Nickel-zinc ferrite material and preparation method thereof

A technology of nickel-zinc ferrite and materials, which is applied in the fields of magnetic materials, inorganic material magnetism, inductance/transformer/magnet manufacturing, etc., and can solve the problems of narrow operating frequency range and high magnetic loss
CN112194481AActive Publication Date: 2021-01-08LANZHOU UNIVERSITY
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Patent Information

Authority / Receiving Office
CN Β· China
Patent Type
Applications(China)
Current Assignee / Owner
LANZHOU UNIVERSITY
Publication Date
2021-01-08

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Abstract

The invention discloses a nickel-zinc ferrite material and a preparation method thereof. The nickel-zinc ferrite material comprises main components and auxiliary components, wherein the main components consist of the following components in percentage by mole: 48%-51% of Fe oxide, 12%-18% of Ni oxide, 15%-23% of Zn oxide and 4%-7% of Co oxide, with the balance being Cu oxide; and the auxiliary components comprise a Mn compound and a Ca compound. The nickel-zinc ferrite provided by the invention has the characteristics of wide applicable frequency range, high magnetic conductivity peak frequency, small specific loss coefficient, high saturation magnetization, low coercive force and high Curie temperature, and presents wide application prospects.
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Description

technical field

[0001] The invention relates to the technical field of magnetic materials, in particular to a nickel-zinc ferrite material and a preparation method thereof. Background technique

[0002] With the development of information technology and digitalization of electronic products, new requirements are put forward for soft ferrite materials and components, such as the miniaturization, integration and high frequency of devices, especially the wide application of radio frequency broadband devices, which further promotes Development of RF broadband materials. Above 1MHz, NiZn ferrite has been widely used due to its high resistivity, high Bs, and high magnetic permeability.

[0003] At present, domestic nickel-zinc ferrite materials mainly seek to improve the initial magnetic permeability at 1MHz, and the frequency range of use is often narrow, which will lead to high magnetic loss. With the miniaturization of electronic devices, the requirements for high frequency ar...

Claims

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