Abstract

Small-angle quasielastic neutron scattering measurements have revealed an intense magnetic component at low temperatures amorphous Tb${\mathrm{Fe}}_{2}$ and Y${\mathrm{Fe}}_{2}$, addition to a weak critical divergence at ${T}_{c}$ Tb${\mathrm{Fe}}_{2}$. These observations are interpreted as evidence that spatial fluctuations remain frozen in below the Curie point of Tb${\mathrm{Fe}}_{2}$, and that only short-range order is achieved Y${\mathrm{Fe}}_{2}$.

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