It is common knowledge that the magnetic structure of fcc Fe (γ-Fe) can be described by means of an incommensurate spin-density wave (SDW). Previous experimental data, however, were mostly obtained for γ-FeCo alloy precipitates in Cu in order to avoid the complexity of the structural phase transition. Since Fe is a fundamental element, reliable data on the SDW state for pure γ-Fe are highly desired. We present here neutron scattering data for the SDW in pure γ-Fe precipitates in Cu and discuss the particle size effect of the SDW.
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Naono et al. (2004) studied this question.
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