SEM micrograph of fractured cross section of as-quenched ribbons. Inset: Typical EDS spectrum.
Temperature dependence of magnetization measured at (a) and (b) , for as-quenched ribbons. Inset of (b):heating and cooling curves where phase transition occurs.
Hysteresis loops for as-quenched ribbons at 150 and . Inset: zoom into the low-field range.
X-ray diffraction patterns for as-quenched ribbons measured at (up) and (down).
Chemical composition determined by EDS for as-quenched ribbons.
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