'Diffusion couple' diaporamas de présentation

CHAPTER 5: DIFFUSION IN SOLIDS

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Point defects and diffusion

Point defects and diffusion. Isovalent substitute atom . Point defects in ionic solids. Anti-Schottky defect: anion- cation-vacancy plus interstial pair. Schottky defect: anion-cation- vacancy pair. Frenkel defect: anion vacancy- interstitial cation pair. e -. e -.

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Bicontinuous conducting polymer cubic phases using non-ionic surfactants

Bicontinuous conducting polymer cubic phases using non-ionic surfactants. water. NP-9. L Lamellar. M Micellar. H Hexagonal. Polarized light. G Cubic. Diffusion couple formed between water (upper left) and non-ionic surfactant showing characteristic optical textures.

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