Abstract
The Fermi surface response to external stress is studied by magnetoelastic quantum oscillations at single Pd crystals. The oscillatory magnetization and the magnetostriction of two crystals were measured by capacitive dilatometry at different low temperatures up to 32 T in static field. The experiment confirms the extremal cross sections of the Fermi surface for the L- and X-pockets. The combination of both methods allows to obtain the uniaxial stress dependence of the Fermi surface (using Shoenberg’s formalism). The procedure yields deformation response values in the range from 10 (TPa)−1 to 100 (TPa)−1, for stress along [100] and [111]. The new values for the [111] direction seem to have a stronger temperature dependence compared to other directions.
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Doerr, M., Schönecker, S., Haase, A. et al. High Field Magnetoelastic Quantum Oscillations of Palladium. J Low Temp Phys 159, 20–23 (2010). https://doi.org/10.1007/s10909-009-0103-9
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DOI: https://doi.org/10.1007/s10909-009-0103-9