Aging in two-dimensional random-exchange Ising ferromagnets

Domain growth in the two-dimensional random-exchange Ising ferromagnet Rb2Cu0.89Co0.11F4 is studied using ac and dc magnetization measurements. From a scaling analysis of the time and frequency dependences of the nonequilibrium part of the ac susceptibility the ferromagnetic domain size R(t) is foun...

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Bibliographic Details
Published in:Journal of magnetism and magnetic materials 1995-02, Vol.140-144, p.1707-1708
Main Authors: Valkonet, J.P.G., Schins, A.G., Arts, A.F.M., de Wijn, H.W.
Format: Article
Language:English
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Summary:Domain growth in the two-dimensional random-exchange Ising ferromagnet Rb2Cu0.89Co0.11F4 is studied using ac and dc magnetization measurements. From a scaling analysis of the time and frequency dependences of the nonequilibrium part of the ac susceptibility the ferromagnetic domain size R(t) is found to grow according to R(t) α ⦜ln t]1/gy, with ψ = 14.
ISSN:0304-8853
DOI:10.1016/0304-8853(94)00910-4