High-Precision, Ultralow-Temperature Resistivity Measurements on Bismuth
- 22 August 1977
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review Letters
- Vol. 39 (8), 491-494
- https://doi.org/10.1103/physrevlett.39.491
Abstract
We report the first ultralow-temperature resistivity measurements on Bi with a precision better than 0.01% using a superconducting quantum interference device null detector. The results are inconsistent with simple carrier-carrier scattering. A Bloch-Grüneisen formula for electron-phonon scattering gives an approximate fit to the lowest-temperature data with an effective reduced Debye temperature of the order of 2 K.Keywords
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