Radio-Frequency Size Effects in Single-Crystal Copper Plates
- 15 February 1970
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review B
- Vol. 1 (4) , 1501-1512
- https://doi.org/10.1103/physrevb.1.1501
Abstract
Radio-frequency size effects are studied in copper plates oriented perpendicular to the [100], [110], and [111] directions with the magnetic field B parallel and perpendicular to the sample surface. The contribution of different types of orbits to the transmitted signal is described. Point-by-point mapping of the Fermi surface is carried out and gives slight differences from previous work. When the magnetic field is normal to the plate, we observe all the theoretically predicted Gantmakher excitations. We give theoretical arguments to explain the occurrence of harmonics of Gantmakher oscillations, and the shift of the Gantmakher period across Doppler-shifted cyclotron-resonance edge in the [110] direction.Keywords
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