控制金属有机框架的记忆行为作为一个有前途的记忆设备
Lei Li1,2
1HLJ Province Key Laboratories of Senior-Education for Electronic Engineering, Heilongjiang University, Harbin 150080, China.
Nanomaterials (Basel, Switzerland)
|October 27, 2023
概括
金属有机框架 (MOF) 与氧化石墨烯相结合,可以创建新的三元记忆器件. 这些Mg-MOF-74@GO复合材料能够存储多位数据,具有卓越的保留能力和可靠性,用于先进的计算.
科学领域:
- 材料科学 材料科学 材料科学
- 纳米技术纳米技术
- 电子工程 电子工程
背景情况:
- 金属有机框架 (MOFs) 在感应,催化和计算方面表现有前途,这是由于可访问的表面站点.
- 氧化石墨烯 (GO) 是一种具有独特电子性能的多功能材料.
- 与二进制系统相比,三进制内存设备提供了增强的数据存储功能.
研究的目的:
- 使用Mg-MOF-74和石墨烯氧化物复合材料 (Mg-MOF-74@GO) 制造和研究三元记忆器件.
- 探索这些新型复合材料的多位数据存储性能和记忆行为.
- 了解基于Mg-MOF-74@GO的内存设备的结构修改和操作机制.
主要方法:
- 制造使用Mg-MOF-74@GO作为活性层的电阻随机访问存储器 (RRAM) 设备.
- 三元记忆行为的表征,包括SET电压,电阻比率 (RHRS/RIRS/RLRS),保留和可靠性.
- 使用X射线衍射 (XRD) 和拉曼光谱学的结构分析,以了解GO在Mg-MOF-74中的作用.
- 对充电捕捉辅助跳跃机制的调查.
主要成果:
- Mg-MOF-74@GO复合膜显示了适合多位数据存储的三元记忆行为.
- 制造的RRAM设备具有较低的SET电压和高的电阻比率 (10:3:10:2:1).
- 实现了卓越的数据保留 (>104s) 和可靠性 (>102周期).
- 结构分析证实了GO介导的特性,其中键和GO中的缺陷影响了记忆性行为.
结论:
- Mg-MOF-74@GO复合材料是构建三元记忆器件的有效活性材料.
- 通过GO介导的三元记忆特性使多位数据存储的可控阻力状态成为可能.
- 电荷陷辅助跳跃是拟议的机制,得到实验证据的支持.
- 这些发现凸显了GO介导的MOF复合材料在超高密度信息存储和内存计算方面的潜力.
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