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Inductive-detection electron-spin resonance spectroscopy with 65 spins/root Hz sensitivity

Probst, S; Bienfait, A; Campagne-Ibarcq, P; Pla, JJ; Albanese, B; Barbosa, JFDS; Schenkel, T; ... Bertet, P; + view all (2017) Inductive-detection electron-spin resonance spectroscopy with 65 spins/root Hz sensitivity. Applied Physics Letters , 111 (20) 10.1063/1.5002540. Green open access

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Abstract

We report electron spin resonance spectroscopy measurements performed at millikelvin temperatures in a custom-built spectrometer comprising a superconducting micro-resonator at 7 GHz and a Josephson parametric amplifier. Owing to the small (∼10−12λ3∼10−12λ3) magnetic resonator mode volume and to the low noise of the parametric amplifier, the spectrometer's single shot sensitivity reaches 260 ± 40 spins/echo translating into 65±10  spins/Hz⎯⎯⎯⎯⎯√65±10  spins/Hz for repeated acquisition.

Type: Article
Title: Inductive-detection electron-spin resonance spectroscopy with 65 spins/root Hz sensitivity
Open access status: An open access version is available from UCL Discovery
DOI: 10.1063/1.5002540
Publisher version: https://doi.org/10.1063/1.5002540
Language: English
Additional information: This version is the version of record. For information on re-use, please refer to the publisher’s terms and conditions.
Keywords: Science & Technology, Physical Sciences, Physics, Applied, Physics, MAGNETIC-RESONANCE, QUANTUM INFORMATION, SILICON, MICROSCOPY
UCL classification: UCL > Provost and Vice Provost Offices
UCL > Provost and Vice Provost Offices > UCL BEAMS
UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Maths and Physical Sciences
UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Maths and Physical Sciences > London Centre for Nanotechnology
URI: http://discovery.ucl.ac.uk/id/eprint/10040096
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