<p>An amorphous magnetic alloy has a general formula: (Fe1-a ? Nia)100-x-y ? Six ? By where 0.2 ? a ? 0.7 1 ? x ? 20 5 ? y ? 9.5 15 ? x + y ? 29.5 The alloy is low in iron loss and suitable for forming a magnetic core used under a high frequency.</p>
