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Spin relaxation times of donor centers associated with lithium in monoisotopic 28Si
Authors
Abrosimov N.
Detochenko A.
+8 more
Ezhevskii A.
Guseinov D.
Konakov A.
Mamin G.
Popkov S.
Riemann H.
Soukhorukov A.
Zverev D.
Publication date
1 January 2016
Publisher
Abstract
© (2016) Trans Tech Publications, Switzerland. We report a detailed study of electron longitudinal and transverse spin relaxation times for Li donors in monoisotopic 28Si over the temperature range 4–20 K using continuous wave and pulsed electron paramagnetic resonance. Comparison of the obtained spin-lattice relaxation times for the states of the isolated donor center and lithium complex LiO showed that due to the presence of orbital degeneracy, relaxation is faster for single lithium than for the LiO complexes with the nondegenerate ground state. For the isolated lithium center in silicon the relaxation is well described by Blume-Orbach process, with the parameters of the spin-orbit coupling ~ 1·10-6 meV compare to Orbach process for LiO complex with spin-orbit coupling parameter ~ 1.5·10-2 meV
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Kazan Federal University Digital Repository
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oai:dspace.kpfu.ru:net/93368
Last time updated on 07/05/2019
Kazan Federal University Digital Repository
See this paper in CORE
Go to the repository landing page
Download from data provider
oai:dspace.kpfu.ru:net/145022
Last time updated on 07/05/2019