INFLUENCES OF NEODYMIUM ON MAGNETIC CHARACTERISTICS OF ELECTROPLATING CoNdNiMnP FILMS

Acta Metallurgica Sinica (English Letters) ›› 2005, Vol. 18 ›› Issue (2): 149-152 .

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INFLUENCES OF NEODYMIUM ON MAGNETIC CHARACTERISTICS OF ELECTROPLATING CoNdNiMnP FILMS

H.C.Jiang, W.L.Zhang, J.P.Zhang, W.X.Zhang, B.Peng, S.Q.Yang

School of Microelectronics and Solid Electronics,University of Electronic Science and Technology of China,Chengdu610054,China

Received:1900-01-01 Revised:1900-01-01 Online:2005-04-25 Published:2009-10-10
Contact: H.C.Jiang

Abstract

Abstract: In order to improve the performances of electroplating permanent magnetic films, ncodymium is introduced into the electroplating CoNiMnP permanent magnetic films. The influences of the neodymium content are also investigated by varying NdCl3 plating bath concentration. The neodymium-doped films are analyzed by energy dispersive spectrum (EDS), vibrating sample magnetometer (VSM) and magnetic force microscope (MFM). The experimental results show that high magnetic performances of CoNdNiMnP permanent magnetic films with vertical anisotropy could be fabricated with current density 5mA/crne at room temperature. With the increasing of neodymium contents, the magnetic properties of films were improved. However when neodymium contents exceeded 3.5wt, the magnetic properties of films are not improved any more. The increase of film magnetic properties results from the ferromagnetic-coupling between light rare earth element-neodymium and transition metal element-cobalt.

Key words: CoNiMnP permanent magnetic film, magnetic property, electroplating

H.C.Jiang, W.L.Zhang, J.P.Zhang, W.X.Zhang, B.Peng, S.Q.Yang. INFLUENCES OF NEODYMIUM ON MAGNETIC CHARACTERISTICS OF ELECTROPLATING CoNdNiMnP FILMS[J]. Acta Metallurgica Sinica (English Letters), 2005, 18(2): 149-152 .

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INFLUENCES OF NEODYMIUM ON MAGNETIC CHARACTERISTICS OF ELECTROPLATING CoNdNiMnP FILMS

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