制作
闪烁噪声
晶体管
噪音(视频)
基质(水族馆)
光电子学
材料科学
库仑阻塞
电荷(物理)
电子
纳米技术
电气工程
计算机科学
物理
CMOS芯片
放大器
电压
噪声系数
工程类
地质学
替代医学
人工智能
图像(数学)
海洋学
病理
量子力学
医学
作者
Mohammad Istiaque Rahaman,Gergo P. Szakmany,Alexei O. Orlov,Gregory L. Snider
摘要
Charge sensing applications utilizing single electron transistors (SETs) as electrometers face challenges due to nearby background charge movements. In this study, we present an innovative fabrication method for creating suspended Al-AlOx-Al SETs positioned above a cavity. These suspended SETs exhibit significantly reduced flicker noise with 1fα noise spectral density when compared to their substrate-based counterparts. This noise reduction can be attributed to the elimination of the substrate beneath the SET island. Consequently, our fabricated suspended SETs are highly suitable for demanding charge sensing applications and provide a promising platform for in-depth investigations into the sources of charge noise in such devices.
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