Steppke, A., Geithner, R., Hechler, S., Nawrodt, R., Neubert, R., Vodel, W., Schwickert, M., Reeg, H. and Seidel, P.
(2009)
Application of LTS-SQUIDs in Nuclear
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Publisher's URL: http://dx.doi.org/10.1109/TASC.2009.2019542
Abstract
Low temperature superconducting quantum interference devices (LTS SQUIDs) are used to make precision measurements of electromagnetic fields in applications ranging from biomedicine to high energy physics. We have previously described an LTS SQUID-based device for nuclear physics which employs the Cryogenic Current Comparator principle (CCC). The CCC consists of a high-performance LTS DC SQUID system, a toroidal pick-up coil, and a meander-shaped superconducting niobium shield. Theoretical investigations show that as external noise decreases, improvements in performance depend on the properties of the ferromagnetic core material embedded in the pick-up coil. Here we present the temperature- and frequency-dependence of several candidate ferromagnetic and nanocrystalline materials. We discuss these results in light of the optimization of the CCC sensor performance.
| Item Type: | Articles |
|---|---|
| Status: | Published |
| Refereed: | Yes |
| Glasgow Author(s) Enlighten ID: | Nawrodt, Dr Ronny |
| Authors: | Steppke, A., Geithner, R., Hechler, S., Nawrodt, R., Neubert, R., Vodel, W., Schwickert, M., Reeg, H., and Seidel, P. |
| College/School: | College of Science and Engineering > School of Physics and Astronomy |
| Journal Name: | IEEE Transactions on Applied Superconductivity |
| ISSN: | 1051-8223 |
| Published Online: | 17 July 2009 |
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