Atomic layer superconductivity

High-temperature superconductivity in atomic metallic hydrogen

Superconductivity in the recently proposed ground-state structures of atomic metallic hydrogen is calculated over the pressure range 500 GPa to 3.5 TPa. Near molecular dissociation, the electron-phonon coupling λ and renormalized Coulomb repulsion are similar to the molecular phase. A nearly continuous increase in the critical temperature Tc with pressure is thus predicted in this range, to ∼35...

Semifluxons in Superconductivity and Cold Atomic Gases

Josephson junctions and junction arrays are well studied devices in superconductivity. With external magnetic fields one can modulate the phase in a long junction and create traveling, solitonic waves of magnetic flux, called fluxons. Today, it is also possible to device two different types of junctions: depending on the sign of the critical current density jc ≷ 0, they are called 0or π-junctio...

Low-temperature atomic layer epitaxy of AlN ultrathin films by layer-by-layer, in-situ atomic layer annealing

Low-temperature epitaxial growth of AlN ultrathin films was realized by atomic layer deposition (ALD) together with the layer-by-layer, in-situ atomic layer annealing (ALA), instead of a high growth temperature which is needed in conventional epitaxial growth techniques. By applying the ALA with the Ar plasma treatment in each ALD cycle, the AlN thin film was converted dramatically from the amo...

Atomic layer deposition: an overview.

Atomic Layer Deposition of TiO

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