Creating electrical contacts between metal particles using directed electrochemical growth

Article Abstract:

Researchers demonstrate the possibility of using electrodissolution and electrodeposition processes to make electrical connections in microelectronic circuits. The application of these electrochemical processes produces growth of copper deposits between copper particles. The distortion of the electric field by the copper particles focuses the diffusion of copper ions enabling wire growth to be controlled and directed. This opens up the possibility of an alternative to the traditional use of photolithography in microelectronics.

Usage, Microelectronics, Electrochemistry, Electronic circuits

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Hydration in electrical double layers

Article Abstract:

Hydration in electrical double layers is observed. Calculations of surface interactions in an aqueous solvent reveals that repulsion is linked to ion hydration in the double layer. The computation is based on the oscillatory ion-ion potentials of mean force acquired in molecular model simulations. The double-layer interaction is calculated using the anisotropic hypernetted chain method.

Hydration, Rehydration solutions, Surfaces (Physics)

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Laser action in organic semiconductor waveguide and double-heterostructure devices

Article Abstract:

New research shows clear evidence for laser action in optically-pumped vacuum-deposited thin organic semiconductor films, in double-heterostructure and slab-waveguide configurations. The findings should be a significant step towards the development of a new type of electrically pumped laser diodes based on organic thin films.

Photonics, Electrooptics, Electro-optics, Solid-state lasers, Solid state lasers

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