Anisotropic superconductivity induced by periodic multiferroic domain patterns

Yen Lin Huang, Bo Chao Huang, Yan Ting Wang, Fei Xue, Jheng Cyuan Lin, Heng Jui Liu, Rong Huang, Jiunn Yuan Lin, Chia Seng Chang, Long Qing Chen, Ya Ping Chiu, Ying Hao Chu*

*此作品的通信作者

    研究成果: Article同行評審

    3 引文 斯高帕斯(Scopus)

    摘要

    The competition between order parameters, such as ferroelectricity, ferromagnetism, and superconductivity, is one of the most fascinating topics in condensed matter physics. Here, we report intriguing anisotropic superconductivity in YBa2Cu3O7 − x films induced by a multiferroic, BiFeO3, with periodic domain patterns. The anisotropic superconductivity was investigated by transport measurements and supported by phase-field simulations, and then the detailed local electronic structures were revealed by cross-sectional scanning tunneling microscopy. We found that the oxygen redistribution in YBa2Cu3O7 − x modulated by the ferroelectric polarization in BiFeO3 was the key mechanism driving this anisotropic superconductivity. The presented heteroarchitecture of a high-temperature superconductor and a domain-engineered multiferroic provides a new approach to tune superconductivity and offers potential advantages for the design of future multifunctional devices.

    原文English
    文章編號73
    頁數8
    期刊NPG Asia Materials
    11
    發行號1
    DOIs
    出版狀態Published - 6 十二月 2019

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