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Transition-Selective Pulses in Zero-Field Nuclear Magnetic Resonance.
Sjolander, Tobias F; Tayler, Michael C D; King, Jonathan P; Budker, Dmitry; Pines, Alexander.
Afiliação
  • Sjolander TF; Department of Chemistry, University of California at Berkeley , Berkeley, California 94720-3220, United States.
  • Tayler MC; Department of Physics, University of California at Berkeley , Berkeley, California 94720-7300, United States.
  • King JP; Magnetic Resonance Research Centre, Department of Chemical Engineering and Biotechnology, University of Cambridge , Pembroke Street, Cambridge CB2 3RA, U.K.
  • Budker D; Department of Chemistry, University of California at Berkeley , Berkeley, California 94720-3220, United States.
  • Pines A; Materials Science Division, Lawrence Berkeley National Laboratory , Berkeley California 94720-3220, United States.
J Phys Chem A ; 120(25): 4343-8, 2016 Jun 30.
Article em En | MEDLINE | ID: mdl-27243376
ABSTRACT
We use low-amplitude, ultralow frequency pulses to drive nuclear spin transitions in zero and ultralow magnetic fields. In analogy to high-field NMR, a range of sophisticated experiments becomes available as these allow narrow-band excitation. As a first demonstration, pulses with excitation bandwidths 0.5-5 Hz are used for population redistribution, selective excitation, and coherence filtration. These methods are helpful when interpreting zero- and ultralow-field NMR spectra that contain a large number of transitions.

Texto completo: 1 Base de dados: MEDLINE Idioma: En Revista: J Phys Chem A Assunto da revista: QUIMICA Ano de publicação: 2016 Tipo de documento: Article País de afiliação: Estados Unidos

Texto completo: 1 Base de dados: MEDLINE Idioma: En Revista: J Phys Chem A Assunto da revista: QUIMICA Ano de publicação: 2016 Tipo de documento: Article País de afiliação: Estados Unidos