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CONDUCTING OXIDE INTERFACES

2D hole gas seen

A p-type metallic sheet forms between two oxide insulators, LaAlO3 and SrTiO3. Suppression of oxygen vacancies in SrTiO3 plays a critical role in forming this sheet.

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References

  1. 1.

    Ohtomo, A. & Hwang, H. Y. Nature 427, 423–426 (2004).

  2. 2.

    Reyren, N. et al. Science 317, 1196–1199 (2007).

  3. 3.

    Brinkman, A. et al. Nat. Mater. 6, 493–496 (2007).

  4. 4.

    Nakagawa, N., Hwang, H. Y. & Muller, D. A. Nat. Mater. 5, 204–209 (2006).

  5. 5.

    Huijben, M. et al. Nat. Mater. 5, 556–560 (2006).

  6. 6.

    Pentcheva, R. et al. Phys. Rev. Lett. 104, 166804 (2010).

  7. 7.

    Lee, H. et al. Nat. Mater. https://doi.org/10.1038/s41563-017-0002-4(2018).

  8. 8.

    Chen, H., Kolpak, A. M. & Ismail-Beigi, S. Phys. Rev. B 79, 161402(R) (2009).

  9. 9.

    Kalabukhov, A. et al. Phys. Rev. B 75, 121404 (2007).

  10. 10.

    Chen, Y. Z. et al. Nat. Mater. 14, 801–806 (2015).

  11. 11.

    Trier, F. et al. Phys. Rev. Lett. 117, 096804 (2016).

  12. 12.

    Lozovik, Yu. E. & Yudson, V. I. Zh. Eksp. Teor. Fiz. 71, 738–753 (1976).

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Affiliations

  1. Department of Energy Conversion and Storage, Technical University of Denmark, Roskilde, Denmark

    • Yunzhong Chen
    •  & Nini Pryds

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Correspondence to Yunzhong Chen or Nini Pryds.