We present results on ultra low noise YBa2Cu3O7-δ (YBCO) nano Superconducting QUantum Interference Devices (nanoSQUIDs). To realize such devices, we implemented high quality YBCO nanowires, working as weak links between two electrodes. We observe critical current modulation as a function of an externally applied magnetic field in the full temperature range below the transition temperature TC. The white flux noise below 1μΦ0/Hz at T=8 K makes our nanoSQUIDs very attractive for the detection of small spin systems. © 2014 AIP Publishing LLC.
Ultra low noise YBa2Cu3O7-δ nano superconducting quantum interference devices implementing nanowires
Arpaia R.;
2014-01-01
Abstract
We present results on ultra low noise YBa2Cu3O7-δ (YBCO) nano Superconducting QUantum Interference Devices (nanoSQUIDs). To realize such devices, we implemented high quality YBCO nanowires, working as weak links between two electrodes. We observe critical current modulation as a function of an externally applied magnetic field in the full temperature range below the transition temperature TC. The white flux noise below 1μΦ0/Hz at T=8 K makes our nanoSQUIDs very attractive for the detection of small spin systems. © 2014 AIP Publishing LLC.
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