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Superconductivity in lithium below 0.4 millikelvin at ambient pressure

Author

Listed:
  • Juha Tuoriniemi

    (Low Temperature Laboratory, Helsinki University of Technology, PO Box 2200, FI-02015 TKK, Finland)

  • Kirsi Juntunen-Nurmilaukas

    (Low Temperature Laboratory, Helsinki University of Technology, PO Box 2200, FI-02015 TKK, Finland
    Present address: Philips Medical Systems, Äyritie 4, FI-01510 Vantaa, Finland.)

  • Johanna Uusvuori

    (Low Temperature Laboratory, Helsinki University of Technology, PO Box 2200, FI-02015 TKK, Finland)

  • Elias Pentti

    (Low Temperature Laboratory, Helsinki University of Technology, PO Box 2200, FI-02015 TKK, Finland)

  • Anssi Salmela

    (Low Temperature Laboratory, Helsinki University of Technology, PO Box 2200, FI-02015 TKK, Finland)

  • Alexander Sebedash

    (Low Temperature Laboratory, Helsinki University of Technology, PO Box 2200, FI-02015 TKK, Finland)

Abstract

Lithium acting naturally Superconductivity occurs in most metals at low temperatures. Some simple systems, however, appear to disfavour this state. An intriguing example is lithium metal. Compressed lithium superconducts at up to 20 K, one of the highest transition temperatures for an element. Natural lithium appeared not to act as a superconductor, but now superconductivity has been observed at ambient pressure in natural lithium with an extremely low transition temperature of 0.4 millikelvin. This means that lithium could be useful for the study of superconductivity, as its simplicity makes it well suited to theoretical investigations.

Suggested Citation

  • Juha Tuoriniemi & Kirsi Juntunen-Nurmilaukas & Johanna Uusvuori & Elias Pentti & Anssi Salmela & Alexander Sebedash, 2007. "Superconductivity in lithium below 0.4 millikelvin at ambient pressure," Nature, Nature, vol. 447(7141), pages 187-189, May.
    • Handle: RePEc:nat:nature:v:447:y:2007:i:7141:d:10.1038_nature05820
    DOI: 10.1038/nature05820
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