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Method for producing edge geometry superconducting tunnel junctions utilizing an NbN/MgO/NbN thin film structure
Method for producing edge geometry superconducting tunnel junctions utilizing an NbN/MgO/NbN thin film structure
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机译:利用nbN / MgO / NbN薄膜结构生产边缘几何形状超导隧道结的方法
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摘要
Disclosed is a method for fabricating an edge geometry superconducting tunnel junction device comprising two niobium nitride superconducting electrodes (14,28) and a magnesium oxide tunnel barrier (24) sandwiched between the two electrodes. The NbN electrodes are preferably sputter- deposited, with the first NbN electrode deposited on an insulating substrate maintained at about 250° to 500° C. for improved quality of the electrode.
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