生物启发的光传感人工突触基于功能化的多绳用于神经形态计算
Adila Rani1, M Junaid Sultan2, Wanqi Ren1
1Electrical Engineering, Korea University, Anam-ro 145, Seongbuk-gu, Seoul, 02841, Republic of Korea.
Small (Weinheim an der Bergstrasse, Germany)
|March 13, 2024
概括
新的基于的纳米材料TeSOx和TeSeOx显示出出色的光学人工突触特性. 这些材料显示出低功耗,高保留神经系统应用和光学神经形态计算的前景.
科学领域:
- 材料科学 材料科学 材料科学
- 纳米技术 纳米技术
- 神经科学是一个神经科学.
背景情况:
- 石墨烯和过渡金属二甲基二甲基化物是人工光传感突触的领先候选者.
- 基于 (Te) 的纳米材料由于其内在的带隙限制,在这些应用中尚未得到充分的探索.
研究的目的:
- 研究氧化硫 (TeSOx) 和氧化 (TeSeOx) 新型纳米材料的光突触特性.
- 评估它们在光学人工突触应用和神经形态计算方面的潜力.
主要方法:
- 通过蒸汽沉积制造TeSOx和TeSeOx纳米材料,将S和Se纳入Te多绳.
- 在各种光学刺激 (紫外线,紫外线视光) 下,它们的光突触反应的表征.
- 基于这些纳米材料的晶体管设备的制造和测试.
主要成果:
- 在光学刺激下,TeSOx和TeSeOx多环表现出可控制的时间动态,与纯Te不同.
- TeSeOx设备显示光传感突触对紫外线 (365,565,660 nm) 的反应,具有很高的响应能力 (1500 AW-1在365 nm).
- 经过证明的低电压 (1V) 和低光强度 (21μW cm-2) 操作,结合光探测器和光学突触功能.
结论:
- 与联的TeSOx和TeSeOx纳米材料与纯Te相比,具有优越的光突触特性.
- 这些材料对开发低功耗,高保留率的光学人工突触非常有希望.
- 这些发现为在光学神经形态计算系统中实际实施铺平了道路.
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