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Method for producing edge geometry superconducting tunnel junctions utilizing an NbN/MgO/NbN thin film structure

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

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.
机译:公开了一种制造边缘几何形状超导隧道结器件的方法,该器件包括两个氮化铌超导电极(14,28)和夹在两个电极之间的氧化镁隧道势垒(24)。优选地,溅射NbN电极,其中沉积在绝缘基板上的第一NbN电极保持在约250℃至500℃,以提高电极的质量。

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