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Investigations of the Magnetization Reversal Processes in Nanocrystalline Nd-Fe-B Alloys Doped by Nb

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Kaźmierczak M., Pawlik P., Wysłocki J., Wnuk I., Gębara P., Pawlik K., Przybył A.

Acta Physica Polonica A

2017

vol. 131

issue 4

789-791

In the following article the magnetic properties and phase composition of (Nd₁₀Fe₆₇B₂₃)_{100-x}Nb_{x} (where x=5, 6, 7, 8, 9) alloys in the form of ribbons are discussed. The X-ray diffraction studies revealed the coexistence of amorphous and nanocrystalline structures consisting of Nd₂Fe₁₄B, Nd_{1+ε}Fe₄B₄ and metastable Nd₂Fe₂₃B₃ phases. The shape of M_{rev} (M_{irr}) suggests that the magnetization reversal proceeds through the nucleation of the reversal domain for the ribbon doped with 5-7 at.% of Nb and the subsequent pinning of the domain walls for ribbons doped with 8 and 9 at.% of Nb.

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1 Acta Physica Polonica A

1 2017

1 Gębara P.

1 Kaźmierczak M.

1 Pawlik K.

1 Pawlik P.

1 Przybył A.

1 Wnuk I.

1 Wysłocki J.

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Investigations of the Magnetization Reversal Processes in Nanocrystalline Nd-Fe-B Alloys Doped by Nb