mriselMagnetic Resonance in SolidsMagnetic Resonance in Solids2072-5981Kazan Federal University10.26907/mrsej-19602mrisel-85Research ArticleСтатьиThermally activated mobility of lithium ions in Li1-xCuSbO4 as studied by 7Li NMRGafurovD.

Sibirsky Trakt 10/7, 420029 Kazan; Kremlevskaya 18, Kazan 420008

SturzaM. -I.

01069 Dresden

VavilovaE.

Sibirsky Trakt 10/7, 420029 Kazan

jenia.vavilova@gmail.comZavoisky Physical-Technical Institute, FRC "Kazan Scientific Center of RAS"; Institute of Physics, Kazan Federal UniversityRussian FederationLeibniz Institute for Solid State and Materials Research IFW DresdenGermanyZavoisky Physical-Technical Institute, FRC "Kazan Scientific Center of RAS"Russian Federation20192112201921619602 (5 pp.)Copyright © Gafurov D., Sturza M.-., Vavilova E., 20242024Gafurov D., Sturza M.-., Vavilova E.Gafurov D., Sturza M.-., Vavilova E.Данная работа распространяется под лицензией Creative Commons Attribution 4.0.This work is licensed under a Creative Commons Attribution 4.0 License.https://www.mrsej.ru/jour/article/view/85

The Li diffusion in Li1-xCuSbO4 with lithium deficiency x = 0.02, 0.05, 0.07 and 0.1 was studied by investigation of motional narrowing of the central 7 NMR line in the temperature range from 290 K to 470 K. The activation energy of hopping of lithium ions was determined from the temperature dependence of the NMR linewidth. The dependence of the obtained activation energy on the lithium content indicates the opening of motion channels in the crystals at x close to 0.1 due to the formation of free vacancies at the lithium position, which favors the thermally activated hopping of ions.

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The authors declare that there are no conflicts of interest present.