2015年2月2日 · Abstract: The magnetic field dependence of the Eck step voltage in long Josephson tunnel junctions (LJTJs) can be exploited for ultralow-noise magnetic sensing.

2013年10月17日 · We study how the magnetic field dependence of the Eck step voltage in long Josephson tunnel junctions (LJTJs) can allow for ultra-low-noise magnetic sensing. The field to be measured is applied perpendicular to a continuous superconducting pickup loop.

The magnetic flux to be measured is captured by a non-interrupted superconducting pickup loop in which a narrow constriction, forming the LJTJ wiring layer, produces a local high density ...

2015年1月1日 · The magnetic field dependence of the Eck step voltage in long Josephson tunnel junctions (LJTJs) can be exploited for ultra-low-noise magnetic sensing.

Electrode Long Josephson Tunnel Junction (DOCELJTJ), consists of a LJTJ for which at least one electrode is shaped as a loop. This device is sketched in Fig.1 in which the junction bottom electrode is in black, while the top electrode - in the shape of a rectangular thin- lm

1994年2月2日 · LINTRODUCTION It is well established theoretically that Abrikosov vortices (A-vortices) trapped in a region of a long Josephson tunnel junction (LJTJ) (one of a junction dimension is larger than the Josephson penetration depth (k )) can be described as local magnetic impurities which are able to act as pinning centers for the Josephson vortices ...

planar LJTJ for which at least one of the superconducting electrodes is multiply-connected, i.e., not every closed path can be transformed into a point. In the simplest case, one of the superconducting thin- lm stripes forming the LJTJ is shaped as a doubly-connected loop.

2013年4月21日 · A superconducting magnetometers based on the magnetic field dependence of the Eck step voltage in long Josephson tunnel junctions (LJTJs) is demonstrated. The field to be measured is applied perpendicular to a continuous superconducting pickup loop.

2014年8月13日 · In a recent proof of principle experiment a constant field responsivity, in range, has been reported by simply shaping the wiring layer of an all-niobium LJTJ in a 1 cm 2 loop perpendicular to the applied magnetic field.

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