Temperature and magnetic field dependencies in a model of diamagnetic hysteresis in beryllium

Logoboy, N.; Joss, W.

doi:10.1016/j.ssc.2006.09.004

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Model For Hysteresis Loop Size1

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“…Both show a maximum at approximately the middle of the magnetic field range of the CDS phase boundary at lowest temperature. There is also good agreement with a recent theoretical calculation where the Rayleigh model was used for the hysteresis 20 . However, we notice that the energy barrier model shows a clear difference from our data near the phase boundary.…”

Section: Model For Hysteresis Loop Sizesupporting

confidence: 88%

Condon-domain phase diagram and hysteresis size for beryllium

et al. 2010

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The Condon domain phase diagram for beryllium is determined in magnetic fields up to 10 T and at temperatures down to 1.3 K using a standard ac pick-up coil method to measure the de Haas-van Alphen (dHvA) effect. The detection of the transition point from the homogeneous state to the Condon domain state (CDS) is based on the extremely non-linear response to the modulation field resulting from a small irreversibility in the dHvA magnetization. The experimental results are compared with theoretical predictions calculated from the Fermi surface (FS) of beryllium. The width hm of the hysteresis loop in the CDS is measured in a wide temperature and field region. A model for the hysteresis size is proposed and numerically calculated for the whole phase diagram.

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Section: Model For Hysteresis Loop Sizesupporting

confidence: 88%