Logarithmic frequency dependence of the phase in the A.C. susceptibility of iron whiskers within millidegrees of the critical temperature

1 January 1976

proceedings article
Published by AIP Publishing in AIP Conference Proceedings

Vol. 29 (1) , 469-471
https://doi.org/10.1063/1.30395

Abstract

The frequency dependence of the a.c. susceptibility of an iron whisker is analyzed in the region of nonlinear behavior within 20 millidegrees of T. A phenomenological equation of the form φ=φf⋅f0 ln(1+f/f) fits the data for the frequency dependence of the phase. The parameter φf reaches a peak and f0 becomes a minumum near or at Tc. The characteristic frequency f may be related to critical slowing down reaching the millisecond region.

Keywords

IRON

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