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catVTM

catVTM. Controled atmosphere Vibrating magnetometer. Sample environment. Argon output. Sample Length 12mm Max Diameter 10mm Max. Motion Fosc = 8Hz Amp =15.84mm. Z applied Controlled field 0 to+-150µT. Argon input. Thermocouple. Signal. Moving Sample Holder. Coils Z axis

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catVTM

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  1. catVTM Controled atmosphere Vibrating magnetometer

  2. Sample environment Argon output Sample Length 12mm Max Diameter 10mm Max Motion Fosc = 8Hz Amp =15.84mm Z applied Controlled field 0 to+-150µT Argon input Thermocouple Signal Moving Sample Holder Coils Z axis Magnetic moment Sensor X Y Coils Field canceled Heater Room to 700°C Cooler Mumetal screens

  3. Preparing the Experiment A succession of profiles predifined by the user: what is a profile ? one ramp caracterized by: heating or cooling rate. Field to be applied during the ramp. the dwelling temperature to reach. Field to be applied at this stage Possibility to link as many profiles as needed.

  4. Dwelling time : 0 to hours Dwell Field • Profiles.txt • 7 0 100 50 10 • 50 200 0 5 • . Experiment: One or Many Profiles One File Heating or cooling rate °C/min Ramp field µT Dwell Temperature °C Dwell field µT Dwell time min Temperature Time

  5. Running the experiment • A labview program runs automatically the profiles.txt file • Every profile (one line in profiles.txt ) measurement is saved in one file.dat • Possibility to modify the Profiles while the experiment is running by removing or adding line(s)

  6. Results:

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