Study of electron spectral diffusion process under DNP conditions by ELDOR spectroscopy focusing on the <sup>14</sup>N solid effect

Ramirez Cohen, Marie; Feintuch, Akiva; Goldfarb, Daniella; Vega, Shimon

doi:https://doi.org/10.5194/mr-1-45-2020

Articles | Volume 1, issue 1

https://doi.org/10.5194/mr-1-45-2020

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

https://doi.org/10.5194/mr-1-45-2020

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

Articles | Volume 1, issue 1

Research article

|

04 May 2020

Research article |

| 04 May 2020

Study of electron spectral diffusion process under DNP conditions by ELDOR spectroscopy focusing on the ¹⁴N solid effect

Marie Ramirez Cohen, Akiva Feintuch, Daniella Goldfarb, and Shimon Vega

Supplement

https://doi.org/10.5194/mr-1-45-2020-supplement

Data sets

Study of electron spectral diffusion process under DNP conditions by ELDOR spectroscopy focusing on the 14N solid effect M. Ramirez-Cohen, A. Feintuch, D. Goldfarb, and S. Vega https://doi.org/10.5281/zenodo.3757682

Short summary

DNP is a method used to enhance NMR signals by transferring polarization from radicals to nuclear spins using microwave irradiation. The EPR spectrum of the radical during the irradiation is determined by a process called spectral diffusion and affects the DNP efficiency. This process can be measured by electron–electron double resonance. We explored experimentally and theoretically the contribution of the hyperfine coupling of the ¹⁴N nuclei in the nitroxide radical to the spectral diffusion.