Trilayer heterostructure junctions
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United States of America Patent
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Issued Date -
Jun 12, 2003
app pub date -
Dec 6, 2001
filing date -
Dec 6, 2001
priority date (Note) -
Abandoned
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Abstract
In accordance with embodiments of the present invention, a junction of an unconventional superconductor, an intermediate material, and a conventional superconducting material is presented. In some embodiments, the resulting junction is in the c-axis direction of the orthorhombic unconventional superconductor. Alternatively, the junction is in the a-b plane direction. Interface junctions according to embodiments of the present invention may be used in super low inductance qubits (SLIQs) and in permanent readout superconducting qubits (PRSQs), can form the basis of quantum registers, and can allow for parity keys or other devices made from conventional superconducting material to be attached to qubits made from unconventional superconducting material or vice versa. Coherent tunnel junctions according to embodiments of the present invention may be used to form parity keys or coherently couple two regions of a superconducting material.
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