In-material physical computing based on reconfigurable microwire arrays via halide-ion segregation

Abstract Conventional computer systems based on the Von Neumann architecture rely on silicon transistors with binary states for information representation and processing. However, exploiting emerging materials’ intrinsic physical properties and dynamic behaviors offers a promising pathway for develo...

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Main Authors: Dengji Li, Pengshan Xie, Yuekun Yang, Yunfan Wang, Changyong Lan, Yiyang Wei, Jiachi Liao, Bowen Li, Zenghui Wu, Quan Quan, Yuxuan Zhang, You Meng, Mingqi Ding, Yan Yan, Yi Shen, Weijun Wang, Sai-Wing Tsang, Shi-Jun Liang, Feng Miao, Johnny C. Ho
Format: Article
Language:English
Published: Nature Portfolio 2025-07-01
Series:Nature Communications
Online Access:https://doi.org/10.1038/s41467-025-60530-w
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author Dengji Li
Pengshan Xie
Yuekun Yang
Yunfan Wang
Changyong Lan
Yiyang Wei
Jiachi Liao
Bowen Li
Zenghui Wu
Quan Quan
Yuxuan Zhang
You Meng
Mingqi Ding
Yan Yan
Yi Shen
Weijun Wang
Sai-Wing Tsang
Shi-Jun Liang
Feng Miao
Johnny C. Ho
author_facet Dengji Li
Pengshan Xie
Yuekun Yang
Yunfan Wang
Changyong Lan
Yiyang Wei
Jiachi Liao
Bowen Li
Zenghui Wu
Quan Quan
Yuxuan Zhang
You Meng
Mingqi Ding
Yan Yan
Yi Shen
Weijun Wang
Sai-Wing Tsang
Shi-Jun Liang
Feng Miao
Johnny C. Ho
author_sort Dengji Li
collection DOAJ
description Abstract Conventional computer systems based on the Von Neumann architecture rely on silicon transistors with binary states for information representation and processing. However, exploiting emerging materials’ intrinsic physical properties and dynamic behaviors offers a promising pathway for developing next-generation brain-inspired neuromorphic hardware. Here, we introduce a stable and controllable photoelectricity-induced halide-ion segregation effect in epitaxially grown mixed-halide perovskite CsPbBr1.5I1.5 microwire networks on mica, as confirmed by various in-situ measurements. The dynamic segregation and recovery processes show the reconfigurable, self-powered photoresponse, enabling non-volatile light information storage and precise modulation of optoelectronic properties. Furthermore, our microwire array successfully addressed a typical graphical neural network problem and an image restoration task without external circuits, underscoring the potential of in-material dynamics to achieve highly parallel and energy-efficient physical computing in the post-Moore era.
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institution Kabale University
issn 2041-1723
language English
publishDate 2025-07-01
publisher Nature Portfolio
record_format Article
series Nature Communications
spelling doaj-art-7da029eb73be474cafff7b4ee8db7ea32025-08-20T03:45:35ZengNature PortfolioNature Communications2041-17232025-07-0116111010.1038/s41467-025-60530-wIn-material physical computing based on reconfigurable microwire arrays via halide-ion segregationDengji Li0Pengshan Xie1Yuekun Yang2Yunfan Wang3Changyong Lan4Yiyang Wei5Jiachi Liao6Bowen Li7Zenghui Wu8Quan Quan9Yuxuan Zhang10You Meng11Mingqi Ding12Yan Yan13Yi Shen14Weijun Wang15Sai-Wing Tsang16Shi-Jun Liang17Feng Miao18Johnny C. Ho19Department of Materials Science and Engineering, City University of Hong KongDepartment of Materials Science and Engineering, City University of Hong KongInstitute of Brain-Inspired Intelligence, National Laboratory of Solid State Microstructures, School of Physics, Collaborative Innovation Center of Advanced Microstructures, Nanjing UniversityDepartment of Materials Science and Engineering, City University of Hong KongState Key Laboratory of Electronic Thin Films and Integrated Devices, University of Electronic Science and Technology of ChinaState Key Laboratory of Electronic Thin Films and Integrated Devices, University of Electronic Science and Technology of ChinaDepartment of Materials Science and Engineering, City University of Hong KongDepartment of Materials Science and Engineering, City University of Hong KongDepartment of Materials Science and Engineering, City University of Hong KongDepartment of Materials Science and Engineering, City University of Hong KongDepartment of Materials Science and Engineering, City University of Hong KongDepartment of Materials Science and Engineering, City University of Hong KongDepartment of Materials Science and Engineering, City University of Hong KongDepartment of Materials Science and Engineering, City University of Hong KongDepartment of Materials Science and Engineering, City University of Hong KongDepartment of Materials Science and Engineering, City University of Hong KongDepartment of Materials Science and Engineering, City University of Hong KongInstitute of Brain-Inspired Intelligence, National Laboratory of Solid State Microstructures, School of Physics, Collaborative Innovation Center of Advanced Microstructures, Nanjing UniversityInstitute of Brain-Inspired Intelligence, National Laboratory of Solid State Microstructures, School of Physics, Collaborative Innovation Center of Advanced Microstructures, Nanjing UniversityDepartment of Materials Science and Engineering, City University of Hong KongAbstract Conventional computer systems based on the Von Neumann architecture rely on silicon transistors with binary states for information representation and processing. However, exploiting emerging materials’ intrinsic physical properties and dynamic behaviors offers a promising pathway for developing next-generation brain-inspired neuromorphic hardware. Here, we introduce a stable and controllable photoelectricity-induced halide-ion segregation effect in epitaxially grown mixed-halide perovskite CsPbBr1.5I1.5 microwire networks on mica, as confirmed by various in-situ measurements. The dynamic segregation and recovery processes show the reconfigurable, self-powered photoresponse, enabling non-volatile light information storage and precise modulation of optoelectronic properties. Furthermore, our microwire array successfully addressed a typical graphical neural network problem and an image restoration task without external circuits, underscoring the potential of in-material dynamics to achieve highly parallel and energy-efficient physical computing in the post-Moore era.https://doi.org/10.1038/s41467-025-60530-w
spellingShingle Dengji Li
Pengshan Xie
Yuekun Yang
Yunfan Wang
Changyong Lan
Yiyang Wei
Jiachi Liao
Bowen Li
Zenghui Wu
Quan Quan
Yuxuan Zhang
You Meng
Mingqi Ding
Yan Yan
Yi Shen
Weijun Wang
Sai-Wing Tsang
Shi-Jun Liang
Feng Miao
Johnny C. Ho
In-material physical computing based on reconfigurable microwire arrays via halide-ion segregation
Nature Communications
title In-material physical computing based on reconfigurable microwire arrays via halide-ion segregation
title_full In-material physical computing based on reconfigurable microwire arrays via halide-ion segregation
title_fullStr In-material physical computing based on reconfigurable microwire arrays via halide-ion segregation
title_full_unstemmed In-material physical computing based on reconfigurable microwire arrays via halide-ion segregation
title_short In-material physical computing based on reconfigurable microwire arrays via halide-ion segregation
title_sort in material physical computing based on reconfigurable microwire arrays via halide ion segregation
url https://doi.org/10.1038/s41467-025-60530-w
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