Category
Materials characterization
Manufacturer and Model
Bruker - Elexsys-II E500
Specifications
X-band CW EPR:
- Working frequency range: 9.2 – 9.9 GHz
- Output microwave power in levelled mode: 200 mW;
- Super-High Sensitivity CW-EPR Resonator
- Unloaded Q-factor: > 16 000
- Max modulation amplitude: 20 G
- Window for optical access
- Weak Pitch signal-to-noise ratio: 3000 : 1
- Absolute sensitivity: 1.0 x 109 spins / 1 G line width
- Low temperature measurements: 3.8 – 298 K operated with liquid helium flow cryostat
- Measurements at 77 K with liquid nitrogen finger dewars
- Automated goniometer for angular dependency measurements of single crystals
Q-Band CW EPR
- Working frequency range: 33.85 – 34.15 GHz
- Max output microwave power: 80 mW
- Max sample access: Æ3 mm
- Max modulation amplitude: 20 G (100 KHz)
- Weak Pitch signal-to-noise ratio: 2000 : 1
- Absolute sensitivity: 1 x 109 spins / 1 G line width
- Low temperature measurements: 3.8 – 298 K operated with liquid helium low crysostat. For Q-band measurements whole cavity is cooled
Magnetic field Specs
- Operating range: -1 … +17 kG
- Integrated rapid scan coils
- Impedance 3 Ω, water cooled
- Rapid scan
- Magnetic field ramp range: up to 200 G
- Scan rate: up to 200 Hz
X-BAND CW ENDOR Unit DICE-II CW ENDOR/TRIPLE System
- X-Band CW
- Frequency modulation with up 100 kHz rate and
- up to 5 MHz amplitude
- Amplitude modulation with 50 % duty cycle
- ENDOR Induced EPR (EIE)
- 2D ENDOR vs. Magnetic Field
