2.3.4 Summary to: Conductors - General Applications

No electrical engineering without conductors!
Money, Chemistry (try Na!), mechanical and thermal properties, compatibility with other materials, compatibility with production technologies, ...
Hundreds of specialized metal alloys exist just for "wires" because besides s, other demands must be met, too:  
Example for unexpected conductors being "best" compromise:
Poly Si, Silicides, TiN, W in integrated circuits.
     
Don't forget Special Applications:  
Contacts (switches, plugs, ...);
Resistors;
Heating elements; ...
Transparent conductors
       

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© H. Föll (Advanced Materials B, part 1 - script)