Superconducting and charge ordering phases of two-dimensional organic conductors

R. Kondo, M. Higa, S. Kagoshima

Research output: Contribution to journalArticle

1 Citation (Scopus)

Abstract

In order to investigate relationships between superconducting phase and charge ordered one, the uniaxial strain method is applied to the superconducting salt α-(BEDT-TTF) 2NH 4 Hg(SCN) 4 and the organic conductor α-(BEDT-TTF) 2CsCd(SCN) 4. Both salts preserve metallic states under a-axial strain and show insulating behaviours under c-axial strain. These results suggest that i) c-axial strain controls the electronic properties of the α-type salts, and ii) the insulating state in the vicinity of the superconducting phase of α-(BEDT-TTF) 2NH 4Hg(SCN) 4 is a charge ordered phase, as expected from the comparison in the lattice parameters with the charge ordered salt θ-(BEDT-TTF) 2 RbZn(SCN) 4.

Original languageEnglish
Pages (from-to)539-542
Number of pages4
JournalJournal of Low Temperature Physics
Volume142
Issue number3-4
DOIs
Publication statusPublished - Feb 1 2006
Externally publishedYes

Keywords

  • 74.25 Fy
  • 74.70kn

ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics
  • Materials Science(all)
  • Condensed Matter Physics

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