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Article Dans Une Revue Small Année : 2016

Templated Solid-State Dewetting of Thin Silicon Films

Résumé

Thin film dewetting can be efficiently exploited for the implementation of functionalized surfaces over very large scales. Although the formation of sub-micrometer sized crystals via solid-state dewetting represents a viable method for the fabrication of quantum dots and optical meta-surfaces, there are several limitations related to the intrinsic features of dewetting in a crystalline medium. Disordered spatial organization, size, and shape fluctuations are relevant issues not properly addressed so far. This study reports on the deterministic nucleation and precise positioning of Si-and SiGe-based nanocrystals by templated solid-state dewetting of thin silicon films. The dewetting dynamics is guided by pattern size and shape taking full control over number, size, shape, and relative position of the particles (islands dimensions and relative distances are in the hundreds nm range and fluctuate approximate to 11% for the volumes and approximate to 5% for the positioning).

Dates et versions

hal-01435228 , version 1 (13-01-2017)

Identifiants

Citer

Meher Naffouti, Thomas David, Abdelmalek Benkouider, Luc Favre, Anne Delobbe, et al.. Templated Solid-State Dewetting of Thin Silicon Films. Small, 2016, 12 (44), pp.6115-6123. ⟨10.1002/smll.201601744⟩. ⟨hal-01435228⟩
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