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Two-dimensional normal-state quantum oscillations in a superconducting heterostructure

Author

Listed:
  • Y. Kozuka

    (University of Tokyo, Kashiwa, Chiba 277-8561, Japan)

  • M. Kim

    (University of Tokyo, Kashiwa, Chiba 277-8561, Japan)

  • C. Bell

    (University of Tokyo, Kashiwa, Chiba 277-8561, Japan
    Japan Science and Technology Agency, Kawaguchi, Saitama 332-0012, Japan)

  • B. G. Kim

    (University of Tokyo, Kashiwa, Chiba 277-8561, Japan
    Pusan National University)

  • Y. Hikita

    (University of Tokyo, Kashiwa, Chiba 277-8561, Japan)

  • H. Y. Hwang

    (University of Tokyo, Kashiwa, Chiba 277-8561, Japan
    Japan Science and Technology Agency, Kawaguchi, Saitama 332-0012, Japan)

Abstract

The dope on superconducting semiconductors Heavily doped semiconductors can exhibit superconductivity, but their performance is severely limited by extremely large electronic disorder. Similarly, the electron mean free path in low-dimensional superconducting thin films is usually limited by interface scattering or atomic-scale disorder. Kozuka et al. use niobium doping to fabricate a high-quality, two-dimensional superconducting layer within a thin-film heterostructure based on the first known superconducting semiconductor, SrTiO3. This should provide a model system in which to explore the quantum transport and interplay of both superconducting and normal electrons.

Suggested Citation

  • Y. Kozuka & M. Kim & C. Bell & B. G. Kim & Y. Hikita & H. Y. Hwang, 2009. "Two-dimensional normal-state quantum oscillations in a superconducting heterostructure," Nature, Nature, vol. 462(7272), pages 487-490, November.
    • Handle: RePEc:nat:nature:v:462:y:2009:i:7272:d:10.1038_nature08566
    DOI: 10.1038/nature08566
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    Cited by:

    1. Xiaoyang Chen & Tianlun Yu & Yuan Liu & Yanqiu Sun & Minyinan Lei & Nan Guo & Yu Fan & Xingtian Sun & Meng Zhang & Fatima Alarab & Vladimir N. Strocov & Yilin Wang & Tao Zhou & Xinyi Liu & Fanjin Lu &, 2024. "Orientation-dependent electronic structure in interfacial superconductors LaAlO3/KTaO3," Nature Communications, Nature, vol. 15(1), pages 1-9, December.

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