Method for preparing BaFe12O and BaTiO3 multiplayer nano compound film/powder

A bafe12o19 and nanocomposite technology, which is applied in the field of nanocomposite film/powder preparation, can solve the problems of poor film compactness and poor electromagnetic performance, and achieve the effects of improving wave absorption performance, reducing cost and thin thickness
CN101624283AInactive Publication Date: 2010-01-13UNIV OF ELECTRONICS SCI & TECH OF CHINA
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Patent Information

Authority / Receiving Office
CN · China
Current Assignee / Owner
UNIV OF ELECTRONICS SCI & TECH OF CHINA
Publication Date
2010-01-13
Estimated Expiration
Not applicable · inactive patent

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Abstract

The invention discloses a method for preparing a BaFe12O and BaTiO3 multiplayer nano compound film/powder, which comprises the steps of preparing a transparent sol of BaFe12O19, a transparent sol of BaTiO3 and a compound sol of BaFe12O19 and BaTiO3 and the like, not only overcomes the defects existing in the conventional sol-gel process, but also prepares a wave absorbing material with light weight, wide frequency and thinness. The film prepared by the method has the advantages of fully having compound advantages, excellent comprehensive electromagnetic property, and doubling the wave-absorbing performance, along with smoothness, compactness and no crack. The nano compound film/powder of barium ferrite and barium titanate can also be used in the fields of magnetic records, drivers, switchers, sensors, microwave devices and the like, and due to the use of the nano compound film/powder, the property of the corresponding device, equipment or system can be greatly improved. The compound film/powder can replace a ferrite block, and the cost is greatly reduced.
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Claims

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