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. 2021 Aug 20;13:183. doi: 10.1007/s40820-021-00710-7

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© The Author(s) 2021

Open AccessThis article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons licence, and indicate if changes were made. The images or other third party material in this article are included in the article's Creative Commons licence, unless indicated otherwise in a credit line to the material. If material is not included in the article's Creative Commons licence and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this licence, visit http://creativecommons.org/licenses/by/4.0/.

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Fig. 13 — Superconductivity characteristic of metal carbides. a Superconductivity characteristic of Mo₂C flakes with different thickness.

Reproduced with permission from Ref. [90]. Copyright 2015, Springer Nature. b Typical dc Josephson response of Mo₂C/graphene/Mo₂C junction taken at different temperatures. Reproduced with permission from Ref. [95]. Copyright 2017, American Chemical Society. c Superconductivity characteristic of NbC flakes. Reproduced with permission from Ref. [211]. Copyright 2020, American Physical Society