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Spin blockade and lifetime-enhanced transport in a few-electron Si/SiGe double quantum dot

✍ Scribed by Shaji, Nakul; Simmons, C. B.; Thalakulam, Madhu; Klein, Levente J.; Qin, Hua; Luo, H.; Savage, D. E.; Lagally, M. G.; Rimberg, A. J.; Joynt, R.

Book ID: 109945701
Publisher: Nature Publishing Group
Year: 2008
Tongue: English
Weight: 426 KB
Volume: 4
Category: Article
ISSN: 1745-2473
DOI: 10.1038/nphys988

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✍ Nakul Shaji; Christine B. Simmons; Levente J. Klein; Hua Qin; Donald E. Savage; 📂 Article 📅 2008 🏛 Elsevier Science 🌐 English ⚖ 556 KB

A few-electron quantum dot utilizing Schottky, metal top gates in a modulation doped Si/SiGe heterostructure was realized and nonlinear transport through the dot was studied. By carefully tuning the capacitively coupled gates, the single quantum dot was transformed into two tunnel-coupled quantum do