The structure of Y(O, F) 2+ materials can be described in terms of a YX slab based

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The structure of Y(O, F)2+δ materials can be described in terms of a YX slab based on a square grid of anions alternating with a hexagonal anion grid as shown in Figure 2.16.

(a) Confirm that the composition of a material with ideal anion arrays (all nearest anion- anion distances

 Figure 2.16

oooo 9000 idada OOO anions CECO 0000 COO0 cation 1000 0000 gogg CaF-structured Y(01-mFm) slab hexagonal F

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Solid State Materials Chemistry

ISBN: 9780521873253

1st Edition

Authors: Patrick M. Woodward, Pavel Karen, John S. O. Evans, Thomas Vogt

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