Abstract
The dynamic susceptibility of the Ising reentrant spin glass system Fe 0.62Mn 0.38TiO 3 has been investigated using a SQUID magnetometer. The ac susceptibility was measured in the frequency interval 5 × 10 −3 −2 × 103 Hz. The data have been analyzed assuming critical slowing down, yielding a transition temperature T RSG = 26.8 K , a dynamic exponent zv = 8.2 and an order parameter exponent β = 0.55. Also, the wait time dependence of the zero field cooled magnetization was studied.
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