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

4 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(從 - 到)1-8
頁數8
期刊NPG Asia Materials
11
發行號1
DOIs
出版狀態Published - 6 12月 2019

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