FeNi ALLOY COMPOSITION CONTAINING L10-TYPE FeNi ORDERED PHASE, METHOD FOR PRODUCING FeNi ALLOY COMPOSITION INCLUDING L10-TYPE FeNi ORDERED PHASE, FeNi ALLOY COMPOSITION HAVING AMORPHOUS MAIN PHASE, PARENT ALLOY OF AMORPHOUS MEMBER, AMORPHOUS MEMBER, MAGNETIC MATERIAL, AND METHOD FOR PRODUCING MAGNETIC MATERIAL
Provided is an FeNi alloy composition containing an L10-type FeNi ordered phase, the FeNi alloy composition satisfying the criterion that the total Fe content and Ni content must be 90 at% or less and/or the criterion that said composition must contain Si, and preferably satisfying at least one criterion from among the Fe content being 0.3-5 with respect to the Ni content and the total Fe content and Ni content being 65 at% or more.
