基于MAPbI3的Memristor结构的矿的调整运输路径
Uyen Tu Thi Doan1,2,3, Duy Khanh Le1,2, Truong Lam Huynh1,2
1Faculty of Materials Science and Technology, University of Science, Ho Chi Minh City, 70000, Vietnam.
概括
这项研究探讨了具有Cr/MAPbI3/FTO结构的电阻随机访问存储器 (RRAM). 研究人员发现,控制扫描电压和循环可以通过管理导电丝形成和电荷传输机制来调节电阻切换行为.
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:
- 电阻随机访问存储器 (RRAM) 提供了有前途的非易失性存储器解决方案.
- 了解基于矿的RRAM中的切换机制对于设备优化至关重要.
- 现有的RRAM结构往往涉及复杂的制造或有限的捕能力.
研究的目的:
- 为了研究一个简单的Cr/MAPbI3/FTO RRAM设备的电阻切换 (RS) 特性.
- 阐明了控制在不同电刺激下观察到的RS行为的基本机制.
- 展示一种用于控制RRAM中的收费运输路径的新方法.
主要方法:
- 制造一个三层Cr/MAPbI3/FTO设备结构.
- 在一系列扫描电压 (0.5-5V) 中对设备性能进行表征.
- 分析电阻切换动态,包括方向变化和传导机制.
主要成果:
- 该 Cr/MAPbI3/FTO 装置表现出明显的电阻切换行为,受扫描电压和循环的影响.
- 观察到SET/RESET过程的电压依赖的方向转换.
- 导电机制在欧米,空间电荷有限导电 (SCLC) 和可变范围跳跃 (VRH) 之间进行过渡.
结论:
- 观察到的RS行为归因于矿中的离子迁移和电极的电化学金属化之间的相互作用.
- 电荷传输路径和RS调制可以通过调整偏向电压和扫描周期来控制.
- 这项研究提供了一个新的策略,通过对其切换机制的基本理解来调整RRAM性能.
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