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Details of Grant 

EPSRC Reference: GR/N21475/01
Title: HTS SQID TECHNOLOGY FOR THE 21ST CENTURY
Principal Investigator: Pegrum, Dr CM
Other Investigators:
Donaldson, Professor GB MacFarlane, Dr J
Researcher Co-Investigators:
Project Partners:
Department: Physics
Organisation: University of Strathclyde
Scheme: Standard Research (Pre-FEC)
Starts: 01 July 2000 Ends: 31 December 2003 Value (£): 317,340
EPSRC Research Topic Classifications:
Materials Characterisation Materials Processing
Materials Synthesis & Growth
EPSRC Industrial Sector Classifications:
Communications Electronics
Related Grants:
Panel History:  
Summary on Grant Application Form
The present proposal will build upon our expertise in HTS films growth by investigating the relatively new material NdBa2Cu307 (NBCO), which as we have demonstrated offers potential advantages over Yba2Cu307 for use in device applications. Work on the optimisation of NBCO film growth and post-treatment techniques will form a significant part of the present proposal. We have already demonstrated NBCO devices operating at 77K and a full investigation of the noise performance of such devices is an important part of our proposed programme. We have recently achieved a major breakthrough in SQUID gradiometer sensitivity and balance, through a combination of our improved fabrication techniques and advanced computer-modelling. This work will continue with a thorough characterisation of single-SQUID and double SQUID large area gradiometers. It will be extended into the development of directly coupled and multi-layer fully integrated second-order gradiometers which will be deployed in our NDE and biomagnetism investigations. The third area of relevance to be addressed by this proposal will reinforce and extend the successful applications of HTS devices in novel quantum-based metrological situations, including for instance the Quantum Roulette Noise thermometer and the cryogenic current comparator for ion-beam sensing.
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Further Information:  
Organisation Website: http://www.strath.ac.uk