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- Article name
- Injection polarization of the 29Si nuclear spin in silicon nanostructures
- Authors
- Borisenko V. E., , , Belarusian State University of Informatics and Radioelectronics, 6 P. Browka str., Minsk, 220013, Belarus
Podryabinkin D. A., , arm@tut.by, Belarusian State University of Informatics and Radioelectronics, 6 P. Browka str., Minsk, 220013, Belarus
Danilyuk, A. L., , danilyuk@nano-center.by, Belarusian State University of Informatics and Radioelectronics, 6 P. Browka str., Minsk, 220013, Belarus
- Keywords
- silicon nanostructures / polarization / isotope 29Si / triplet's center
- Year
- 2011 Issue 2 Pages 12 - 18
- Code EDN
- Code DOI
- Abstract
- We have derived the equations and calculated polarization of the nuclei in the chains of the silicon isotope 29Si in a matrix of the 28Si ones. The polarization is caused by the hyperfine interaction of nuclei with spins of excited triplet centers. The possibility of a self-sustaining nuclear spin polarization has been predicted. It was found that an abrupt change in the number of polarized nuclei occurs up to 600 times at varying an external magnetic field. A similar 40 times jump occurs with the increase of the charge carrier injection rate.
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