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이용호(Y. H. Lee),신용돌(Y. D. Shin),허복희(P. H. Herr),이금휘(K. H. Lee),김희중(H. J. Kim),한석희(S. H. Han),강일구(I. K. Kang),이장로(J. R. Rhee) 한국자기학회 1994 韓國磁氣學會誌 Vol.4 No.2
This paper reports a method treasuring magnetostriction, Young's moduli of a substrate and film and ΔE-effect with one apparatus. A substrate deposited with a thin magnetic film is parallely cantilevered paralled to a metal plate electrode, forming a capacitive cell. The cantilever deflects due to own weight, applied electric and magnetic filed. The small change of the capacitance caused by this deflection is measured by a sensitive capacitance bridge. Young's modulus, magnetostriction and ΔE effect can be calculated by theoretical analysis with the weight, applied field and deflection data.
이용호(Y.H.Lee),이연숙(Y.S.Lee),신용돌(Y.D.Shin),문기원(K.W.Moon),노태환(T.H.Noh),김희중(H.J.Kim),강일구(I.K.Kang) 한국자기학회 1991 韓國磁氣學會誌 Vol.1 No.1
A measurement system for magnetic anisotropy was built. The torque acting on the disc or sperical samples placed in uniform magnetic field was detected with a capacitive transducer which is connected with a transformer ratio-arm bridge. The output of the bridge was amplified with a lock-in amplifier. The cubic anisotropy constant for (100) of 3% Si-Fe was 3.3×10⁴ J/㎥. The calibration for the system was carried out with the shape anisotropy of a thin Ni wire.