在纳米尺度过渡金属氧化物片中实验和理论研究多纤维电阻切换
Mikhail I Fedotov1, Ekaterina V Klyukina2, Aleksandr S Vankaev3
1Institute of Microelectronics Technology and High-Purity Materials of Russian Academy of Sciences, 6, Academician Osip'yan Str., 142432 Chernogolovka, Moscow Region, Russian Federation.
ACS omega
|September 29, 2025
概括
金属氧化物电阻随机访问存储器 (RRAM) 显示了神经形态计算的前景. 这项研究表明,多重导电丝会导致变性问题,阻碍大规模应用.
科学领域:
- 材料科学 材料科学 材料科学
- 电气工程 电气工程
- 计算机科学 计算机科学
背景情况:
- 金属氧化物电阻随机访问存储器 (RRAM) 对于像神经形态系统这样的下一代电子设备至关重要.
- RRAM提供了可扩展性,非挥发性和高速,模仿生物突触.
- RRAM性能的变化限制了其在大规模应用中的使用.
研究的目的:
- 调查导致金属氧化物RRAM变化的基本问题.
- 了解影响RRAM性能的介电层内的物理过程.
- 为了确定RRAM中循环到循环和细胞到细胞变化的根本原因.
主要方法:
- 对RRAM设备物理学的理论建模.
- 金属氧化物RRAM设备的实验性表征.
- 导电丝的形成和行为的分析.
主要成果:
- 在RRAM中,内在和外在的变化都与多重导电丝的形成有关.
- 了解发光线的形成是缓解RRAM性能不一致性的关键.
- 该研究提供了对控制RRAM切换的物理机制的见解.
结论:
- 多重导电丝的形成被确定为金属氧化物RRAM变异的主要原因.
- 解决光线动态对于推进用于神经形态计算和大规模内存的RRAM技术至关重要.
- 这项研究为更可靠和可扩展的RRAM设备铺平了道路.
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