TY - JOUR
T1 - Hysteresis and Domain Behaviors Analysis of High Purity Fe-(5, 6) wt% Si Alloys
AU - Lei, Zhe
AU - Horiuchi, Takuro
AU - Sasaki, Iwao
AU - Kaido, Chikara
AU - Yochi, Horibe
AU - Hata, Satoshi
AU - Ogawa, Toshifumi
AU - Era, Hidenori
N1 - Funding Information:
This work was supported in part by the Nanotechnology Support Project of the Ministry of Education, Culture, Sports, Science, and Technology (MEXT), Japan.
Publisher Copyright:
© 2015 The Authors. Published by Elsevier B.V.
PY - 2015
Y1 - 2015
N2 - We investigated the improvement in magnetic properties of high-purity Fe-(5, 6) wt% Si formed by cold crucible levitation melting. The results showed that Fe-6 wt% Si alloy has a smaller coercivity than Fe-5 wt% Si. The hysteresis loss of both alloys increases linearly and slightly with maximum magnetization, and increases significantly after a certain maximum magnetization. Additionally, demagnetized domain structure and domain wall motion in both samples was studied by means of Lorentz microscopy. The results indicated that the domain wall motion of Fe-6 wt% Si can be activated in lower external fields and displaces more rapidly than Fe-5 wt% Si. Moreover, the displacement of domain walls that penetrate symmetrical grain boundaries and dislocations in Fe-6 wt% Si was analyzed. The boundaries and dislocations have no pinning effect on domain wall motion.
AB - We investigated the improvement in magnetic properties of high-purity Fe-(5, 6) wt% Si formed by cold crucible levitation melting. The results showed that Fe-6 wt% Si alloy has a smaller coercivity than Fe-5 wt% Si. The hysteresis loss of both alloys increases linearly and slightly with maximum magnetization, and increases significantly after a certain maximum magnetization. Additionally, demagnetized domain structure and domain wall motion in both samples was studied by means of Lorentz microscopy. The results indicated that the domain wall motion of Fe-6 wt% Si can be activated in lower external fields and displaces more rapidly than Fe-5 wt% Si. Moreover, the displacement of domain walls that penetrate symmetrical grain boundaries and dislocations in Fe-6 wt% Si was analyzed. The boundaries and dislocations have no pinning effect on domain wall motion.
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U2 - 10.1016/j.phpro.2015.12.090
DO - 10.1016/j.phpro.2015.12.090
M3 - Conference article
AN - SCOPUS:84974682781
SN - 1875-3884
VL - 75
SP - 695
EP - 702
JO - Physics Procedia
JF - Physics Procedia
T2 - 20th International Conference on Magnetism, ICM 2015
Y2 - 5 July 2015 through 10 July 2015
ER -