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Fig. 1 Perovskite structure and composition.

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Presentation on theme: "Fig. 1 Perovskite structure and composition."— Presentation transcript:

1 Fig. 1 Perovskite structure and composition.
Perovskite structure and composition. (A) ABX3, in the cubic single perovskite structure (), where the A cation is surrounded by a network of corner-sharing BX6 octahedra. (B) A2BB′X6, in the rock salt double perovskite structure (), where the A cations are surrounded by an alternating network of BX6 and B′X6 octahedra. In this structure, inverting the B and B′ cations results in an equivalent structure. While the ideal cubic structures are shown here, perovskites may also adopt various noncubic structures. (C) Map of the elements that occupy the A, B, and/or X sites within the 576 compounds experimentally characterized as perovskite or nonperovskite at ambient conditions and reported in (17–19). Christopher J. Bartel et al. Sci Adv 2019;5:eaav0693 Copyright © 2019 The Authors, some rights reserved; exclusive licensee American Association for the Advancement of Science. No claim to original U.S. Government Works. Distributed under a Creative Commons Attribution License 4.0 (CC BY).

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