SQUID – Superconducting Quantum Interference Device
The MPMS SQUID VSM DC Magnetometer offers you ≤10-8 emu sensitivity with only 4 second data averaging.
System Specifications
1. Temperature control:
• operating Range – 1.8 K to 1000 K;
• cooling rate: 30 K/min (300 K to 10 K stable in 15 min., typical), 10 K/min (10 K to 1.8 K stable in 5 min., typical);
• temperature stability – +/- 0.5%;
• temperature accuracy – lesser of +/- 1% or 0.5 K;
• sample chamber I.D. – 9 mm.
2. Magnetic field control:
• magnetic field range – -70 kOe to +70 kOe;
• field uniformity – 0.01% over 4 cm;
• field charging rate – 4 Oe/sec to 700 Oe/sec;
• field charging resolution – 0.33 Oe;
• remanent field – ~5 Oe (typical), when oscillating from full field back to 0.
3. Magnetization measurements:
• maximum DC-moment – 10 emu;
• sensitivity: ≤ 2.500 Oe: < 1⋅10-8 emu (with less than 10 sec. averaging), 2.500 Oe: < 8⋅10-8 emu (with less than 10 sec. averaging);
• variable drive amplitude – 0.1 to 8 mm (peak).
4. General System Details:
• power requirements: 200-230 VAC, 50/60 Hz, 10A Max;
• liquid helium usage – 4 liters/day (typical) + 0.05 liters per sample cooldown;
• liquid helium capacity – 65 liters;
• liquid nitrogen usage – 5 liters/day (typical);
• liquid nitrogen capacity – 60 liters;
• maximum hold time – 12 days (typical).
