A 4-mm probe for (13)C CP/MAS NMR of solids at 21.15 T

The design of a broadband 4-mm magic-angle spinning (MAS) X-(1)H/(19)F double resonance probe for cross-polarization (CP)/MAS NMR studies at 21.15 T ((1)H at 900 MHz) is described. The high-frequency (1)H/(19)F channel employs a new and efficient transmission line tuning design. The first (13)C CP/M...

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Bibliographic Details
Published inJournal of magnetic resonance (1997) Vol. 156; no. 1; pp. 152 - 154
Main Authors Jakobsen, H J, Daugaard, P, Hald, E, Rice, D, Kupce, E, Ellis, P D
Format Journal Article
LanguageEnglish
Published United States 01.05.2002
Subjects
Benzene Derivatives - chemistry
Equipment Design
Magnetic Resonance Spectroscopy - instrumentation
Magnetic Resonance Spectroscopy - methods
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Summary:The design of a broadband 4-mm magic-angle spinning (MAS) X-(1)H/(19)F double resonance probe for cross-polarization (CP)/MAS NMR studies at 21.15 T ((1)H at 900 MHz) is described. The high-frequency (1)H/(19)F channel employs a new and efficient transmission line tuning design. The first (13)C CP/MAS NMR spectra recorded at 21.15 T have been obtained with this probe and exhibit the best S/N per milligram sample of hexamethylbenzene achieved so far for a 4-mm rotor.
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ISSN:1090-7807
DOI:10.1006/jmre.2002.2533