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VersaLab Cryo-free VSM

VersaLab Cryo-free VSM. System Electronics. Magnet power Supply. VSM linear motor sample drive. 3 Tesla Niobium-Titanium superconducting magnet. Sumitomo 4K CryoCooler. VersaLab Cryo-free VSM Overview. Cryo-free using small Sumitomo 4 K CryoCooler

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VersaLab Cryo-free VSM

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  1. VersaLab Cryo-free VSM System Electronics Magnet power Supply VSM linear motor sample drive 3 Tesla Niobium-Titanium superconducting magnet Sumitomo 4K CryoCooler

  2. VersaLab Cryo-free VSM Overview • Cryo-free using small Sumitomo 4 K CryoCooler • Offers sensitivity of better than 1 x 10-6 emu • 3 tesla superconducting magnet • Temperature Range: 50 to 400 K • Cooling Down Time: ~ 90 minutes • VSM Sample Space: 6 mm (and an optional 1.2 cm)

  3. VersaLab Cryo-free VSM Field Control • Magnet Design: Conductively-cooled NbTi Superconducting • Magnetic Field Range: -30 kOe to +30 kOe • Field Uniformity: 0.1% over 2.4 cm • Field Charging Rate: 0.1 Oe/sec to 300 Oe/sec • Field Setting Resolution: 60 mOe

  4. Sensitivity • NiFe thin film from NIST • RMS noise < 10-6 emu @ 1 sec averaging

  5. Sensitivity

  6. Noise

  7. Field Control

  8. VersaLab Cryo-free VSM Future Options • 1000 K Oven • Heat Capacity Measurements • AC Transport Electrical Measurements • Sample Rotation

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