Study of Physical and Magnetic Properties of Barium Hexaferrite Substituted by Nd2O3
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The study of physical and magnetic properties of manufactured barium hexaferrite substituted by Nd2O3 had been done. Magnetic samples of barium hexaferrite were synthesized from row materials of Fe2O3, BaCO3 and Nd2O3 as an additive material. The compositions of Nd2O3 were varied by 0; 0.4; 0.8 and 1.2 wt.%. Each component materials was grinding using high energy ball milling with a variation of time milling, then compacted and pressed at 8 tons of pressure. All samples were sintered at various temperatures of 1000�����C, 1100�����C and 1200�����C. Bulk density was measured in which the values increased as increasing the sintering temperature. On the other hand, the measurement of magnetic properties was performed using Vibrating Sample Magnetometer (VSM). The magnetic characterizations were observed on sample having a concentration of 0.8 wt Nd2O3, such as remanent magnet, Br, Hcj and Bhmax were 464.75 Gauss, 2.135 G, 2.907 kOe and 0.927 MGOe, respectively. Other properties such as XRD and determination of particle analyzer are still performing.