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Refocused linewidths less than 10 Hz in 1H solid-state NMR

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Author(s)

  • Federico M. Paruzzo
  • Gabriele Stevanato
  • Meghan Eileen Halse
  • Judith Schlagnitweit
  • Daniele Mammoli
  • Anne Lesage
  • Lyndon Emsley

Department/unit(s)

Publication details

JournalJournal of Magnetic Resonance
DateAccepted/In press - 1 Jun 2018
DateE-pub ahead of print (current) - 2 Jun 2018
Volume293
Pages (from-to)41-46
Early online date2/06/18
Original languageEnglish

Abstract

Coherence lifetimes in homonuclear dipolar decoupled 1
H solid-state NMR experiments are usually on
the order of a few ms. We discover an oscillation that limits the lifetime of the coherences by recording
spin-echo dephasing curves. We find that this oscillation can be removed by the application of a double
spin-echo experiment, leading to coherence lifetimes of more than 45 ms in adamantane and more that
22 ms in b-AspAla, corresponding to refocused linewidths of less than 7 and 14 Hz respectively.

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© 2018 Elsevier Inc. All rights reserved. This is an author-produced version of the published paper. Uploaded in accordance with the publisher’s self-archiving policy.

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