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Synthesis and Reactivity in Inorganic, Metal-Organic, and Nano-Metal Chemistry Volume 38, 2008 - Issue 2: Part I: New Routes to Inorganic Materials, Films, and Nanocrystals
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Original Articles

The XMCD Study of Ferromagnetic Films on GaAs(001) Fabricated by Electrochemical Deposition

Li Wu Wang National Synchrotron Radiation Laboratory, University of Science and Technology of China, Hefei, Anhui, PR China
,
Zong Mu Li National Synchrotron Radiation Laboratory, University of Science and Technology of China, Hefei, Anhui, PR China
,
Fa Qiang Xu National Synchrotron Radiation Laboratory, University of Science and Technology of China, Hefei, Anhui, PR ChinaCorrespondence[email protected]
,
Wen Hua Zhang National Synchrotron Radiation Laboratory, University of Science and Technology of China, Hefei, Anhui, PR China
,
Jie Wang National Synchrotron Radiation Laboratory, University of Science and Technology of China, Hefei, Anhui, PR China
&
Wen Sheng Yan National Synchrotron Radiation Laboratory, University of Science and Technology of China, Hefei, Anhui, PR China
Pages 189-193 | Received 31 May 2007, Accepted 16 Oct 2007, Published online: 12 May 2008
 
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Using the electrochemical cyclic voltammetry, the Co, Ni, and Co66Ni34 alloy films were electrodeposited on GaAs(001) surface. XRR and XRD have been used to characterize the structure of the films. We especially measure the L‐edge X‐ray absorption spectroscopy (XAS), which is element specific and sensitive to chemical valence, and the X‐ray magnetic circular dichrosim (XMCD) spectra, which is sensitive to magnetic moments of the atoms. The orbital and spin magnetic moments of the Co and Ni atoms from the monocomponent Co, Ni and binary Co66Ni34 alloy films are obtained from the XAS and XMCD spectra by using the sum rules.

Acknowledgments

The project was supported by the National Natural Science Foundation of China (10274073, 10505019).

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