稳定双极电阻开关在无 Cs2AgBiBr6 记忆管用于神经形态计算
Fanju Zeng1, Yongqian Tan1, Baofei Sun2
1New Storage and Intelligent Computing Laboratory, School of Big Data Engineering, Kaili University, Kaili 556011, Guizhou, China.
ACS omega
|August 11, 2025
概括
无Cs2AgBiBr6矿膜被合成为稳定的记忆器. 这些设备显示了高效,环保的神经形态计算和数据存储应用的前景.
科学领域:
- 材料科学 材料科学 材料科学
- 固态物理 固态物理
- 设备工程 设备工程
背景情况:
- 合物矿石广泛用于光电设备,但引起了毒性问题.
- 无双矿Cs2AgBiBr6提供了一个稳定的,无毒的替代品.
- 对于环保的光电和内存设备,需要取得进展.
研究的目的:
- 使用简化方法合成无Cs2AgBiBr6薄膜.
- 为了制造和描述基于Cs2AgBiBr6的记忆器.
- 评估Cs2AgBiBr6在神经形态计算和数据存储方面的潜力.
主要方法:
- 在干空手套箱中的FTO玻璃上涂上Cs2AgBiBr6薄膜.
- 使用Cs2AgBiBr6膜制造记忆器.
- 电阻切换行为,耐力,保留和稳定性的表征.
- 机器学习模拟来评估突触功能模拟.
主要成果:
- 合成了具有低粗度的均的Cs2AgBiBr6薄膜.
- 记忆器表现出稳定的双极电阻开关与低工作电压 (+0.4V, -0.3V).
- 实现了479的开/关比,1000个循环的耐力和10^4s的保留时间.
- 经过30天的环境储存后,已证明稳定的电阻比 (~441).
- 在模拟模拟突触功能的机器学习模拟中获得了91.39%的准确性.
结论:
- Cs2AgBiBr6是稳定和高效的memristors的一个可行的材料.
- 开发的合成方法很简单,避免使用抗溶剂或惰性气体.
- 基于Cs2AgBiBr6的记忆器显示了可持续的神经形态计算和信息存储的潜力.
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