Podryabinkin D. A., Danilyuk A. L.//Physics, Chemistry and Application of Nanostructures/ Ed. by V. E. Borisenko, S. V. Gaponenko, V. S. Gurin / Minsk, Belarus, 24—27 May 2005. <...> Injection polarization of the 29Si nuclear spin in silicon nanostructures D. A. Podryabinkin, A. L. Danilyuk, V. E. Borisenko Belarusian State University of Informatics and Radioelectronics, 6 P. Browka str., Minsk, 220013, Belarus E-mail: arm@tut.by con 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. <...> Получены уравнения и произведен расчет поляризации ядер в цепочках изотопа кремния 29Si в матрице 28Si. <...> Поляризация обусловлена сверхтонким взаимодействием спинов ядер с возбужденными триплетными центрами. <...>