super electricity conducting copper wire for room temperature use; is achieved by extruding extreme hot copper and chilling rapidly in liquid nitrogen this allows the patterning of the atoms dipoles are then more strongly aligned and packed more closely together and helps to keep out oxygen so this improves malleability and electrical conductivity as atom valency is improved;

super electricity conducting copper wire for cryogenic high magnetic field resonance is; extrude very hot copper wire and chill rapidly in jet of very cold oxygen note at room temperature the advantage is copper wire then remains ductile and malleable;
At cryogenic temperatures can carry high currents without resistance heating and hysteresis. Reason atoms dipoles are not aligned well due to oxygen absorbed so are de-matrixed and are packed more closely and so valency is decreased at room temperature, however surface photon valency is increased so the electric current tends to align electricity fields and so the electric current charge flows along the aligned surface resistant free valency photon fields;
Note; all atoms are made up of photons that have gained mass; it is when these surface photon electric fields are closely aligned then electrical charge resistance is minimal;
andrewlangham@yahoo.co.uk