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Elsevier, Chemical Physics Letters, 1-3(488), p. 10-16

DOI: 10.1016/j.cplett.2010.01.072

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Broadband magnetization transfer using moderate radio-frequency fields for NMR with very high static fields and spinning speeds

Journal article published in 2010 by Weingarth Markus, M; Bodenhausen G. Weingarth ORCID, Geoffrey Bodenhausen, Piotr Tekely
This paper is available in a repository.
This paper is available in a repository.

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Abstract

We introduce a new dipolar recoupling scheme, dubbed PARIS-xy (phase-alternated recoupling irradiation scheme using orthogonal radio-frequency phases), to promote efficient broadband magnetization exchange between 13C nuclei using moderate radio-frequency amplitudes at very high magnetic field strengths and spinning speeds. Experimental observations for a wide range of spinning frequencies 30 ⩽ νrot ⩽ 60 kHz and magnetic field strengths (B0 = 9.4, 17.6 and 21.2 T) are backed up by numerical simulations.