Magnetostriction Constants of Mn-Zn-Fe Ferrites

概要

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Magnetostriction constants were determined by means of a strain gauge at temperatures from -180 to 85℃ on monocrystals of Mn-Zn-Fe ternary ferrites. For almost all specimens λ_<111> was positive and λ_<100> was negative. The values of λ_<100> were small for the compositions with excess Fe_2O_3, whereas λ_<111>'s were small for the compositions with deficient Fe_2O_3. Square hysteresis loop was observed at the composition with small λ_<111> and with easy directions of magnetization parallel to <111> direction. High permeability realized in this ternary system seems to be caused by its small avarage magnetostriction as well as its small crystalline anisotropy.
社団法人応用物理学会の論文
1964-10-15