Orientational ordering of C60 in the antiferromagnetic (NH3)K3C60 phase

Serena Margadonna, Kosmas Prassides, Hideo Shimoda, Taishi Takenobu, Yoshihiro Iwasa

Research output: Contribution to journalArticle

29 Citations (Scopus)

Abstract

The absence of superconductivity in the ammoniated alkali fulleride, (NH3)K3C60, and the transition to an antiferromagnetic (AF) Mott insulating ground state have been associated with the combined effects of crystal symmetry lowering and increased interfullerene separation. We find that the low-temperature orientational ordering motif of the C60 units in the perdeuterated analog, (ND3)K3C60, correlates well with the three-dimensional AF structure proposed by NMR, which arises through alternate stacking of two-dimensional sheets of C60, which order ferrorotationally (antiferromagnetically) along the 〈110〉 and antiferrorotationally (ferromagnetically) along the 〈11̄0〉 directions.

Original languageEnglish
Article number132414
Pages (from-to)1324141-1324144
Number of pages4
JournalPhysical Review B - Condensed Matter and Materials Physics
Volume64
Issue number13
Publication statusPublished - 2001 Oct 1
Externally publishedYes

Fingerprint

fullerides
Crystal symmetry
Alkalies
Electron transitions
Superconductivity
Ground state
alkalies
superconductivity
Nuclear magnetic resonance
analogs
nuclear magnetic resonance
ground state
symmetry
crystals
Temperature
Direction compound

ASJC Scopus subject areas

  • Condensed Matter Physics

Cite this

Margadonna, S., Prassides, K., Shimoda, H., Takenobu, T., & Iwasa, Y. (2001). Orientational ordering of C60 in the antiferromagnetic (NH3)K3C60 phase. Physical Review B - Condensed Matter and Materials Physics, 64(13), 1324141-1324144. [132414].

Orientational ordering of C60 in the antiferromagnetic (NH3)K3C60 phase. / Margadonna, Serena; Prassides, Kosmas; Shimoda, Hideo; Takenobu, Taishi; Iwasa, Yoshihiro.

In: Physical Review B - Condensed Matter and Materials Physics, Vol. 64, No. 13, 132414, 01.10.2001, p. 1324141-1324144.

Research output: Contribution to journalArticle

Margadonna, S, Prassides, K, Shimoda, H, Takenobu, T & Iwasa, Y 2001, 'Orientational ordering of C60 in the antiferromagnetic (NH3)K3C60 phase', Physical Review B - Condensed Matter and Materials Physics, vol. 64, no. 13, 132414, pp. 1324141-1324144.
Margadonna S, Prassides K, Shimoda H, Takenobu T, Iwasa Y. Orientational ordering of C60 in the antiferromagnetic (NH3)K3C60 phase. Physical Review B - Condensed Matter and Materials Physics. 2001 Oct 1;64(13):1324141-1324144. 132414.
Margadonna, Serena ; Prassides, Kosmas ; Shimoda, Hideo ; Takenobu, Taishi ; Iwasa, Yoshihiro. / Orientational ordering of C60 in the antiferromagnetic (NH3)K3C60 phase. In: Physical Review B - Condensed Matter and Materials Physics. 2001 ; Vol. 64, No. 13. pp. 1324141-1324144.
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