The ubiquitous 1100 charge ordering in organic charge-transfer solids

S. Mazumdar, R. T. Clay, D. K. Campbell

Research output: Contribution to journalConference articlepeer-review


Charge and spin-orderings in the 1/4-filled organic CT solids are of strong interest, especially in view of their possible relations to organic superconductivity. We show that the charge order (CO) in both ID and 2D CT solids is of the ...1100... type, in contradiction to mean field prediction of ...1010... CO. We present detailed computations for metal-insulator and magnetic insulator-insulator transitions in the θ-ET materials. Complete agreement with experiments in several θ systems is found. Similar comparisons between theory and experiments in TCNQ, TMTTF, TMTSF, and ET materials prove the ubiquity of this phenomenon.

Original languageEnglish (US)
Pages (from-to)1317-1319
Number of pages3
JournalSynthetic Metals
Issue number1-3
StatePublished - Apr 4 2003
EventICSM 2002 - Shanghai, China
Duration: Jun 29 2002Jul 5 2002


  • Organic conductors based on radical cation and/or anion salts
  • Organic superconductors

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics
  • Mechanics of Materials
  • Mechanical Engineering
  • Metals and Alloys
  • Materials Chemistry


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