K H Kuit et al 2009 Supercond. Sci. Technol. 22 114006 doi:10.1088/0953-2048/22/11/114006
K H Kuit, W van de Camp, S Waanders, H Rogalla and J Flokstra
Show affiliationsWe are developing a hybrid magnetometer based on a doped Si Hall device and a high Tc superconducting flux concentrator. An overview of the present status of the various aspects of research is given. This includes a theoretical derivation of the expected device properties and an optimal design of the concentrator which shows that in theory a sensitivity of 23 V T−1 can be obtained at T = 77 K with an As doped Si Hall device. Moreover, the sensitivity is enhanced by a factor of 10–25, depending on the desired dynamic range, by the concentrator. Implantation of As in Si and pulsed laser deposition of YBa2Cu3O7−δ on Si are the two main challenging production steps which will be discussed in more detail.
74.25.Fy Transport properties (electric and thermal conductivity, thermoelectric effects, etc.)
Issue 11 (November 2009)
Received 12 June 2009, in final form 1 September 2009
Published 20 October 2009
K H Kuit et al 2009 Supercond. Sci. Technol. 22 114006
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