Quantitative analysis of Fe and Co in Co-substituted magnetite using XPS: The application of non-linear least squares fitting (NLLSF)
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- 作者：Hongmei Liua ; hmliu@gig.ac.cn" class="auth_mail" title="E-mail the corresponding author ; Gaoling Weib ; Zhen Xuc ; Peng Liua ; d ; Ying Lia ; d
- 关键词：Non-linear least squares fitting ; Quantitative analysis ; X-ray photoelectron spectroscopy ; Co-substituted magnetite
- 刊名：Applied Surface Science
- 出版年：2016
- 出版时间：15 December 2016
- 年：2016
- 卷：389
- 期：Complete
- 页码：438-446
- 全文大小：3033 K
文摘
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XPS and Auger peak overlapping complicates Co-substituted magnetite quantification.
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Disrurbance of Auger peaks was eliminated by non-linear least squares fitting.
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Fitting greatly improved the accuracy of quantification for Co and Fe.
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Catalytic activity of magnetite was enhanced with the increase of Co substitution.