| 摘要 |
The invention concerns a silicon structure comprising a metallic component 12 and a silicon component 13, the metallic component and the silicon component being arranged such that at least part of the silicon component is in electrical contact 14 with at least part of the metallic component, characterised in that the silicon component comprises nanocrystalline silicon and the metallic component comprises nanocrystalline metal. The silicon structure may be used for medical applications. eg as a stent or catheter. In other embodiments, the silicon is in beta tin form and either porous with metal in the pores (Fig 2) or the metal can be porous with the silicon in the pores (Fig 3). The metal can be Au, Ag, Pd, Pt, Se, Cu, Bi, W, Mo, Ni, Fe, Al, Ti, Ma, Ca or Mg.
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