Abstract
Nuclear diffuse neutron scattering measurements, are performed on PdMn. The Warren-Cowley atomic short-range order parameters alpha /sub /i are determined up to the third neighbour (i=1,2,3) for four different heat treatments of the specimen. Additional triple-axis neutron scattering measurements show a large inelastic contribution at room temperature. Susceptibility measurements are also carried out on these specimens, and these show a large dependence of the spin-glass freezing temperature Tf on the specimen treatments. The magnetic correlation function chi (T)T is determined from the high-temperature (T>Tf) susceptibility and analysed with a configuration group model which includes the measured Warren-Cowley parameters. From this analysis the exchange parameters J/sub /i are calculated up to the sixth neighbour.
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