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一个1×1μm2超导基内存的单词和位线操作
Taras Golod1, Lise Morlet-Decarnin1, Vladimir M Krasnov2
1Department of Physics, Stockholm University, AlbaNova University Center, SE-10691, Stockholm, Sweden.
Nature communications
|August 15, 2023
概括
研究人员为数字超导计算机开发了小型,基于的超导记忆细胞. 优化的几何和组合线路操作使密集的,非挥发性的冷式随机访问存储器 (RAM) 成为可能.
科学领域:
- 超导电子产品的超导电子
- 低温计算硬件的冷计算硬件.
背景情况:
- 密集的随机访问存储器 (RAM) 是数字超导计算机的一个关键瓶.
- 基于的超导记忆细胞为高密度冷记忆提供了潜在的解决方案.
研究的目的:
- 实验性地研究基于的超导记忆电池的可扩展性和运行特性.
- 为了证明小型化,高性能超导存储器的可行性,用于数字计算应用.
主要方法:
- 将基于的超导存储器细胞缩小到亚微米大小.
- 实现不对称的轨道来设计旋运动和控制旋状态.
- 在1x1μm2单元格中详细分析单词和位行操作.
主要成果:
- 证明成功将细胞缩小到亚微米尺寸,证实了可扩展性.
- 通过工程不对称的轨道展示了可控制的旋状态操纵.
- 在零磁场下实现了高耐久性,非挥发性运行,并降低了词/比特线组合地址的值电流.
结论:
- 基于的超导存储电池是可扩展的,可以设计为可控操作.
- 证明的1x1μm2细胞性能是朝着密集的冷随机访问存储器 (RAM) 迈出的重要一步.
- 降低的值电流增强了单个细胞在多细胞阵列中的解决选择性,为实际的超导计算机铺平了道路.
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