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An X-ray-induced insulator–metal transition in a magnetoresistive manganite

Author

Listed:
  • V. Kiryukhin

    (Princeton University)

  • D. Casa

    (Princeton University)

  • J. P. Hill

    (Brookhaven National Laboratory)

  • B. Keimer

    (Princeton University)

  • A. Vigliante

    (Brookhaven National Laboratory)

  • Y. Tomioka

    (Joint Research Center for Atom Technology (JRCAT))

  • Y. Tokura

    (Joint Research Center for Atom Technology (JRCAT)
    University of Tokyo)

Abstract

Manganese oxides of the general formula A1–xBxMnO3 (where A and B are trivalent and divalent cations, respectively) have recently attracted considerable attention by virtue of their unusual magnetic and electronic properties1–9. For example, in some of these materials magnetic fields can drive insulator-to-metal transitions where both the conductivity and magnetization change dramatically—an effect termed 'colossal magneto-resistance'1–3—raising hopes for application of these materials in the magnetic recording industry1–9. Here we show that in one such compound, Pr0.7Ca0.3MnO3, a transition from the insulating antiferromagnetic state to the metallic ferromagnetic state can be driven by illumination with X-rays at low temperatures (

Suggested Citation

  • V. Kiryukhin & D. Casa & J. P. Hill & B. Keimer & A. Vigliante & Y. Tomioka & Y. Tokura, 1997. "An X-ray-induced insulator–metal transition in a magnetoresistive manganite," Nature, Nature, vol. 386(6627), pages 813-815, April.
    • Handle: RePEc:nat:nature:v:386:y:1997:i:6627:d:10.1038_386813a0
    DOI: 10.1038/386813a0
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