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Noise performance of Niobium Nano-SQUIDs in applied magnetic fields.

Romans, E J*; Rozhko, S*; Young, L*; Blois, A*; Hao, L; Cox, D; Gallop, J C (2011) Noise performance of Niobium Nano-SQUIDs in applied magnetic fields. IEEE Trans. Appl. Supercond., 21 (3). pp. 404-407.

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Abstract

We have fabricated two different designs of niobium dc nano-SQUIDs using focussed ion beam (FIB) lithography with loops and track widths down to 70 nm. We report on the voltage-flux and noise performance of the devices in zero field and with magnetic fields of up to 1 T applied either in-plane or perpendicular to the plane at temperatures between 5 K and 9 K. We compare the measurements with modelled estimates of the inductance of the structures and the conventional theory of noise in dc SQUIDs.

Item Type: Article
Keywords: NanoSQUID, Magnetic field sensitivity
Subjects: Quantum Phenomena
Quantum Phenomena > Nanophysics
Identification number/DOI: 10.1109/TASC.2010.2090851
Last Modified: 02 Feb 2018 13:14
URI: http://eprintspublications.npl.co.uk/id/eprint/5042

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