2014/02/16
| 0025 | DAQ returned error this afternoon while taking second series at Q = 0 V, P = -6 V biases. Checked connection to DCRC and cannot see anything wrong. Plenty of disk space. Not sure what happened. |
|---|---|
| Commence data acquisition. Initial flash for 4 hours followed by 2-hour cooldown. Two data series per bias. Acquisition/flash/cooldown = 5/0.1/20 minutes with bias settings listed below: |
| Q [V] | 0 | -2.4 | 0 | 2.4 | 0 | -2 | 0 | 2 | 0 | -1.6 | 0 | 1.6 | 0 | -1.4 | 0 | 1.4 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| P [V] | -6 | -6 | 6 | 6 | -5 | -5 | 5 | 5 | -4 | -4 | 4 | 4 | -3.5 | -3.5 | 3.5 | 3.5 |
| 2110 | Fill N2 cold trap full. |
|---|---|
| 2355 | Commence data acquisition. Initial flash for 4 hours followed by 2-hour cooldown. Four data series per bias. Acquisition/flash/cooldown = 5/0.1/20 minutes with bias settings listed below: |
| Q [V] | 0 | -1.2 | 0 | 1.2 | 0 | -1 | 0 | 1 |
|---|---|---|---|---|---|---|---|---|
| P [V] | -3 | -3 | 3 | 3 | -2.5 | -2.5 | 2.5 | 2.5 |