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Edge geometry superconducting tunnel junctions utilizing an nbn/mgo/nbn thin film structure (Document No: 19920012798)
| Content Provider | NASA Technical Reports Server (NTRS) |
|---|---|
| Copyright Year | 1992 |
| Description | An edge defined geometry is used to produce very small area tunnel junctions in a structure with niobium nitride superconducting electrodes and a magnesium oxide tunnel barrier. The incorporation of an MgO tunnel barrier with two NbN electrodes results in improved current-voltage characteristics, and may lead to better junction noise characteristics. The NbN electrodes are preferably sputter-deposited, with the first NbN electrode deposited on an insulating substrate maintained at about 250 C to 500 C for improved quality of the electrode. |
| File Size | 529763 |
| Page Count | 7 |
| File Format | |
| Alternate Webpage(s) | http://archive.org/details/NASA_NTRS_Archive_19920012798 |
| Archival Resource Key | ark:/13960/t6p03364n |
| Language | English |
| Publisher Date | 1992-03-24 |
| Access Restriction | Open |
| Subject Keyword | Solid-state Physics Thin Films Volt-ampere Characteristics Nitrides Superconducting Films Sis Superconductors Superconductivity Magnesium Oxides Electron Tunneling Tunnel Diodes Noise Measurement Niobium Substrates Ntrs Nasa Technical Reports Server (ntrs) Nasa Technical Reports Server Aerodynamics Aircraft Aerospace Engineering Aerospace Aeronautic Space Science |
| Content Type | Text |
| Resource Type | Patent |
