QD 14 Tesla PPMS – Systems
The PPMS is an automatic low-temperature and magnet system for measuring material properties such as specific heat, magnetic AC- and DC- susceptibility and electrical and thermal transport properties (such as the Hall effect, thermoelectric effectiveness and the Seebeck effect).
AC / DC MAGNETIZATION
| Temperature Range | 1.9 – 350 K |
| AC Frequency Range | 10 Hz to 10 kHz |
| AC Field Amplitude Range | 2 mOe to 15 Oe |
| DC Magnetization Measurements | 2.5 x 10-5 emu to 5 emu |
| AC Susceptibility Measurements | 2 x 10-8 emu @ 10 kHz |
VSM measurement parameters
| Temperature Range | 1.9 – 350 K |
| VSM oscillation frequency | 40 Hz |
| VSM oscillation amplitude | 2 mm peak |
Torque Magnetometry (to be used with horizontal rotator)
| Temperature Range | 1.9 – 350 K |
| Sample Size | up to 2 x 2 mm2 |
| Sample Mass | up to 10 mg (depending on anisotropy) |
Electro-Transport (to be used with horizontal rotator)
|
Noise |
|
Thermal Measurements
| Temperature Range | 1.9 – 400 K |
| Sample Size | 1 – 200 mg (20 mg, typ.) |
| Heat Capacity resolution | 10 nJ/K @ 2 K |
| Measurement Accuracy | < 5%, 2–300 K < 2%, typ |
| Working Pressure | < 0.01 mTorr (with charcoal holder) |
Thermal Transport Option
| Thermal conductivity |
| Seebeck coefficient |
| Electrical resistivity |
| Thermoelectric figure of merit |
In-house developed insert for magnetostriction measurements
| Simultaneous measurements |
| Single sample characterization |
| Uniform same conditions |
| Precise temperature control |
HMD Pressure Cell
| Maximum Applied Pressure | 1.3 GPa |
| Sample Space Diameter | 1.7 or 2.2 mm |
| Sample Space Length | 7 mm max |
| Cell Diameter | 8.5 mm |
| Temperature Range | 1.9 to 400K |
