Magnetic properties and surface domain structure of (Nd0.85Dy0.15)10Fe83Zr1B6 thin ribbons

• Autorzy: Ceglarek A , Plusa D , Dospial M , Nabialek M , Wieczorek P
• Języki publikacji: EN

Abstrakty

EN

In this paper, the nanocrystalline (Nd0.85Dy0.15)10Fe83Zr1B6 ribbons produced by melt-spinning have been investigated by the X-ray diffraction method (XRD), vibrating sample magnetometer (VSM) and magnetic force microscopy (MFM). The XRD studies showed that material investigated was mainly composed of Re2Fe14B and α-Fe phases with fine grain sizes of 25 and 9 nm, respectively. The magnetic parameters determined from the hysteresis loop measurements are as follows: μ0HC = 0.96 T, μ0MR = 0.76 T, μ0MS = 1.09 T, (BH)max = 88 kJ/m3. The large remanence ratio (μ0MR/μ0MS) of 0.7 results from the exchange coupling between the soft and hard magnetic grains. The large surface interaction domains revealed by MFM confirmed the existence of strong exchange coupling between nanosize grains.

Słowa kluczowe

EN

nanocomposite materials; melt spinning method; Re–Fe–B alloys; hard magnetic magnets; surface domain structure

• Wydawca: Oficyna Wydawnicza Politechniki Wrocławskiej
• Czasopismo: Optica Applicata
• Rocznik: 2013
• Tom: Vol. 43, nr 1
• Strony: 117--122
• Opis fizyczny: Bibliogr. 10 poz., rys., wykr.

Twórcy

autor

Ceglarek A

• Institute of Physics, Częstochowa University of Technology, al. Armii Krajowej 19, 42 200 Częstochowa, Poland

autor

Plusa D

• Institute of Physics, Częstochowa University of Technology, al. Armii Krajowej 19, 42 200 Częstochowa, Poland

autor

Dospial M

• Institute of Physics, Częstochowa University of Technology, al. Armii Krajowej 19, 42 200 Częstochowa, Poland

autor

Nabialek M

• Institute of Physics, Częstochowa University of Technology, al. Armii Krajowej 19, 42 200 Częstochowa, Poland

autor

Wieczorek P

• Institute of Materials Engineering, Częstochowa University of Technology, al. Armii Krajowej 19, 42 200 Częstochowa, Poland

Bibliografia

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