J4 ›› 2013, Vol. 51 ›› Issue (01): 132-134.

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Effect of Al2O3 Addition on the High Permeability MnZn Ferrites

LI Ang1, BI Jian guo2   

  1. 1. Center of Public Foundation Courses, College of Zhuhai, |Jilin University, Zhuhai 519041, Guangdong Province, |China|2. |Department of Technology, Emicore Corporation, Zhuhai |519040, Guangdong Province, |China
  • Received:2012-01-26 Online:2013-01-26 Published:2013-01-31
  • Contact: BI Jian guo E-mail:emicorebjg@yahoo.com.cn

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Abstract:

Effect of Al2O3 doped on the high permeability MnZn ferrites was researched by means of comparing experiment data of different samples. The results show that a suitable amount of Al2O3 doped can inhibit ZnO evaporation so as to increase the initial permeability of MnZn ferrites, reduce the relative temperature coefficient, and increase the permeability range.

Key words: MnZn ferrites, initial permeability, Al2O3

CLC Number: 

  • TM277
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