Fermi Surface of Antimony: Radio-Frequency Size Effect

Radio-frequency size-effect measurements have been performed on high-purity single-crystal antimony plates approximately 0.15-0.36 mm thick. Extremal calipers of the Fermi surface which were obtained from the data were fit in an internally consistent manner to a Fermi-surface model consisting of three electron pockets and three sets of doubly degenerate hole pockets. The tilt angles and shapes of the pockets basically confirm the general features of the Fermi-surface model arising from a previous pseudopotential calculation. The sizes of the pockets, however, differ somewhat from the predictions. Comparisons between the present data and previous de Haas-van Alphen and ultrasonic geometric-resonance measurements are made.