Lect21_notes

17 prototype structures do3 or bif3 structure a close

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Unformatted text preview: tahedral and tetrahedral sites. 16 atoms per unit cell.! CBEMS 164 – XRD, SEM & Microanalysis: Lecture 21 ! 17 Prototype Structures! Do3 or BiF3 Structure! A close-packed structure with all interstitial sites filled.! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! The Bi occupy the close packed geometry, while F occupies all the octahedral and tetrahedral sites. 16 atoms per unit cell.! CBEMS 164 – XRD, SEM & Microanalysis: Lecture 21 ! 18 Prototype Structures! Do3 or BiF3 Structure! A close-packed structure with all interstitial sites filled.! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! The Bi occupy the close packed geometry, while F occupies all the octahedral and tetrahedral sites. 16 atoms per unit cell.! CBEMS 164 – XRD, SEM & Microanalysis: Lecture 21 ! 19 CBEMS 164 – XRD, SEM & Microanalysis: Lecture 21 ! 20 Zinc Blende Structure (Sphalerite, B3) ! ! ! Zinc Blende Structure (Sphalerite, B3) ! ! ! CBEMS 164 – XRD, SEM & Microanalysis: Lecture 21 ! 21 CBEMS 164 – XRD, SEM & Microanaly...
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This note was uploaded on 01/16/2014 for the course CBEMS 164 taught by Professor Porter,j during the Fall '08 term at UC Irvine.

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