Pulse Plated Amorphous Fe-P Thin Layers for High Frequency Magnetic Applications

Author:

Mikó Annamaria1,Takács Márton2,Lakatos-Varsányi M.2,Varga L.K.3

Affiliation:

1. Bay Zoltán Institute for Materials and Technology

2. Bay Zoltán Foundation

3. Hungarian Academy of Sciences

Abstract

Amorphous and partly nanocrystalline amorphous iron-phosphorus (Fe-P) layers have been deposited by pulse electrochemical technique. X-ray Diffraction (XRD) and Transmission Electron Microscopy (TEM) have been used to characterize the structure in the layers. Depending on the pulse parameters, the structure of Fe-P layers changed from mostly amorphous to partly nanocrystalline amorphous. The magnetic coercivity and the frequency limit of the samples are discussed in terms of the structure of the Fe-P layers. The frequency limit as determined from the permeability spectra is above 10 MHz, which makes these layers suitable for high frequency inductive element applications.

Publisher

Trans Tech Publications, Ltd.

Subject

Mechanical Engineering,Mechanics of Materials,Condensed Matter Physics,General Materials Science

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