globalchange  > 气候变化与战略
DOI: 10.1016/j.scib.2020.05.013
论文题名:
A selective control of volatile and non-volatile superconductivity in an insulating copper oxide via ionic liquid gating
作者: Wei X.; Li H.-B.; Zhang Q.; Li D.; Qin M.; Xu L.; Hu W.; Huan Q.; Yu L.; Miao J.; Yuan J.; Zhu B.; Kusmartseva A.; Kusmartsev F.V.; Silhanek A.V.; Xiang T.; Yu W.; Lin Y.; Gu L.; Yu P.; Chen Q.; Jin K.
刊名: Science Bulletin
ISSN: 20959273
出版年: 2020
卷: 65, 期:19
起始页码: 1607
结束页码: 1613
语种: 英语
中文关键词: Electron-doped copper oxide ; Ionic liquid gating ; Parent cuprate ; Superconducting thin film ; Volatile and non-volatile superconductivity
英文关键词: Electric fields ; Flexible electronics ; High temperature superconductors ; Ionic liquids ; Phase transitions ; Praseodymium compounds ; Semiconductor doping ; Transmission electron microscopy ; Carrier doping ; High resolution scanning ; High Tc superconductors ; In-situ X-ray diffraction ; Quantum phase transitions ; Selective control ; Superconducting electronics ; Superconducting state ; Copper oxides
英文摘要: Manipulating the superconducting states of high transition temperature (high-Tc) cuprate superconductors in an efficient and reliable way is of great importance for their applications in next-generation electronics. Here, employing ionic liquid gating, a selective control of volatile and non-volatile superconductivity is achieved in pristine insulating Pr2CuO4±δ (PCO) films, based on two distinct mechanisms. Firstly, with positive electric fields, the film can be reversibly switched between superconducting and non-superconducting states, attributed to the carrier doping effect. Secondly, the film becomes more resistive by applying negative bias voltage up to − 4 V, but strikingly, a non-volatile superconductivity is achieved once the gate voltage is removed. Such phenomenon represents a distinctive route of manipulating superconductivity in PCO, resulting from the doping healing of oxygen vacancies in copper-oxygen planes as unravelled by high-resolution scanning transmission electron microscope and in situ X-ray diffraction experiments. The effective manipulation of volatile/non-volatile superconductivity in the same parent cuprate brings more functionalities to superconducting electronics, as well as supplies flexible samples for investigating the nature of quantum phase transitions in high-Tc superconductors. © 2020 Science China Press
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资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/170087
Appears in Collections:气候变化与战略

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作者单位: Beijing National Laboratory for Condensed Matter Physics, Institute of Physics, Chinese Academy of Sciences, Beijing, 100190, China; School of Physical Sciences, University of Chinese Academy of Sciences, Beijing, 100049, China; State Key Laboratory of Low Dimensional Quantum Physics and Department of Physics, Tsinghua University, Beijing, 100084, China; State Key Laboratory for Advanced Metals and Materials, School of Materials Science and Engineering, University of Science and Technology Beijing, Beijing, 100083, China; Songshan Lake Materials Laboratory, Dongguan, 523808, China; Department of Physics, Loughborough University, LE11 3TU Loughborough, United Kingdom; Experimental Physics of Nanostructured Materials, Q-MAT, CESAM, Université de Liège, B-4000 Sart Tilman, Belgium; Department of Physics, Renmin University of China, Beijing, 100872, China; State Key Laboratory of Electronic Thin Films and Integrated Devices, & Center for Information in Medicine, University of Electronic Science and Technology of China, Chengdu, 610054, China

Recommended Citation:
Wei X.,Li H.-B.,Zhang Q.,et al. A selective control of volatile and non-volatile superconductivity in an insulating copper oxide via ionic liquid gating[J]. Science Bulletin,2020-01-01,65(19)
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