Control of electronic properties of organic conductors by uniaxial strain method

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

Research output: Contribution to journalArticlepeer-review

5 Citations (Scopus)


We succeeded to artificially control the electronic properties of some BEDT-TTF and TMTSF salts by shortening the intermolecular distance along a desired direction without changing those along others (uniaxial strain method). We were able to make α-(BEDT-TTF)2KHg(SCN)4 and its NH4 analogue behave similarly to each other by controlling the lattice parameters a and c independently. The former compound was found to show the superconductivity like the latter and the latter the nesting instability like the former. It is possible to systematically understand the electronic properties of these materials as a function of c/a. In (TMTSF)2PF6, contrary to conventional expectations, the reduction of the lattice parameter a, but not those perpendicular to a, plays a key role to suppress the SDW and induces the superconductivity.

Original languageEnglish
Pages (from-to)683-686
Number of pages4
JournalSynthetic Metals
Issue number1-3
Publication statusPublished - Mar 15 2001
Externally publishedYes


  • Metal-insulator transitions
  • Organic conductors based on radical cation and/or anion salts
  • Organic superconductors
  • Superconducting phase transitions
  • Transport measurements, conductivity, Hall effect, magnetotransport

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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