University of Nottingham

Bruker Avance Neo 800 MHz NMR Spectrometer equipped with solution-state cryoprobe, sample changer for solution-state NMR, and HX 3.2 mm (MAS up to 24 kHz), HCN 3.2 mm HX low gamma 3.2 mm and HX 1.3 mm (MAS up to 65 kHz) solid-state NMR probes

Bruker Avance III 600 MHz/395GHz DNP MAS NMR spectrometer equipped with an autonomous helium recycling system (Ascend Aeon design)

Probes:

• 3.2 mm triple resonance low-temperature HXY MAS probe optimized for ¹³C and/or ¹⁵N observation with ¹H high power decoupling, maximum MAS frequency 24 kHz at room temperature and 14 kHz at 100 K, with interchangeable inserts. Typical combinations are enlisted below. Please send us an email to enquire the feasibility of other combinations

• 3.2 mm HX (³¹P-¹⁰⁹Ag) double resonance MAS probe for solid-state DNP-NMR measurements, maximum MAS frequency 24 kHz at room temperature and 14 kHz at 100 K
• 3.2 mm HX and HXY probes can also be modified with the ¹H channel tunable to ¹⁹F

Gyrotron system:

Microwave source type: Gyrotron

Operation frequency: 395 GHz

Frequency stability: ± 10 ppm over 12 hrs

Output power: 1 – 50 W

Available Radicals: AMUPol, TEKPol, TOTAPOL.

Polarisation via endogenous radicals can also be carried out, please contact us for further details

Unique dual-core (two fields) magnet in the group of Dr. Walter Köckenberger to combine low-temperature DNP with liquid-state NMR and additional provisions for dissolution and solid-state DNP. Please contact Dr. Walter Köckenberger for further details.