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연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
초록· 키워드
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The Fe-TM-C-N nanocrystalline films (TM : Hf, Zr and Nb) are investigated to examine the relation between microstructure and soft magnetic properties. In these films, as the atomic radius of TM element increases, P_(N2) which was added to get good soft magnetic properties was decreased and the maximum value of the permeability shifted to the high Fe range in the composition diagram. The best soft magnetic properties achieved in these films are: Hc of 0.15 Oe, μeff of 7800 (1㎒) and 4 πMs of 17.5 kG in Fe-Hf-C-N film; Hc of 0.06 Oe, μeff of 2750 (1㎒) and 4 πMs of 16.8 kG in Fe-Zr-C-N film and Hc of 0.31 Oe; μ_(eff) of 2100 (1㎒) and 4πMs of 15.5 kG in Fe-Nb-C-N film. It was considered that the stronger the bonding force between TM and C(N), the finer TM(C, N) phase is precipitated and therefore, the finer α-Fe grains are formed. The effective permeability of the Fe-Zr-C-N films and Fe-Nb-C-N films remains nearly constant up to 10 ㎒.
목차
Abstract
Ⅰ. INTRODUCTION
Ⅱ. EXPERIMENTAL PROCEDURE
Ⅲ. RESULTS AND DISCUSSIONS
Ⅳ. CONCLUSIONS
REFERENCES
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UCI(KEPA) : I410-ECN-0101-2009-428-015147736