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. 2022 Jan 29;13(2):228. doi: 10.3390/mi13020228

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© 2022 by the authors.

Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (https://creativecommons.org/licenses/by/4.0/).

PMC Copyright notice

(a) STM image of nanometer-scale quantum corrals structure. Reprinted with permission from Ref. [28]. Copyright 2022 American Physical Society. (b) A single-molecule junction switcher. Reprinted with permission from Ref. [30]. Copyright 2022 Springer Nature.