High-precision measurement of 2 e/h that uses cryogenic electronic components
- 18 October 1973
- journal article
- Published by Institution of Engineering and Technology (IET) in Electronics Letters
- Vol. 9 (21) , 488-489
- https://doi.org/10.1049/el:19730359
Abstract
A new determination of 2e/h is described, in which not only the Josephson junction but also the current-null detector and 100:1 ratio voltage divider are operated at 4.2 K. The results obtained with this new system are compared with previous data obtained with room-temperature components, and the agreement is found to be 0.02 (±0.05) parts in 106.Keywords
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