Preparation and properties of amorphous MgB$_2$/MgO superstructures: A new model disordered superconductor

Details Preparation and properties of amorphous MgB$_2$/MgO superstructures: A new model disordered superconductor Preparation and properties of amorphous MgB$_2$/MgO superstructures: A new model disordered superconductor

2007-10-24

arxiv.org/abs/0710.4581v1

Physics

Condensed Matter

Superconductivity

7 pages, 8 figures

Scientific paper

10.1103/PhysRevB.77.174506

In this paper we introduce a novel method for fabricating MgB$_2$/MgO multilayers and demonstrate the potential for using them as a new model for disordered superconductors. In this approach we control the annealing of the MgB$_2$ to yield an interesting new class of disordered (amorphous) superconductors with relatively high transition temperatures. The multilayers appear to exhibit quasi-two-dimensional superconductivity with controlled anisotropy. We discuss the properties of the multilayers as the thickness of the components of the bilayers vary.

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