have reported on the high thermopower of dilute goldiron alloys as compared with gold-cobalt alloys below 15 Β° K. They have found that the gold-iron thermopower at 1 Β° K is ten times higher than the thermopower of gold-cobalt and that the calibration of any given gold-iron thermocouple is reproducib
Low temperature thermoelectric power of gold-iron versus silver normal thermocouples
β Scribed by J.T. Schriempf; A.I. Schindler
- Publisher
- Elsevier Science
- Year
- 1966
- Tongue
- English
- Weight
- 191 KB
- Volume
- 6
- Category
- Article
- ISSN
- 0011-2275
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β¦ Synopsis
Finally, the shielding test was made under real conditions (with the 1 MW motor-generator). Figure shows that the shielding (integrated over all frequencies present) is quite effective up to 12 kG, where the S-N transition occurs; this is in reasonable agreement with the properties of a lead-bismuth alloy reported elsewhere. 4
This result makes it possible to use such a shield for magnetic cooling, for example, and for other kinds of cryogenic experiments, in which H < 12 kG is applied. However, it should be possible to use the same method with other superconducting alloys like niobium-tin and niobium-zirconium, thus extending the shield's working range to much higher fields.
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