Abstract
The small-angle neutron scattering (SANS) from Fe Cu Nb Si B nanocrystalline alloys has been measured in magnetic field. The features of nuclear scattering profiles are different from those of the magnetic scattering. The magnetic scattering shows that the distribution of local magnetization is not uniform in a BCC Fe grain. On the other hand the nuclear scattering shows that the Ornstein—Zernike-type fluctuation of concentration exits in nanocrystalline alloys.
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