Is “Rb3C60” really Rb3C60? The NMR T, T′ problem

K. Gorny; C. Hahm; J. A. Martindale; S. Yu; C. H. Pennington; D. R. Buffinger; R. P. Ziebarth

doi:10.1103/PhysRevLett.79.5118

Is “Rb₃C₆₀” really Rb₃C₆₀? The NMR T, T′ problem

K. Gorny, C. Hahm, J. A. Martindale, S. Yu, C. H. Pennington, D. R. Buffinger, R. P. Ziebarth

Radiation Physicists

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

11 Scopus citations

Abstract

A priori theoretical considerations lead one to expect that Rb₃C₆₀ is a Mott-Hubbard insulator. This has led to the proposal that the superconductor “ Rb₃C₆₀” is, in fact, Rb_3-εC₆₀ (ε0.06) and, furthermore, that the vacancies are associated with an unexpected, robust splitting in ⁸⁷Rb NMR. We demonstrate that vacancies, if present, are unrelated to observed NMR splittings.

Original language	English (US)
Pages (from-to)	5118-5121
Number of pages	4
Journal	Physical Review Letters
Volume	79
Issue number	25
DOIs	https://doi.org/10.1103/PhysRevLett.79.5118
State	Published - Jan 1 1997

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Physics and Astronomy(all)

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10.1103/PhysRevLett.79.5118

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abstract = "A priori theoretical considerations lead one to expect that Rb3C60 is a Mott-Hubbard insulator. This has led to the proposal that the superconductor “ Rb3C60” is, in fact, Rb3-εC60 (ε0.06) and, furthermore, that the vacancies are associated with an unexpected, robust splitting in 87Rb NMR. We demonstrate that vacancies, if present, are unrelated to observed NMR splittings.",

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AU - Pennington, C. H.

AU - Buffinger, D. R.

AU - Ziebarth, R. P.

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AB - A priori theoretical considerations lead one to expect that Rb3C60 is a Mott-Hubbard insulator. This has led to the proposal that the superconductor “ Rb3C60” is, in fact, Rb3-εC60 (ε0.06) and, furthermore, that the vacancies are associated with an unexpected, robust splitting in 87Rb NMR. We demonstrate that vacancies, if present, are unrelated to observed NMR splittings.

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Is “Rb₃C₆₀” really Rb₃C₆₀? The NMR T, T′ problem

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