Low-temperature diffusion of lithium in silicon-germanium solid solutions
I. G. AtabaevPhysicotechnical Institute of the Physics-Sun Research and Production Association, Academy of Sciences of Uzbekistan, Tashkent, 700084, UzbekistanN. A. MatchanovPhysicotechnical Institute of the Physics-Sun Research and Production Association, Academy of Sciences of Uzbekistan, Tashkent, 700084, UzbekistanÉ. N. BakhranovPhysicotechnical Institute of the Physics-Sun Research and Production Association, Academy of Sciences of Uzbekistan, Tashkent, 700084, Uzbekistan
ABI
Аннотация
The influence of germanium content on lithium diffusion in Si1−x Gex solid solutions is investigated at temperatures from 300 to 500°C. It is found that the diffusion coefficient and the solubility of lithium abruptly decrease with a decrease in the temperature and an increase in the germanium content. As the diffusion temperature increases, the decrease in the lithium diffusion coefficient slows down with a change in the solid solution composition due to the effect of lattice elastic strains induced by germanium isovalent impurities.
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