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. 2023 Nov 7;14:7181. doi: 10.1038/s41467-023-42240-3

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© The Author(s) 2023

Open Access This 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 license, and indicate if changes were made. The images or other third party material in this article are included in the article’s Creative Commons license, unless indicated otherwise in a credit line to the material. If material is not included in the article’s Creative Commons license 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 license, visit http://creativecommons.org/licenses/by/4.0/.

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Fig. 2 — a Schematic of a biological synapse. b AS that uses ZTO fibers. c aEPSC of ZTO-3:7 AS triggered by a single spike. d, e SEM images of ZTO-3:7 fibers array (d) and a single fiber (e). f Cross-sectional analysis of a single ZTO-3:7 fiber. Inset: AFM image of a single ZTO-3:7 fiber. g HRTEM image of ZTO-3:7 fibers. Inset: SAED pattern of ZTO-3:7 fibers. h XRD pattern of ZTO-3:7 fibers. i O 1 s XPS spectra of ZTO-3:7 fibers. j, k Visible-range transmittance (j) and haze (k) of ZTO-3:7 fibers with different patterns and pitch sizes. Inset: OM images of the ZTO fibers. l Transmittance (at wavelength 550 nm) versus haze for ZTO-3:7 fibers and other materials. m Optimized structure of ZTO-3:7 fibers. n Energy band structure of ZTO-3:7 fibers. o DOS of ZTO-3:7 fibers. The Fermi level is set to zero.