Magnetoresistance of Bismuth at 3000 Megacycles
- 1 December 1950
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review B
- Vol. 80 (5) , 892-893
- https://doi.org/10.1103/physrev.80.892
Abstract
The magnetoresistance of bismuth for frequencies of 3.5 Mc has been found to be of the same magnitude as for steady direct currents. On the other hand, for long infra-red waves 8μ the magnetoresistance is zero. Using a resonating bismuth cavity and a slotted wave-guide measurements of the standing wave ratio have indicated that magnetoresistance at 3000 Mc is not more than half as big as for direct currents. This small value of magnetoresistance is possibly due to the fact that the skin depth is of the same order of magnitude as the mean free path of electrons in the metal.Keywords
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