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Composition, RF device, modified nickel zinc ferrite composition, and method of fine-tuning nickel zinc ferrite material
Composition, RF device, modified nickel zinc ferrite composition, and method of fine-tuning nickel zinc ferrite material
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机译：成分，RF器件，改性镍锌铁氧体成分以及微调镍锌铁氧体材料的方法
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摘要
Embodiments disclosed herein relate to using cobalt (Co) to fine tune the magnetic properties, such as permeability and magnetic loss, of nickel-zinc ferrites to improve the material performance in electronic applications. The method comprises replacing nickel (Ni) with sufficient Co +2 such that the relaxation peak associated with the Co +2 substitution and the relaxation peak associated with the nickel to zinc (Ni/Zn) ratio are into near coincidence. When the relaxation peaks overlap, the material permeability can be substantially maximized and magnetic loss substantially minimized. The resulting materials are useful and provide superior performance particularly for devices operating at the 13.56 MHz ISM band.
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