File:Cracked GaN.jpg
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English: Film formation using MOCVD can be tricky when we try to form films of different composition on each other. The basic unit cells of different materials have different shapes and sizes, so when you try to convince films to stick together they feel tensile stress. And as almost anything under stress, they start to resist and try to relax. How can films relax if something is tearing them apart? They crack. That’s what you see on the picture - very relaxed very cracked GaN on AlN on silicon. |
| Date | |
| Source | Own work |
| Author | Evavilova |
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This image was uploaded as part of Wiki Science Competition 2017. |
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 10:33, 12 December 2017 | | 2,560 × 1,920 (810 KB) | Evavilova (talk | contribs) | User created page with UploadWizard |
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