Antiferromagnetic resonance in the Mott insulator fcc-Cs3C 60

Yuta Suzuki, Seiji Shibasaki, Yoshihiro Kubozono, Takashi Kambe

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Abstract

The magnetic ground state of the fcc phase of the Mott insulator Cs 3C60 was studied using a low-temperature electron spin resonance technique, and antiferromagnetic resonance (AFMR) below 1.57 K was directly observed at ambient pressure. The AFMR modes for the fcc phase of Cs3C60 were investigated using a conventional two-sublattice model with uniaxial anisotropy, and the spin-flop field was determined to be 4.7 kOe at 1.57 K. The static magnetic exchange interactions and anisotropy field for fcc-Cs3C60 were also estimated.

Original languageEnglish
Article number366001
JournalJournal of Physics Condensed Matter
Volume25
Issue number36
DOIs
Publication statusPublished - Sep 11 2013

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ASJC Scopus subject areas

  • Materials Science(all)
  • Condensed Matter Physics

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