4.2 K sensitivity-tunable radio frequency reflectometry of a physically defined p-channel silicon quantum dot

4.2 K sensitivity-tunable radio frequency reflectometry of a physically defined p-channel silicon quantum dot

Abstract We demonstrate the measurement of p-channel silicon-on-insulator quantum dots at liquid helium temperatures by using a radio frequency (rf) reflectometry circuit comprising of two independently tunable GaAs varactors. This arrangement allows observing Coulomb diamonds at 4.2 K under nearly...

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Autores principales: Sinan Bugu, Shimpei Nishiyama, Kimihiko Kato, Yongxun Liu, Shigenori Murakami, Takahiro Mori, Thierry Ferrus, Tetsuo Kodera
Formato: article
Lenguaje:EN
Publicado: Nature Portfolio 2021
Materias:
Medicine
R
Science
Q
Acceso en línea:https://doaj.org/article/f7088c220e734d0da88ca46bb64b8f95
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