Preparation of high-permeability NiCuZn ferrite |
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| Authors: | Hu Jun Yan Mi |
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| Institution: | State Key Lab of Silicon Materials, Zhejiang University, Hangzhou 310027, China. |
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| Abstract: | Appropriate addition of CuO/V2O5 and the reduction of the granularity of the raw materials particle decrease the sintering temperature of NiZn ferrite from 1200 degrees C to 930 degrees C. Furthermore, the magnetic properties of the NiZn ferrite prepared at low temperature of 930 degrees C is superior to that of the NiZn ferrite prepared by sintering at high temperature of 1200 degrees C because the microstructure of the NiZn ferrite sintered at 930 degrees C is more uniform and compact than that of the NiZn ferrite sintered at 1200 degrees C. The high permeability of 1700 and relative loss coefficient tandelta/mu(i) of 9.0x10(-6) at 100 kHz was achieved in the (Ni0.17Zn0.63Cu0.20)Fe1.915O4 ferrite. |
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| Keywords: | NiZn ferrite Low temperature High permeability Low loss |
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