Electric field control of superconductivity at the LaAlO 3 /KTaO 3 (111) interface-Reference-Cited by-同舟云学术

Electric field control of superconductivity at the LaAlO 3 /KTaO 3 (111) interface

Published:2021-05-14 Issue:6543 Volume:372 Page:721-724
ISSN:0036-8075
Container-title:Science
language:en
Short-container-title:Science

Author:

Chen Zheng¹^ORCID,Liu Yuan¹^ORCID,Zhang Hui²^ORCID,Liu Zhongran³,Tian He³^ORCID,Sun Yanqiu¹^ORCID,Zhang Meng¹^ORCID,Zhou Yi⁴⁵⁶^ORCID,Sun Jirong⁴⁵⁷^ORCID,Xie Yanwu¹⁸^ORCID

Affiliation:

1. Interdisciplinary Center for Quantum Information, State Key Laboratory of Modern Optical Instrumentation, and Zhejiang Province Key Laboratory of Quantum Technology and Device, Department of Physics, Zhejiang University, Hangzhou 310027, China.

2. School of Integrated Circuit Science and Engineering, Beihang University, Beijing, 100191, China.

3. Center of Electron Microscope, State Key Laboratory of Silicon Materials, School of Materials Science and Engineering, Zhejiang University, Hangzhou, 310027, China.

4. Beijing National Laboratory for Condensed Matter Physics and Institute of Physics, Chinese Academy of Sciences, Beijing 100190, China.

5. Songshan Lake Materials Laboratory, Dongguan, Guangdong 523808, China.

6. Kavli Institute for Theoretical Sciences and CAS Center for Excellence in Topological Quantum Computation, University of Chinese Academy of Sciences, Beijing 100190, China.

7. School of Physical Sciences, University of Chinese Academy of Sciences, Beijing 100049, China

8. Collaborative Innovation Center of Advanced Microstructures, Nanjing University, Nanjing 210093, China.

Abstract

Controlling interfacial superconductivity The interface between the oxides LaAlO 3 and KTaO 3 (111) has been shown to superconduct at temperatures up to 2 Kelvin. Chen et al. show that this superconductivity can be controlled with electric fields. As they tuned the gating voltage, the researchers observed a dome-shaped variation of the superconducting critical temperature. This variation could not be ascribed to the change in carrier density, but rather seemed to reflect the change in the mobility of the carriers. Science , this issue p. 721

Funder

National Natural Science Foundation of China

Strategic Priority Research Program of Chinese Academy of Sciences

Publisher

American Association for the Advancement of Science (AAAS)

Subject

Multidisciplinary

Reference39 articles.

1. Electric field control of the LaAlO3/SrTiO3 interface ground state

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4. Discovery of superconductivity in KTaO3 by electrostatic carrier doping

5. Unconventional superconductivity in magic-angle graphene superlattices

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