Düvel A, Morgan LM, Cibin G, Pickup D, Chadwick AV, Heitjans P, Sayle DC. Tuning Antisite Defect Density in Perovskite-BaLiF
3 via Cycling between Ball Milling and Heating.
J Phys Chem Lett 2018;
9:5121-5124. [PMID:
30119609 DOI:
10.1021/acs.jpclett.8b01915]
[Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/08/2023]
Abstract
The defect density of a material is central to its properties. Here, we show, employing EXAFS measurements and MD simulation, how the Ba-Li antisite defect density of perovskite-structured BaLiF3 nanoparticles can be tuned. In particular, we show that ball milling reduces the defect content. Conversely, thermal annealing increases the defect density. The work represents a first step toward tailoring the properties of a material via defect tuning postsynthesis.
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