Distance measurement between trityl radicals by pulse dressed electron paramagnetic resonance with phase modulation

Wili, Nino; Hintz, Henrik; Vanas, Agathe; Godt, Adelheid; Jeschke, Gunnar

doi:https://doi.org/10.5194/mr-1-75-2020

Articles | Volume 1, issue 1

https://doi.org/10.5194/mr-1-75-2020

© Author(s) 2020. This work is distributed under
the Creative Commons Attribution 4.0 License.

https://doi.org/10.5194/mr-1-75-2020

© Author(s) 2020. This work is distributed under
the Creative Commons Attribution 4.0 License.

Articles | Volume 1, issue 1

Research article

|

15 May 2020

Research article |

| 15 May 2020

Distance measurement between trityl radicals by pulse dressed electron paramagnetic resonance with phase modulation

Nino Wili, Henrik Hintz, Agathe Vanas, Adelheid Godt, and Gunnar Jeschke

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Final revised paper (published on 15 May 2020)
Supplement to the final revised paper
Preprint (discussion started on 19 Mar 2020)
Supplement to the preprint

Interactive discussion

Status: closed

AC: Author comment | RC: Referee comment | SC: Short comment | EC: Editor comment

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- Supplement

SC1: 'Distance measurement between trityl radicals by pulse dressed electron paramagnetic resonance with phase modulation', Angeliki Giannoulis, 24 Mar 2020
- AC1: 'SIFTER data now in SI', Nino Wili, 14 Apr 2020
RC1: 'Review comments to the manuscript by Wili et al. on Dressed state phase modulated echos on trityl radicals at Q-band', Thomas Prisner, 29 Mar 2020
- AC3: 'Answer to review', Nino Wili, 14 Apr 2020
SC2: 'comment', Daniella Goldfarb, 30 Mar 2020
- AC2: 'More details on the pulse sequence in SI', Nino Wili, 14 Apr 2020
RC2: 'Comments on ‘Distance measurements between trityl radicals by pulse dressed electron paramagnetic resonance with phase modulation’ by N. Wili, et al.', Jack H. Freed, 02 Apr 2020
- AC4: 'Answer to review', Nino Wili, 14 Apr 2020
  - AC5: 'Outlook regarding the temperature dependence', Nino Wili, 22 Apr 2020

Peer-review completion

AR: Author's response | RR: Referee report | ED: Editor decision

AR by Nino Wili on behalf of the Authors (17 Apr 2020) Author's response Manuscript

ED: Publish subject to minor revisions (review by editor) (22 Apr 2020) by Robert Bittl

AR by Nino Wili on behalf of the Authors (22 Apr 2020) Author's response Manuscript

ED: Publish as is (29 Apr 2020) by Robert Bittl

Short summary

Measuring distances between unpaired electron spins is an important application of electron paramagnetic resonance. The longest distance that is accessible is limited by the phase memory time of the electron spins. Here we show that strong continuous microwave irradiation can significantly slow down relaxation. Additionally, we introduce a phase-modulation scheme that allows measurement of the distance during the irradiation. Our approach could thus significantly extend the accessible distances.