2013•ECS TransactionsOpen access

Impact of Donor Dopant on Acceptor Solubility in TlBr

Sean R. Bishop, Harry Louis Tuller

Abstract

The predicted dependence of TlBr room temperature ionic conductivity on divalent donor and acceptor dopant concentration is presented, taking into account acceptor dopant exsolution and dopant-defect association. Donor-acceptor compensation is found to play a key role in determining the ultimate room temperature conductivity with donors increasing the solubility of acceptors from 0.04 ppm (0 donor) to 0.84 ppm (1 ppm donor) to 8.4 ppm (10 ppm donor).

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Key concepts: Dopant, Acceptor, Solubility, Divalent, Conductivity, Ionic bonding, Materials science, Ionic conductivity