Bruker ESR5000

The Bruker ESR5000 EPR spectrometer is a benchtop, continuous-wave (CW), X-band (9.4 GHz) EPR spectrometer with a variety of attachments and modes. These include room temperature use, variable temperature (100-400K), liquid nitrogen finger dewar, optical irradiation unit, and a flat cell adaptor.

Specifications

Frequency:

  • X-band (9.4 GHz)

Field Strength:

  • 100 – 650 mT

Microwave Power:

  • 100 mW – 1 μW

Sample Size:

  • 4 mm O.D. tube (with cryostat and Finger Dewar)
  • 3 – 6 mm O.D. tube at room temperature (RT)

Temperature:

  • 298 (RT)
  • 100 – 400 K (Variable Temperature cryostat)
  • 77 K (Finger Dewar)

Cryostat:

  • Liquid Nitrogen Temperature Controller TCH04

Optical Source:

  • Hammatsu Module E8000131 (300 – 800 nm)

Software:

  • ESRStudio (Bruker)

Experimental

Resonator:

  • Continuous-wave (CW) perpendicular mode high-sensitivity resonator (TE102 rectangle)

Optical Power:

  • 300 – 800 nm (4500 mW/cm2 at 364 nm)

Time resolution:

  • 1 ms

Availability

Access/Training:

  • Request an appointment via FOM (Internal users)
  • Email Luke Lewis (External Users)

Time:

  • Users can sign up for RT and 77 K temperatures M-F at any time. Users can sign-up on FOM from 9am to 5pm (M-F) for the variable temperature setup (100 – 300 K).  Experienced users can request access to use during nights & weekends.

Point of Contact: