Evidence for multiplet splitting of 2p photoelectron lines of transition metal complexes

Frost, D. C.; McDowell, C. A.; Woolsey, I. S.

doi:10.1016/0009-2614(72)87086-6

Cited by 145 publications

(47 citation statements)

References 8 publications

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“…The separation between the cobalt 2P1/2 and cobalt 2P3/2 main peaks has been discussed with reference to the spin state of the cobalt [1,3,4]. Thus, high spin cobalt(III) species appear generally to show a Co 2P1/2-C0 2P3/2 separation of about 1 eV larger than is found for the diamagnetic cobalt(III) species.…”

Section: Results and Biscussionmentioning

confidence: 93%

“…In addition to the many experimental contributions, a substantial amount of theoretical work has appeared which is directed at the goal of understanding the details of the XPS spectra of transition metal systems. The XPS properties of a large number of cobalt complexes have been reported, including examples from each of the commonly occuring electronic states for cobalt, high and low spin cobalt(II) and low spin cobalt(III) [1][2][3][4][5][6][7][8][9][10]. In general each electronic state demonstrates rather characteristic and distinguishing features in the XPS spectrum.…”

Section: Introductionmentioning

confidence: 99%

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XPS Spectra of Spin-Triplet Cobalt(III) Complexes

Brown

Weser

1979

Zeitschrift Für Naturforschung B

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Abstract The X-ray photoelectron spectra of cobalt(III) complexes in an unusual spin triplet state are reported. The binding energies in the 2P spectral region are somewhat low and the spectra exhibit rather strong satellite structure. The Co 2P1/2-CO 2P3/2 separations and satellite intensities appear to be related to the magnetic moments of the complexes as has been suggested previously for cobalt(II) compounds.

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Section: Results and Biscussionmentioning

confidence: 93%

Section: Introductionmentioning

confidence: 99%

XPS Spectra of Spin-Triplet Cobalt(III) Complexes

Brown

Weser

1979

Zeitschrift Für Naturforschung B

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“…26,27 Both the increase in peak width and spin-orbit splitting of the Co 2+ component compared to the Co 3+ component has been described to be an effect of multiplet splitting of the high spin Co 2+ ͑S =3/ 2͒ which is absent for the low spin Co 3+ ͑S =0͒. [28][29][30] The splitting into main and satellite lines are due to different final states after the photoemission of a Co 2p core-level electron. In the Co 2+ spectrum the main lines are due to a 2p 5 3d 8 L −1 final state, where L −1 is a hole in the ligand while the satellites are due to a 2p 5 3d 7 L final state.…”

Section: Resultsmentioning

confidence: 95%

Magnetic and electronic characterization of highly Co-doped ZnO: An annealing study at the solubility limit

et al. 2010

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We report on investigations of the electronic structure and magnetic properties of ZnO doped with 15 at. % Co and postgrowth annealed at temperatures ranging between 250 and 800°C. In particular, we demonstrate how the presence of Co 3+ , indicative of secondary phases, is manifested in spectroscopy. Through resonant photoemmision spectroscopy we have found that x-ray diffraction in some cases underestimates or does not reveal the presence of secondary phases, possibly due to unrelaxed structures or structural arrangements with sizes below the detection limit. The magnetic properties are in most cases understood by assuming small antiferromagnetic clusters but can also show a behavior indicative of ferromagnetic interactions.

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“…Frost et al (1972) obtained the Co 2p spectra for a number of low-spin Co III as well as high-spin Co II compounds. They observed excited final state satellites that were intense for the paramagnetic Co II compounds but only weak for the diamagnetic Co III , and a 2p 3/2 -2p 1/2 peak separation that was $16 eV for Co II and $15 eV for Co III .…”

Section: Sxps Of Surfaces Prepared By Fracture Under Uhvmentioning

confidence: 99%