Two-probe direct-current conductivity with Keithley 2611 sourcemeter in PPMS liquid-He cryostat
pressed pellet of 1 · Pellet
Pressed pellet, 1 V applied voltage, gold-wire/carbon-paste contacts; conductivity measured under helium atmosphere.
| Property | Reported value | Normalised value | Uncertainty | Origin and quality | Source |
|---|---|---|---|---|---|
| conductivity detection-limit upper bound for 1 | sigma < 10-9 S cm-1 | 1e-7 S m-1 | upper bound | Text Approximate | 8621 · Main text · Fig. 5 |