Structure and properties of the stable two-dimensional conducting polymer Mg5 C60

D. Quintavalle, F. Borondics, G. Klupp, A. Baserga, F. Simon, A. Jánossy, K. Kamarás, S. Pekker

Research output: Contribution to journalArticle

17 Citations (Scopus)

Abstract

We present a study on the structural, spectroscopic, conducting, and magnetic properties of Mg5 C60, which is a two-dimensional (2D) fulleride polymer. The polymer phase is stable up to the exceptionally high temperature of 823 K. The infrared and Raman studies suggest the formation of single bonds between the fulleride ions and possibly Mg- C60 covalent bonds. Mg5 C60 is a metal at ambient temperature, as shown by electron spin resonance and microwave conductivity measurements. The smooth transition from a metallic to a paramagnetic insulator state below 200 K is attributed to Anderson localization driven by structural disorder.

Original languageEnglish
Article number155431
JournalPhysical Review B - Condensed Matter and Materials Physics
Volume77
Issue number15
DOIs
Publication statusPublished - Apr 18 2008

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics

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