Control of electronic properties of organic conductors by hydrostatic and uniaxial compression

S. Kagoshima, R. Kondo, H. Hirai, T. Shibata, Y. Kaga, M. Maesato

Research output: Contribution to journalArticle

7 Citations (Scopus)

Abstract

We developed the uniaxial strain method to artificially control the electronic properties of organic conductors by reducing the intermolecular distance along a desired direction without changing those along others. Using this method, we were able to cause and enhance superconductivity in two-dimensional organic conductors, α-(BEDT-TTF)2KHg(SCN)4 and its isostructural compound having NH4 instead of K. We found that these two compounds show essentially the same properties if their lattice parameters are appropriately reduced by the uniaxial strain method, although they show quite different properties under ambient and hydrostatic pressures. In the one-dimensional organic superconductor (TMTSF)2PF6, we found a novel result that is contradictory to the current interpretation for the suppression of spin density waves under pressures.

Original languageEnglish
Pages (from-to)97-104
Number of pages8
JournalPhysica Status Solidi (B) Basic Research
Volume223
Issue number1
DOIs
Publication statusPublished - Jan 1 2001
Externally publishedYes

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics

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