and 4 K with the electron spin resonance (ESR) technique. On cooling, the polymeric phase starts growing below ∼250 K. Its fraction reaches a maximum at ∼190 K, where around 55% of the monomeric cubic phase have transformed to the polymer. The temperature dependence of the ESR susceptibility suggests that the Na₂RbC₆₀ polymer is conducting down to 4 K. The ESR results exclude the possibility of the existence of a ground-state instability and the formation of either a spin-density-wave (SDW) or a charge-density-wave (CDW) state.

Original language	English
Pages (from-to)	3856-3861
Number of pages	6
Journal	Physical Review B - Condensed Matter and Materials Physics
Volume	60
Issue number	6
DOIs	https://doi.org/10.1103/PhysRevB.60.3856
Publication status	Published - 1999
Externally published	Yes

ASJC Scopus subject areas

Electronic, Optical and Magnetic Materials
Condensed Matter Physics

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10.1103/PhysRevB.60.3856

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title = "Electron spin resonance study of the polymeric phase of Na2RbC60",

abstract = "The structural and electronic properties of the polymeric phase of Na2RbC60 which comprises of C-C bridged C3-60 chains have been studied between 410 and 4 K with the electron spin resonance (ESR) technique. On cooling, the polymeric phase starts growing below ∼250 K. Its fraction reaches a maximum at ∼190 K, where around 55% of the monomeric cubic phase have transformed to the polymer. The temperature dependence of the ESR susceptibility suggests that the Na2RbC60 polymer is conducting down to 4 K. The ESR results exclude the possibility of the existence of a ground-state instability and the formation of either a spin-density-wave (SDW) or a charge-density-wave (CDW) state.",

author = "Denis Ar{\v c}on and Kosmas Prassides and Serena Margadonna and Maniero, {Anna Lisa} and Brunel, {Louis C.} and Katsumi Tanigaki",

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T1 - Electron spin resonance study of the polymeric phase of Na2RbC60

AU - Arčon, Denis

AU - Prassides, Kosmas

AU - Margadonna, Serena

AU - Maniero, Anna Lisa

AU - Brunel, Louis C.

AU - Tanigaki, Katsumi

PY - 1999

Y1 - 1999

N2 - The structural and electronic properties of the polymeric phase of Na2RbC60 which comprises of C-C bridged C3-60 chains have been studied between 410 and 4 K with the electron spin resonance (ESR) technique. On cooling, the polymeric phase starts growing below ∼250 K. Its fraction reaches a maximum at ∼190 K, where around 55% of the monomeric cubic phase have transformed to the polymer. The temperature dependence of the ESR susceptibility suggests that the Na2RbC60 polymer is conducting down to 4 K. The ESR results exclude the possibility of the existence of a ground-state instability and the formation of either a spin-density-wave (SDW) or a charge-density-wave (CDW) state.

AB - The structural and electronic properties of the polymeric phase of Na2RbC60 which comprises of C-C bridged C3-60 chains have been studied between 410 and 4 K with the electron spin resonance (ESR) technique. On cooling, the polymeric phase starts growing below ∼250 K. Its fraction reaches a maximum at ∼190 K, where around 55% of the monomeric cubic phase have transformed to the polymer. The temperature dependence of the ESR susceptibility suggests that the Na2RbC60 polymer is conducting down to 4 K. The ESR results exclude the possibility of the existence of a ground-state instability and the formation of either a spin-density-wave (SDW) or a charge-density-wave (CDW) state.

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JO - Physical Review B - Condensed Matter and Materials Physics

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Electron spin resonance study of the polymeric phase of Na₂RbC₆₀

Abstract

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