期刊
PHYSICAL REVIEW B
卷 81, 期 23, 页码 -出版社
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevB.81.235318
关键词
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资金
- Australian Research Council
- Australian Government
- U.S. National Security Agency (NSA)
- U.S. Army Research Office (ARO) [W911NF-08-1-0527]
- LPS [W911NF-08-1-0482]
We investigate a hybrid structure consisting of a small number of implanted P-31 atoms close to a gate-induced silicon single electron transistor (SiSET). In this configuration, the SiSET is extremely sensitive to the charge state of the nearby centers, turning from the off state to the conducting state when the charge configuration is changed. We present a method to measure fast electron tunnel rates between donors and the SiSET island, using a pulsed voltage scheme and low-bandwidth current detection. The experimental findings are quantitatively discussed using a rate equation model, enabling the extraction of the capture and emission rates.
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