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説明:

Owing to the evolution of data-driven technologies, including the large language models, generative artificial intelligence, autonomous driving, and the internet of things requires advanced memory technology. However, conventional memory device structures and fabrication process have significant limitations for high-density integration. Herein, this study reports the monolithically-integrated 1-selector and 1-resistive (1S1R) synaptic memory in van der Waals (vdW) heterostructure, which overcomes the conventional limitations of device integration technologies. Single-step direct synthesis of vdW heterostructure and its corresponding 1S1R cell is fabricated via plasma-enhanced lattice-distortion. Scanning-transmission electron microscopy, and X-ray photoelectron spectroscopy are correlatively applied to observe the effects of plasma-enhanced nano-crystallization of bulk vdW VSe2. Furthermore, bipolar resistive switching dynamics have been spatially resolved with conductive atomic force microscopy. Furthermore, the artificial vdW heterostructure exhibits the synaptic functionality with interfacial charge accumulation at the 2D/3D interface, enabling linear weight updates across multiple resistance states with minimal nonlinearity. In conclusion, it envision that the monolithically-integrated 1S1R cell can offers a systematic device platform for next-generation vdW electronics and its corresponding monolithic 3D integration.

権利情報:

• Creative Commons BY Attribution 4.0 International
  

キーワード: synaptic memory
, van der Waals heterostructure, nano-crystallization

刊行年月日: 2025-08-26

出版者: Wiley

掲載誌:

• Advanced Science (ISSN: 21983844) vol. 12 issue. 43 e10961

研究助成金:

• Institute for Basic Science IBS‐R027‐D1
• Ministry of Trade, Industry and Energy 1415187508
• Ministry of Trade, Industry and Energy 1415187508
• Ministry of Trade, Industry and Energy 1415187584
• National Research Foundation
• National Research Foundation of Korea RS‐2024‐00437142
• Korea Semiconductor Research Consortium RS‐2023‐00235156
• Ministry of Trade, Industry and Energy 1415187508
• Ministry of Trade, Industry and Energy 1415187508
• Ministry of Trade, Industry and Energy 1415187584

原稿種別: 出版者版 (Version of record)

MDR DOI:

公開URL: https://doi.org/10.1002/advs.202510961

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更新時刻: 2026-04-03 14:54:05 +0900

MDRでの公開時刻: 2026-04-03 16:27:42 +0900