Abstract
The absolute spin-dependent cross-sections of two samples of the ferromagnetic metallic glass Fe90Zr10 have been measured by polarised neutron scattering to investigate the presence of non-collinear ferromagnetism. The samples were made by conventional chill-block melt spinning in Sheffield and in Budapest. They were examined at 135 K and in 2 T on the IN20 spectrometer at ILL, Grenoble, and were supported by SQUID magnetometer measurements. The Budapest sample was found to be a collinear ferromagnet but the Sheffield sample has a non-collinear structure. The magnetic structures of these glasses may therefore depend more sensitively on their preparation than has previously been supposed and non-collinear ferromagnetism may not be an intrinsic property of these FeZr glasses. (C) 2000 Elsevier Science B.V. All rights reserved.