Magnetron deposition of molybdenum mirrors and micrometer-thick mirror foil with an ordered columnar nanocrystalline structure |
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Authors: | A V Rogov K Yu Vukolov |
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Institution: | (1) Russian Research Center Kurchatov Institute, pl. Kurchatova 1, Moscow, 123182, Russia |
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Abstract: | The formation of a molybdenum reflecting coating with a columnar nanocrystalline structure is studied under the condition when molybdenum is deposited by dc magnetron sputtering on single-crystalline molybdenum mirrors (substrates). The coating is found to peel off together with a polishing-induced imperfect amorphous surface layer of the substrate. This effect aids in obtaining a free mirror-like molybdenum foil. When the amorphous imperfect layer is removed from the substrate before deposition, the reflecting mirror coating has a good adhesion to the substrate. |
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