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The s - d exchange model as the underlying mechanism of magnetoresistance in ZnO doped with alkali metals
(IOP Publishing, 2019-08)
High field magnetoresistance has been studied in epitaxial n-type ZnO:Na and ZnO:Li thin films in a temperature range between 4 K and 150 K. The resulting negative magnetoresistance can be well fitted using a semiempirical ...