Cryogenics and Measurement
AssemblyCools a sample to 77 K on a dip probe, or lower in a closed-cycle cryostat, and measures four-probe resistance, AC susceptibility and magnet levitation. A current source and nanovoltmeter carry the resistance measurement, and a lock-in amplifier with a wound coil set carries the susceptibility. A full specification article for this item is being written. Meanwhile its bill of materials and connections are below.
Bill of materials for Cryogenics and Measurement
18 top-level lines as of r193860| # | Item / sub-assembly | Part no. | Qty/assy | Ext. qty | Parts | Type |
|---|---|---|---|---|---|---|
| 1 | Liquid Nitrogen Storage Dewar | liquid-nitrogen-storage-dewar | 1× | 1 | · | part |
| 2 | Open Benchtop Dewar Flask | open-benchtop-dewar-flask | 2× | 2 | · | part |
| 3 | Nitrogen Dip Probe or Pour-Fill Cryostat | nitrogen-dip-probe-or-pour-fill-cryostat | 1× | 1 | · | part |
| 4 | Closed-Cycle Cryostat | closed-cycle-cryostat | 1× | 1 | · | part |
| 5 | Cryogenic Temperature Controller | cryogenic-temperature-controller | 1× | 1 | · | part |
| 6 | Cryogenic Temperature Sensors | cryogenic-temperature-sensors | 3× | 3 | · | part |
| 7 | Precision Current Source | precision-current-source | 1× | 1 | · | part |
| 8 | Nanovoltmeter | nanovoltmeter | 1× | 1 | · | part |
| 9 | Lock-In Amplifier | lock-in-amplifier | 1× | 1 | · | part |
| 10 | AC Susceptibility Coil Set | ac-susceptibility-coil-set | 1× | 1 | · | part |
| 11 | Gaussmeter with Hall Probe | gaussmeter-with-hall-probe | 1× | 1 | · | part |
| 12 | Neodymium Magnet | neodymium-magnet | 10× | 10 | · | part |
| 13 | Bench Digital Multimeter | bench-digital-multimeter | 1× | 1 | · | part |
| 14 | GPIB to USB Interface | gpib-to-usb-interface | 1× | 1 | · | part |
| 15 | Silver Paint, Silver Epoxy and Indium | silver-paint-silver-epoxy-and-indium | 1× | 1 | · | part |
| 16 | Cryogenic Lead Wire and Fine Contact Wire | cryogenic-lead-wire-and-fine-contact-wire | 1× | 1 | · | part |
| 17 | Cryogenic Varnish, Grease and Polyimide Tape | cryogenic-varnish-grease-and-polyimide-tape | 1× | 1 | · | part |
| 18 | SQUID Magnetometer or PPMS (Facility Access) | squid-magnetometer-or-ppms-facility-access | 1× | 1 | · | part |