Journal
JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS
Volume 320, Issue 23, Pages 3318-3322Publisher
ELSEVIER
DOI: 10.1016/j.jmmm.2008.07.001
Keywords
Mn-Zn ferrite; Power ferrite; Low loss; High frequency
Funding
- 151 fund
- analysis and test fund A [04089]
- Fund for Tackling Key Nano-technical problem of Zhejiang province of China [2005C11042]
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With the advance of modern electronic technology, there has been a critical need for Mn-Zn ferrites with even higher permeability and even lower power loss at higher frequencies. In this study, ferrite with extremely low losses than conventional ferrite materials at high frequency was developed employing a conventional ceramic powder processing technique. As a result, the core loss at 3 MHz, 10 mT and 100 degrees C is around 300 kW/m(3), and its cutoff frequency is 4 MHz. Furthermore, the electromagnetic characteristics and the microstructure of this new DMR50 material are also discussed. (C) 2008 Elsevier B.V. All rights reserved.
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