Abstract
The relaxation of nuclear magnetization in the 29Si:B crystals obeys power-law kinetics at 300 K due to direct electron–nuclear relaxation. Admixture of the exponential relaxation associated with spin diffusion was revealed at higher temperatures. The inhomogeneous distribution of linear deformation defects was revealed by electron paramagnetic resonance. This factor mainly contributes to power-law kinetics of nuclear spin relaxation.
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Acknowledgements
O.V.K. (Project 14-03-31004) and R.B.M. (Project 13-07-12027) thank Russian Foundation for Basic Researches for the financial support.
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Morgunov, R.B., Koplak, O.V. High-temperature spin dynamics studied by solid-state nuclear resonance and electron paramagnetic resonance in 29Si:B crystals. J Mater Sci 51, 1838–1844 (2016). https://doi.org/10.1007/s10853-015-9490-2
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DOI: https://doi.org/10.1007/s10853-015-9490-2