Observation of the Kondo effect in a quadruple quantum dot
Publication
, Journal Article
Shang, R; Li, HO; Cao, G; Yu, G; Xiao, M; Tu, T; Guo, GC; Jiang, H; Chang, AM; Guo, GP
Published in: Physical Review B - Condensed Matter and Materials Physics
June 2, 2015
We investigate the Kondo effect in a quadruple-quantum-dot device of coupled double quantum dots (DQDs), which simultaneously contain intra-DQD and inter-DQD coupling. A variety of novel behaviors are observed. The differential conductance dI/dV is measured in the upper DQDs as a function of source drain bias. It is found to exhibit multiple peaks, including a zero-bias peak, where the number of peaks exceeds five. Alternatively, tuning the lower DQDs yielded regions of four peaks. In addition, a Kondo effect switcher is demonstrated, using the lower DQDs as the controller.
Duke Scholars
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Published In
Physical Review B - Condensed Matter and Materials Physics
DOI
EISSN
1550-235X
ISSN
1098-0121
Publication Date
June 2, 2015
Volume
91
Issue
24
Related Subject Headings
- Fluids & Plasmas
- 09 Engineering
- 03 Chemical Sciences
- 02 Physical Sciences
Citation
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Chicago
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Shang, R., Li, H. O., Cao, G., Yu, G., Xiao, M., Tu, T., … Guo, G. P. (2015). Observation of the Kondo effect in a quadruple quantum dot. Physical Review B - Condensed Matter and Materials Physics, 91(24). https://doi.org/10.1103/PhysRevB.91.245102
Shang, R., H. O. Li, G. Cao, G. Yu, M. Xiao, T. Tu, G. C. Guo, H. Jiang, A. M. Chang, and G. P. Guo. “Observation of the Kondo effect in a quadruple quantum dot.” Physical Review B - Condensed Matter and Materials Physics 91, no. 24 (June 2, 2015). https://doi.org/10.1103/PhysRevB.91.245102.
Shang R, Li HO, Cao G, Yu G, Xiao M, Tu T, et al. Observation of the Kondo effect in a quadruple quantum dot. Physical Review B - Condensed Matter and Materials Physics. 2015 Jun 2;91(24).
Shang, R., et al. “Observation of the Kondo effect in a quadruple quantum dot.” Physical Review B - Condensed Matter and Materials Physics, vol. 91, no. 24, June 2015. Scopus, doi:10.1103/PhysRevB.91.245102.
Shang R, Li HO, Cao G, Yu G, Xiao M, Tu T, Guo GC, Jiang H, Chang AM, Guo GP. Observation of the Kondo effect in a quadruple quantum dot. Physical Review B - Condensed Matter and Materials Physics. 2015 Jun 2;91(24).
Published In
Physical Review B - Condensed Matter and Materials Physics
DOI
EISSN
1550-235X
ISSN
1098-0121
Publication Date
June 2, 2015
Volume
91
Issue
24
Related Subject Headings
- Fluids & Plasmas
- 09 Engineering
- 03 Chemical Sciences
- 02 Physical Sciences