SHORT-RANGE ORDER IN AMORPHOUS FEZRB(CU) ALLOYS INVESTIGATED BY THE RF-MOSSBAUER TECHNIQUE

The radio-frequency (RF) collapse of the magnetic hyperfine structure in the Mossbauer spectra is employed to study directly the short-range order (SRO) in amorphous Fe93-x-yZr7BxCuy alloys via the electric qua drupole hyperfine interaction. The shape of the quadrupole splitting d istributions obtained from the RF collapsed spectra strongly suggest t he existence of two SRO with a high and low local content of iron. The decrease of boron content leads to a more symmetric local structure e xperienced by the Fe atoms. (C) 1998 Elsevier Science B.V. All rights reserved.