Fantastic Behavior of High-TC Superconductor Junctions: Tunable Superconductivity

Yuansha Chen; Yan Zhang; Guijun Lian; Guangcheng Xiong

doi:10.1088/0256-307X/26/1/017305

Fantastic Behavior of High-TC Superconductor Junctions: Tunable Superconductivity

Superconductivity 2009-11-13 v1 Strongly Correlated Electrons

Authors: Yuansha Chen , Yan Zhang , Guijun Lian , Guangcheng Xiong

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Abstract

Carrier injection performed in oxygen-deficient YBa2Cu3O7(YBCO) hetero-structure junctions exhibited tunable resistance that was entirely different with behaviors of semiconductor devices. Tunable superconductivity in YBCO junctions, increasing over 20 K in transition temperature, has achieved by using electric processes. To our knowledge, this is the first observation that intrinsic property of high TC superconductors superconductivity can be adjusted as tunable functional parameters of devices. The fantastic phenomenon caused by carrier injection was discussed based on a proposed charge carrier self-trapping model and BCS theory.

Keywords

superconductivity high-temperature superconductivity superconducting tunnel junctions

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@article{arxiv.0901.0594,
  title  = {Fantastic Behavior of High-TC Superconductor Junctions: Tunable Superconductivity},
  author = {Yuansha Chen and Yan Zhang and Guijun Lian and Guangcheng Xiong},
  journal= {arXiv preprint arXiv:0901.0594},
  year   = {2009}
}

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5 pages, 4 figures

Fantastic Behavior of High-TC Superconductor Junctions: Tunable Superconductivity

Abstract

Keywords

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