CIREM@Solbosch

Shielded 7.0 Tesla Superconducting Magnet (300 MHz)

2-channel console with pulsed field gradient (PFG) and variable temperature (VT) units

Air cooling device

Probes:
– 5 mm probe with z-PFG for double resonance ³¹P-¹⁰⁹Ag/¹H experiments
– 10 mm probe for double resonance ³¹P-¹⁰⁹Ag/¹H experiments

Shielded 9.4 Tesla Superconducting Magnet (400 MHz)

3-channel console (high, high, low) with pulsed field gradient (PFG) and variable temperature (VT) units

FTS air-cooling device

9-sample carousel for automation

Probes:

– 5 mm OneNMR probe (direct detection) with z-PFG and auto-tune for double resonance ³¹P-¹⁵N/¹H-¹⁹F experiments
– 5 mm ASW probe (direct detection) with z-PFG for triple and quadruple resonance ³¹P-¹⁵N/¹H/¹⁹F and ³¹P/¹³C/¹H/¹⁹F experiments

– 5 mm HCX probe (indirect detection) with z-PFG for triple resonance ¹H/¹³C/³¹P-¹⁵N/ experiments
– 10 mm probe (direct detection) for double resonance ³¹P-¹⁵N/¹H experiments

• Microwave Unit:
  • Working frequency range: X-band;
  • Microwave power: 1 µW – 100 mW.
• Universal CW-EPR Resonator:
  • Well suited for all sample types;
  • Max sample access: OD 6 mm;
  • Max modulation amplitude: 10 G;
  • Concentration sensitivity: 50 pM;
  • Absolute sensitivity: 5*10⁹ spins/Gauss.
• Magnet Unit:
  • Maximum magnetic field: 6500 G.

Liquid nitrogen variable temperature unit (-180 to +200 °C)

Flat cell cuvette for aqueous samples

Direct optical stimulation in the resonator (trigger box for BNC control of Prizmatix LED lasers at 405 and 460 nm or CNI LED laser at 532 nm)

Electrochemical cell for spectroelectrochemistry experiments (in combination with a Metrohm Autolab PGSTAT 204 potentiostat)

Softwares: Bruker ESR Studio including SpinFit and SpinCount modules for quantification and simulation of isotropic signals, Bruker Xenon including AnisoSpinFit module for simulation of anisotropic signals.