Abstract
Derivatives of the five principal extremal cross sections of the Fermi surface of gold with respect to uniaxial stress along various directions have been determined from simultaneous measurements of the amplitudes of magnetostriction and torque quantum oscillations. The accuracy of the measurements is limited by a spurious magnetostriction signal caused by the crystal bending in response to the torque it experiences when its symmetry axis is misaligned with the magnetic field direction. The results are self-consistent and agree with the results of the direct tension measurements and with stress derivatives calculated from the absolute magnetostriction amplitude measurements. Discrepancies with results from other experimental work are discussed
Published Version
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