Preparation of NaC60 and its physical properties revealed by differential scanning calorimetry, 23Na-NMR and ESR

Y. Takabayashi; Y. Kubozono; S. Kashino; Y. Iwasa; S. Taga; T. Mitani; H. Ishida; K. Yamada

doi:10.1016/S0009-2614(98)00394-7

Preparation of NaC₆₀ and its physical properties revealed by differential scanning calorimetry, ²³Na-NMR and ESR

Y. Takabayashi, Y. Kubozono, S. Kashino, Y. Iwasa, S. Taga, T. Mitani, H. Ishida, K. Yamada

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

9 Citations (Scopus)

Abstract

NaC₆₀ was prepared and identified by Raman spectroscopy. Differential scanning calorimetry showed the existence of two stable phases above and below 280 K. The high-temperature phase was supercooled down to 205 K and further transformed to a glass state below 205 K. X-ray diffraction at 295 K could be indexed by a face-centered cubic lattice. The ²³Na-NMR spectra below 252 K exhibited the second-order nuclear quadrupole effect accompanied by a descent in symmetry at the site occupied by the Na⁺ ion. An ESR study has shown that the fcc NaC₆₀ becomes nonmagnetic below 180 K.

Original language	English
Pages (from-to)	193-199
Number of pages	7
Journal	Chemical Physics Letters
Volume	289
Issue number	1-2
DOIs	https://doi.org/10.1016/S0009-2614(98)00394-7
Publication status	Published - Jun 5 1998

ASJC Scopus subject areas

Physics and Astronomy(all)
Physical and Theoretical Chemistry

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abstract = "NaC60 was prepared and identified by Raman spectroscopy. Differential scanning calorimetry showed the existence of two stable phases above and below 280 K. The high-temperature phase was supercooled down to 205 K and further transformed to a glass state below 205 K. X-ray diffraction at 295 K could be indexed by a face-centered cubic lattice. The 23Na-NMR spectra below 252 K exhibited the second-order nuclear quadrupole effect accompanied by a descent in symmetry at the site occupied by the Na+ ion. An ESR study has shown that the fcc NaC60 becomes nonmagnetic below 180 K.",

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T1 - Preparation of NaC60 and its physical properties revealed by differential scanning calorimetry, 23Na-NMR and ESR

AU - Takabayashi, Y.

AU - Kubozono, Y.

AU - Kashino, S.

AU - Iwasa, Y.

AU - Taga, S.

AU - Mitani, T.

AU - Ishida, H.

AU - Yamada, K.

PY - 1998/6/5

Y1 - 1998/6/5

N2 - NaC60 was prepared and identified by Raman spectroscopy. Differential scanning calorimetry showed the existence of two stable phases above and below 280 K. The high-temperature phase was supercooled down to 205 K and further transformed to a glass state below 205 K. X-ray diffraction at 295 K could be indexed by a face-centered cubic lattice. The 23Na-NMR spectra below 252 K exhibited the second-order nuclear quadrupole effect accompanied by a descent in symmetry at the site occupied by the Na+ ion. An ESR study has shown that the fcc NaC60 becomes nonmagnetic below 180 K.

AB - NaC60 was prepared and identified by Raman spectroscopy. Differential scanning calorimetry showed the existence of two stable phases above and below 280 K. The high-temperature phase was supercooled down to 205 K and further transformed to a glass state below 205 K. X-ray diffraction at 295 K could be indexed by a face-centered cubic lattice. The 23Na-NMR spectra below 252 K exhibited the second-order nuclear quadrupole effect accompanied by a descent in symmetry at the site occupied by the Na+ ion. An ESR study has shown that the fcc NaC60 becomes nonmagnetic below 180 K.

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Preparation of NaC₆₀ and its physical properties revealed by differential scanning calorimetry, ²³Na-NMR and ESR

Abstract

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