2000
DOI: 10.1006/jssc.2000.8749
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Characterization of the Nickel Cobaltite, NiCo2O4, Prepared by Several Methods: An XRD, XANES, EXAFS, and XPS Study

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Cited by 662 publications
(334 citation statements)
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“…As shown in Fig. 4c, Co is present in two oxidation states, i.e., Co 3+ (779.4 and 794.3 eV) and Co 2+ (780.7 and 795.8 eV) [38], and the two shake-up type peaks at 788 and 804 eV are satellite peaks for Co [39]. Interestingly, the Ir 4f emission spectrum shown in Fig.…”
Section: Resultsmentioning
confidence: 86%
See 1 more Smart Citation
“…As shown in Fig. 4c, Co is present in two oxidation states, i.e., Co 3+ (779.4 and 794.3 eV) and Co 2+ (780.7 and 795.8 eV) [38], and the two shake-up type peaks at 788 and 804 eV are satellite peaks for Co [39]. Interestingly, the Ir 4f emission spectrum shown in Fig.…”
Section: Resultsmentioning
confidence: 86%
“…The fitting peak of O2 at 531.1 eV indicates defects, contaminants, and a number of surface species [45]. Finally, the peak at 532.5 eV indicates minimum physical adsorbed and chemisorbed water on the material surface (O-H) [38,46] (0<x<1). The XPS spectra of the pure bimetallic alloy IrNi is shown in Fig.…”
Section: Resultsmentioning
confidence: 99%
“…The high-resolution O1s XPS spectrum for the as-prepared PtCo 2 Ni 2 /C indicates the fitting peak at 531.5 eV associated with oxygen in -OH groups and the peak at 532.1 eV attributed to the physior chemisorbed water at the surface (Fig. S4) [47,48]. The high-resolution XPS spectra of Ni2p of Pt 2 CoNi show BE values at 852.0 and 869.4 eV, which correspond to metallic Ni.…”
Section: Lettersmentioning
confidence: 97%
“…This is a powerful method to characterize the chemical state and local structure of Fe and Ni atoms. [26][27][28][29][30] Figure 10 shows the X-ray absorption near-edge structure spectra at the (a) Fe and (b) Ni K absorption edges of the precursor with 34 at% Fe and RAFPs derived from the above precursor. Here, the normalized absorbance is plotted against the incident X-ray energy.…”
Section: Synthesis Of Fe-ni Alloy Ne Particles By Reductionannealingmentioning
confidence: 99%