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833 MHz Ultra-Narrow Bore NMR magnet

Specs

  • Designation: Solid State NMR
  • Location: Tallahassee
  • Field: 19.6 Tesla
  • Bore size: 31 mm
  • 1 ppm homogeneity over 1 cm3 without RT shims
  • 0.1 ppm homogeneity over 1 cm3 with RT shims
  • 9 channels room-temperature shims by Doty
  • RT shims ID = 28.9 mm
  • RT shims flange to COF distance = 579 mm +/- 2 mm
  • 3-channel Bruker DRX console
  • Integrated VT controller by Bruker
  • 1 kW 30-325 MHz linear amplifier
  • 1 kW 30-325 MHz linear amplifier
  • 1 kW 1H/19F switchable linear amplifier

Commercial Probes

  1. ICBP (Estonia) 2.75 mm, 24 kHz MAS probe, 1H/X (X = 30-320 MHz)
  2. Doty single resonance wideline flat sample probe (2.5x7.5x10 mm), VT
  3. Doty 1H/19F double resonance flat sample probe (2.5x7.5x10 mm), VT

NHMFL Probes Developed In-House

  1. 4mm, 10 kHz MAS probe, low & mid-gamma nuclei
  2. 2mm, 40 kHz fast MAS probe, low & mid-gamma nuclei
  3. 2mm, 40 kHz fast MAS probe, 19F and 1H
  4. 7mm, 8-12 kHz MAS probe, low-gamma nuclei
  5. Static VT probe, 5mm and less, low & mid-gamma nuclei, -60°C to +100°C
  6. Stray Field Imaging (STRAFI) probe, 10 mm sample
  7. Fourier Transform STRAFI probe, for very thin samples
  8. Variable Temperature Cell, for alignment and polymerization of protein samples

Time Schedule

DatesRequested byProject Title
04/01/08 - 04/20/08 Gan, Zhehong Polarization Enhancement for Quadrupolar Nuclei NMR
04/21/08 - 05/04/08 Gan, Zhehong Natural Abundant 43Ca NMR
05/05/08 - 05/11/08 An, Linan Si, C, and N NMR of SiCN amorphous ceramics
05/12/08 - 05/31/08 Sideris, Paul 27Al and 25Mg MAS NMR Studies of Nitridated Zeolites and Lay...
 06/01/08 -Available-

Research proposals and requests for instrument time on this spectrometer can be submitted online at users.magnet.fsu.edu.