Articles | Volume 2, issue 2
Research article
20 Aug 2021
Research article |  | 20 Aug 2021

Solid-state 1H spin polarimetry by 13CH3 nuclear magnetic resonance

Stuart J. Elliott, Quentin Stern, and Sami Jannin

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Cited articles

Abragam, A., and Goldman, M.: Principles of dynamic nuclear polarisation, Rep. Prog. Phys., 41, 395–467,, 1978. 
Aghelnejad, B., Marhabaie, S., Baudin, M., Bodenhausen, G., and Carnevale, D.: Spin Thermometry: A Straightforward Measure of Millikelvin Deuterium Spin Temperatures Achieved by Dynamic Nuclear Polarization, J. Phys. Chem. Lett., 11, 3219–3225,, 2020. 
Ardenkjær-Larsen, J. H., Fridlund, B., Gram, A., Hansson, G., Hansson, L., Lerche, M. H., Servin, R., Thaning, M., and Golman, K.: Increase in signal-to-noise ratio of > 10 000 times in liquid-state NMR, P. Natl. Acad. Sci. USA, 100, 10158–10163,, 2003. 
Bornet, A., Milani, J., Vuichoud, B., Perez Linde, A. J., Bodenhausen, G., and Jannin, S.: Microwave frequency modulation to enhance Dissolution Dynamic Nuclear Polarization, Chem. Phys. Lett., 602, 63–67,, 2014. 
Bornet, A., Pinon, A. C., Jhajharia, A., Baudin, M., Ji, X., Emsley, L., Bodenhausen, G., Ardenkjær-Larsen, J. H., and Jannin, S.: Microwave-gated dynamic nuclear polarization, Phys. Chem. Chem. Phys., 18, 30530–30535,, 2016. 
Short summary
A straightforward line shape analysis of the 13C NMR spectra of [2-13C]sodium acetate can be used to indirectly evaluate the 13H polarization of the CH3 group and likely entire samples in the case of rapid and homogeneous 13H–1H spin diffusion. The results are potentially advantageous for polarizers that lack 1H radiofrequency hardware, measurements that are influenced by radiation damping or large background signals, or where acquisition of thermal equilibrium spectra is not feasible.