Electron Spin Resonance of Lithium Related Donor Centers in Bulk Si1−xGex Crystals Enriched in 28Si and 72Ge Isotopes

The lithium donor centers in Si 1– x Ge x ( x  = 0.0039–0.05) single crystals enriched in spinless 28 Si and 72 Ge isotopes (99.998 and 99.984%, respectively) are studied by electron spin resonance at temperatures of T  = 3.5–30 K and compared with its behavior in Si crystals. It is shown that lithi...

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Bibliographic Details
Published in:Applied magnetic resonance 2024-05, Vol.55 (5), p.551-564
Main Authors: Kalinina, E. A., Guseinov, D. V., Soukhorukov, A. V., Ezhevskii, A. A., Zverev, D. G., Murzakhanov, F. F., Abrosimov, N. V.
Format: Article
Language:English
Subjects:
Atoms and Molecules in Strong Fields
Configurations
Cross relaxation
Crystals
Electron paramagnetic resonance
Electron spin
Electrons
Isotopes
Laser Matter Interaction
Lithium
Organic Chemistry
Original Paper
Phosphorus
Physical Chemistry
Physics
Physics and Astronomy
Quantum dots
Silicon
Single crystals
Solid State Physics
Spectroscopy/Spectrometry
Spin resonance
Symmetry
Temperature
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Summary:The lithium donor centers in Si 1– x Ge x ( x  = 0.0039–0.05) single crystals enriched in spinless 28 Si and 72 Ge isotopes (99.998 and 99.984%, respectively) are studied by electron spin resonance at temperatures of T  = 3.5–30 K and compared with its behavior in Si crystals. It is shown that lithium center with trigonal ([111]) symmetry has a most stable configuration in bulk Si 1– x Ge x for different values of x  
ISSN:0937-9347
1613-7507
DOI:10.1007/s00723-023-01640-w