한빛사 논문
Min-Kyu Song1, Seok Daniel Namgung2, Daehwan Choi1, Hyeohn Kim2, Hongmin Seo2, Misong Ju2, Yoon Ho Lee2, Taehoon Sung1, Yoon-Sik Lee3, Ki Tae Nam2,* & Jang-Yeon Kwon1,*
1School of Integrated Technology, Yonsei University, Incheon 21983, Republic of Korea. 2Department of Materials Science and Engineering, Seoul National University, Seoul 08826, Republic of Korea.
3School of Chemical and Biological Engineering, Nano Systems Institute, Seoul National University, Seoul 08826, Republic of Korea.
*Corresponding author
Abstract
The process of memory and learning in biological systems is multimodal, as several kinds of input signals cooperatively determine the weight of information transfer and storage. This study describes a peptide-based platform of materials and devices that can control the coupled conduction of protons and electrons and thus create distinct regions of synapse-like performance depending on the proton activity. We utilized tyrosine-rich peptide-based films and generalized our principles by demonstrating both memristor and synaptic devices. Interestingly, even memristive behavior can be controlled by both voltage and humidity inputs, learning and forgetting process in the device can be initiated and terminated by protons alone in peptide films. We believe that this work can help to understand the mechanism of biological memory and lay a foundation to realize a brain-like device based on ions and electrons.
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TOP52020년 후보
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