Abstract
ESR in Fe 7Ni 73P 14B 6 and Mn 48B 52 was studied over wide ranges of frequency and temperature. As T is lowered linewidth first reduces linearly, goes through a broad minimum, rises and finally has a maximum (or plateau) at ≈ 0.5 T SG. Resonance fields yield magnetization, M( H, T)=( M ∞- c/√ H), M ∞=M 0(1-BT 3 2 ) , and internal field H an ≅ H 0[1-( T/2 T SG )].
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