A highly reactive precursor in the iron sulfide system
2018年8月7日 · Here we report the synthesis and structure of a nanoparticulate phase (FeS nano) that is a necessary solid-phase precursor to the conventionally assumed initial precipitate in …
Analysis of XPS spectra of Fe - ScienceDirect
2008年2月15日 · The XPS spectra of Fe 3p for Fe 3 O 4, and Fe 0.94 O are analysed using the Fe 3+ and Fe 2+ peak parameters obtained from Fe 2 O 3 and 2FeO·SiO 2. The results of the …
关于过渡金属元素的XPS图谱疑问解答 - 知乎 - 知乎专栏
xps，即x射线光电子能谱。原理简单来说是将x射线光子入射到样品上，将样品的光电子和俄歇电子激发出来。 在阅读文献中，经常可以看到xps图谱，用来分析样品表面元素的价态变化、成 …
铁 | Thermo Fisher Scientific - CN
对于暴露在空气中的白铁矿 (FeS 2)，由于 Fe 2+ 处于低自旋组态，因此未观察到卫星峰。 主 Fe2p 3/2 峰的较高结合能 (~710.5eV) 的宽结构不是卫星结构，而是由于表面氧化产生的 Fe 3+ …
Iron | XPS Periodic Table | Thermo Fisher Scientific - US
Iron X-ray photoelectron spectra, iron electron configuration, and other elemental information. Experimental information. Fe2p overlaps strongly with Ni LMM Auger peaks, e.g., in some …
Iron Spectra – Fe metal – The International XPS Database 1
The XPS Spectra section provides raw and processed survey spectra, chemical state spectra, BE values, FWHM values, and overlays of key spectra. Atom% values from surveys are based on …
XPS and structural studies of Fe - Nature
2021年12月30日 · In this research, due to the advantages of natural asphalt, such as high activity, high surface area, low toxicity and specific features of natural asphalt, Fe 3 O 4 -PTMS …
Figure 4. XPS spectra of the FeS surface at pH 8, 14 days. (A) Fe …
These XPS results are consistent with oxidation of mackinawite Fe (II) S surface species to Fe (III) O in the form of ferrihydrite or an amorphous iron (III) (hydr)oxide (eqs 5 and 6). ......
Use of XPS in the determination of chemical environment and …
2000年10月2日 · Among these techniques, XPS is suitable in identifying oxidation products formed onto a pyrite surface and, in particular, to precisely determine the oxidation state and …
XPS of (a) Fe 2p and (b) S 2p of FeS 2 thin films sulfurized at ...
XPS of FeS 2 films showed that the Fe 2p spectrum of pyrite has two major peaks at 707 eV (assigned as Fe 2p3/2) and 720 eV (assigned as Fe 2p1/2), which illustrates the Fe 2+ bulk …