Structural and Magnetic Properties of Mo-Zn Substituted (BaFe12-4xMoxZn3xO19) M-type Hexaferrites | Zendy

S. M. Mahmood | Zendy; Aynour N. Aloqaily | Zendy; Yazan Maswadeh | Zendy; Ahmad Awadallah | Zendy; Ibrahim Bsoul | Zendy; Hassan K. Juwhari | Zendy

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Structural and Magnetic Properties of Mo-Zn Substituted (BaFe12-4xMoxZn3xO19) M-type Hexaferrites

Author(s) -

S. M. Mahmood,

Aynour N. Aloqaily,

Yazan Maswadeh,

Ahmad Awadallah,

Ibrahim Bsoul,

Hassan K. Juwhari

Publication year - 2014

Publication title -

material science research india

Language(s) - English

Resource type - Journals

eISSN - 2394-0565

pISSN - 0973-3469

DOI - 10.13005/msri/110102

Subject(s) - materials science , magnetization , molybdenum , drop (telecommunication) , sintering , analytical chemistry (journal) , saturation (graph theory) , ball mill , metallurgy , condensed matter physics , magnetic field , chemistry , chromatography , physics , telecommunications , mathematics , quantum mechanics , combinatorics , computer science

Molybdenum-zinc substituted hexaferrites were synthesized by high-energy ball milling and subsequent sintering at different temperatures (1100, 1200, and 1300° C). The samples sintered at 1100° C exhibited good hard magnetic properties, although a decrease in saturation magnetization from 70.2 emu/g for the unsubstituted sample down to 57 emu/g for the sample with x = 0.3 was observed. The drop in saturation magnetization results mainly from the presence of secondary nonmagnetic oxides. The samples sintered at temperatures >1200° C showed an improvement in saturation magnetization, and a sharp drop in coercivity. This behavior was associated with the development of the W-type hexaferrite, the particle growth, and possibly the spin reorientation transition from easy-axis to easy-plane.

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