Qauantitative Evaluation of the Amount of α-Fe Phase in Progressive Annealing Stage fot Amorphous Alloy Fe_<78>B_<13>Si_9

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Low temperature magnetization of amorphous ferromagnetic alloys of Fe,.B.,Si,has been measured in the temperature range of 4.2-310 K. Tlte present investigationhas focused on a discussion of a possible evaluation of a quantitative atomic percent-age of Fe-atom in a stable cc-Fe phase which nucleates and grows in a progressive annealing stage. This new attempt will be performed on the basis of magnetic propertiesin connection with an X-ray analysis. A mean magnetic mornent of Fe atom can bededuced from the amount of the magnetization, arrd the analysis has been carried outwith special emphasis on the spin-wave excitations. Electron diffraction and the X-raystudy can identify materials precipitated by the anrtealing, however, it is quite difficultto give accurately quantitative amount of these materials in the crystallization process. Our new attempt leads to a fruitful discussion.[amorphous ferromagnetic alloy, spin wave, quantitative evaluation of I} precipitated a-Fe, magnetization at low temperaturesI
社団法人日本物理学会の論文
1989-03-15