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Journal articles

Tailoring thin mesoporous silicon-tin films by radio-frequency magnetron sputtering

Abstract : Thin Si1-xSnx films with 0 < x < 0.51 (at.%) have been deposited from Si and Sn targets by radio-frequency magnetron sputtering at vacuum pressures of 1 and 0.6 Pa. The different contents of Sn incorporation were achieved by varying the power applied to the Sn target (25, 50, 75 and 100 W) while maintaining a constant power of 400 W on the silicon target. The results showed that the films deposited at 1 Pa were more porous, in the mesoporous region, than the films deposited at 0.6 Pa. For the Sn concentrations lower than 28%, the films were amorphous. For higher Sn concentrations, the films were formed by a b-Sn nanocrystalline structure embedded in an amorphous matrix. The hardness values decreased with the increase in the Sn content in the films.
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https://hal.univ-lorraine.fr/hal-02896648
Contributor : Sebastien Diliberto Connect in order to contact the contributor
Submitted on : Friday, July 10, 2020 - 4:37:29 PM
Last modification on : Tuesday, January 4, 2022 - 6:42:18 AM

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N. Kumar, P. Sanguino, S. Diliberto, P. Faia, B. Trindade. Tailoring thin mesoporous silicon-tin films by radio-frequency magnetron sputtering. Thin Solid Films, Elsevier, 2020, 704, pp.137989. ⟨10.1016/j.tsf.2020.137989⟩. ⟨hal-02896648⟩

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