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|Title:||The high frequency magnetic properties of self assembled Fe-Co-Si-N nanogranular thin films||Authors:||Liu, Y.
|Issue Date:||Jul-2010||Citation:||Liu, Y., Ramanujan, R.V., Liu, Z.W., Tan, C.Y., Zhao, X., Liu, E., Ong, C.K. (2010-07). The high frequency magnetic properties of self assembled Fe-Co-Si-N nanogranular thin films. Applied Physics A: Materials Science and Processing 100 (1) : 257-263. ScholarBank@NUS Repository.||Abstract:||The effect of a variation in Si and N concentration on the microstructure, crystal structure and high-frequency magnetic properties of Fe-Co-Si-N nanogranular thin films was investigated. The films, prepared by rf magnetron sputtering, consisted of nanosized grains of FeCo as well as a Si and N rich intergranular amorphous phase. The Si concentration had a significant effect on the crystal structure of the FeCo phase. The resistivities of the Fe-Co-Si-N films were significantly enhanced by an increase in Si concentration. The resonant frequency of the Fe-Co-Si-N films could be tuned from 0.45 GHz to 2.1 GHz by controlling Si concentration. The N concentration greatly influenced magnetic properties and the variation in resonant frequency is in agreement with Kittel's equation. © 2010 Springer-Verlag.||Source Title:||Applied Physics A: Materials Science and Processing||URI:||http://scholarbank.nus.edu.sg/handle/10635/98278||ISSN:||09478396|
|Appears in Collections:||Staff Publications|
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