Magnetostriction of amorphoushyphen;metal alloys has been found to exhibit an unexpected dependence on the glass formers P and B in Fehyphen;Phyphen;Bhyphen;Al. This observation has led to the determination of lower values for magnetostriction in the series Fex(P1minus;yBy)1minus;xminus;0.3Al0.03and for the cobalthyphen;substituted series (FexCo1minus;x)0.77P0.14B0.06Al0.03.
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