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Characteristics of a thin-film sensor for a scanning SQUID microscope

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Abstract

A description is given of the design, fabrication technology, and characteristics of a sensor for a scanning magnetic microscope using a thin-film dc SQUID with Nb/Al2O3/Nb shunted Josephson tunnel junctions. It is shown that at a sample temperature of 4.2 K the spatial resolution of this detector is 10 µm with a field resolution of 70 pT/Hz1/2.

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Authors and Affiliations

  1. M. V. Lomosonov Moscow State University, 119899, Moscow, Russia

    D. E. Kirichenko, A. B. Pavolotskii, I. G. Prokhorova & O. V. Snigirev

Authors
  1. D. E. Kirichenko
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  2. A. B. Pavolotskii
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  3. I. G. Prokhorova
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  4. O. V. Snigirev
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Additional information

Zh. Tekh. Fiz. 69, 112–117 (July 1999)

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Kirichenko, D.E., Pavolotskii, A.B., Prokhorova, I.G. et al. Characteristics of a thin-film sensor for a scanning SQUID microscope. Tech. Phys. 44, 839–843 (1999). https://doi.org/10.1134/1.1259360

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  • DOI: https://doi.org/10.1134/1.1259360

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