Journal of Electronic Materials

, Volume 48, Issue 3, pp 1456–1460 | Cite as

Measurements of the Spin-Selective Magnetic Hysteresis Curve in Fe–3 wt.% Si Alloy Using Magnetic Compton Scattering

  • Chan Wook KimEmail author
  • Hee Soo Kang
  • Kyu Seok Han
  • Naruki Tsuji
  • Yoshiharu Sakurai
5th International Conference of Asian Union of Magnetics Societies
Part of the following topical collections:
  1. 5th International Conference of Asian Union of Magnetics Societies (IcAUMS)


In order to resolve the total magnetization of Fe–3 wt.% Si into spin and orbital contributions, we attempted to measure the spin-selective magnetic hysteresis curve using magnetic Compton scattering. The spin-selective magnetic hysteresis curve as a function of an applied magnetic field was determined by analyzing the integrated intensity of magnetic Compton spectra, which reflect only the momentum density of spin-polarized electrons in Fe–3 wt.% Si alloy. The orbital magnetic hysteresis curve was obtained by taking the difference between the vibrating sample magnetometer loop and the spin-selective magnetic hysteresis curve. The results show that the spin moment dominates the total magnetization in Fe–3 wt.% Si alloy and the \( g \) value in the alloy is estimated to be 2.34, which is larger than that in a pure Fe metal, which is 2.09.


Spin-selective magnetic hysteresis curve magnetic Compton scattering grain-oriented Si steel ratio of spin to orbital moment energy losses 


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This MCS experiment was performed with approval from the Japan Synchrotron Radiation Research Institute (Proposal no. 2017A1604). We would like to thank committee members of SPring-8 for providing beam time for the experiment.


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Copyright information

© The Minerals, Metals & Materials Society 2018

Authors and Affiliations

  1. 1.Metallic Materials Research GroupResearch Institute of Industrial Science and TechnologyPohangKorea
  2. 2.Steel Research Group, Technical Research LaboratoriesPOSCOPohangKorea
  3. 3.Experimental Research Division Japan Synchrotron Radiation Research InstituteMikazukiJapan

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