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Stretchable helical gold conductor on silicone rubber microwire

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Béfahy, Stéphane [UCL] Yunus, Sami [UCL] Pardoen, Thomas [UCL] Bertrand, Patrick [UCL] Troosters, M.

Compliant and stretchable three-dimensional golden tracks are produced by metallization of silicone wires maintained under twisting and stretching constraints. Upon release, the metallic track deforms to a helix presenting a wavy and cracked surface. Wavelet and crack orientations are function of three parameters: the wire radius, the number of imposed rotations divided by the length of the cylinder, and the stretching in its axis direction. Electrical conductivity at rest and under stretching can be optimized by finding the prestraining conditions that provide the best trade off between the maximum amount of surface buckling and a limited amount of cracks. (C) 2007 American Institute of Physics.

Document type Article de périodique (Journal article) – Article de recherche
Access type Accès libre
Publication date 2007
Language Anglais
Journal information "Applied Physics Letters" - Vol. 91, no. 14 (2007)
Peer reviewed yes
Publisher Amer Inst Physics (Melville)
issn 0003-6951
e-issn 1077-3118
Publication status Publié
Affiliation UCL - FSA/MAPR - Département des sciences des matériaux et des procédés
Links
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Bibliographic reference Béfahy, Stéphane ; Yunus, Sami ; Pardoen, Thomas ; Bertrand, Patrick ; Troosters, M.. Stretchable helical gold conductor on silicone rubber microwire. In: Applied Physics Letters, Vol. 91, no. 14 (2007)
Permanent URL http://hdl.handle.net/2078.1/37275