Radio-frequency reflectometry on an undoped AlGaAs/GaAs single electron transistor
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Radio frequency reflectometry is demonstrated in a sub-micron undoped AlGaAs/GaAs device. Undoped single electron transistors (SETs) are attractive candidates to study single electron phenomena, due to their charge stability and robust electronic properties after thermal cycling. However, these devices require a large top-gate, which is unsuitable for the fast and sensitive radio frequency reflectometry technique. Here, we demonstrate that rf reflectometry is possible in an undoped SET.
|Journal||Applied Physics Letters|
|Number of pages||3|
|Publication status||Published - 6 Jan 2014|