Recent progress in development of single-component molecular metals

A. Kobayashi, E. Fujiwara, W. Suzuki, M. Sasa, Y. Fujishiro, E. Nishibori, M. Takata, M. Sakata, Y. Okano, H. Fujiwara, H. Kobayashi

Research output: Contribution to journalConference articlepeer-review

6 Citations (Scopus)


The novel nickel complex with the extended-TTF dithiolate ligand [Ni(tmdt)2] (tmdt=trimethylene dithiotetrathiafulvalenedithiolate) is the first three-dimensional single-component molecular metal with metallic state down to very low temperature (0.6 K). Recently, the direct evidence for presence of electron and hole Fermi surfaces in [Ni(tmdt)2] was obtained by detecting the de Haars-van Alphen (dHvA) effect. We have synthesized analogous single-component molecular conductors with various ligands and central metal atoms and examined their structures and physical properties. The visible and ir spectra of single-component molecular conductors showed that these molecules have unprecedentedly small HOMO-LUMO gaps.

Original languageEnglish
Pages (from-to)419-424
Number of pages6
JournalJournal De Physique. IV : JP
Publication statusPublished - 2004
EventISCOM 2003: 5th International Symposium on Crystalline Organic Metals, Superconductors and Ferromagnets - Port-Bourgenay, France
Duration: 2003 Sept 212003 Sept 26


  • Dithiolene complex
  • Extended-TTF ligand
  • Single-component molecular metal


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