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https://doi.org/10.5194/mr-2020-10
© Author(s) 2020. This work is distributed under
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/mr-2020-10
© Author(s) 2020. This work is distributed under
the Creative Commons Attribution 4.0 License.

  22 Jul 2020

22 Jul 2020

Review status
A revised version of this preprint was accepted for the journal MR and is expected to appear here in due course.

Hyperfine spectroscopy in a quantum-limited spectrometer

Sebastian Probst1, Gengli Zhang2, Miloš Rančić1, Vishal Ranjan1, Marianne Le Dantec1, Zhonghan Zhang3, Bartolo Albanese1, Andrin Doll4, Ren Bao Liu2, John Morton5, Thierry Chanelière6, Philippe Goldner3, Denis Vion1, Daniel Esteve1, and Patrice Bertet1 Sebastian Probst et al.
  • 1Quantronics group, SPEC, CEA, CNRS, Université Paris-Saclay, CEA Saclay 91191 Gif-sur-Yvette Cedex, France
  • 2Department of Physics and The Hong Kong Institute of Quantum Information Science and Technology, The Chinese University of Hong Kong, Shatin, New Territories, Hong Kong, China
  • 3Chimie ParisTech, PSL University, CNRS, Institut de Recherche de Chimie Paris, 75005 Paris, France
  • 4Laboratory of nanomagnetism and oxides, SPEC, CEA, CNRS, Université Paris-Saclay, CEA Saclay 91191 Gif-sur-Yvette Cedex, France
  • 5London Centre for Nanotechnology, University College London, London WC1H 0AH, United Kingdom
  • 6Univ. Grenoble Alpes, CNRS, Grenoble INP, Institut Néel, 38000 Grenoble, France

Abstract. We report measurements of electron spin echo envelope modulation (ESEEM) performed at millikelvin temperatures in a custom-built high-sensitivity spectrometer based on superconducting micro-resonators. The high quality factor and small mode volume (down to 0.2 pL) of the resonator allow to probe a small number of spins, down to 5 ⋅ 102. We measure 2-pulse ESEEM on two systems: erbium ions coupled to 183W nuclei in a natural-abundance CaWO4 crystal, and bismuth donors coupled to residual 29Si nuclei in a silicon substrate that was isotopically enriched in the 28Si isotope. We also measure 3- and 5-pulse ESEEM for the bismuth donors in silicon. Quantitative agreement is obtained for both the hyperfine coupling strength of proximal nuclei, and the nuclear spin concentration.

Sebastian Probst et al.

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Sebastian Probst et al.

Data sets

Replication Data for: Hyperfine spectroscopy in a quantum-limited spectrometer (2020) Probst, S; Zhang, G.-L; Rančić, M; Ranjan, V; Le Dantec, M; Zhong, Z; Albanese, B; Doll, A; Liu, R.-B; Morton, J.J.L; Chanelière, T; Goldner, P; Vion, D; Esteve, D; Bertet, P https://doi.org/10.7910/DVN/ZJ2EEX

Sebastian Probst et al.

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Latest update: 01 Dec 2020
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Short summary
Here we demonstrate that Electron Spin Resonance (ESR) spectroscopy at millikelvin temperatures can be performed with a spectrometer comprised of a thin-film superconducting resonator and Josephson Parametric Amplifier (JPA) with sufficient bandwidth to detect Electron Spin Echo Envelope Modulation (ESEEM) while maintaining high spin-detection sensitivity.
Here we demonstrate that Electron Spin Resonance (ESR) spectroscopy at millikelvin temperatures...
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