Shake-up satellites in X-ray photoelectron spectroscopy

Brisk, Marion A.; Baker, A. D.

doi:10.1016/0368-2048(75)80061-2

Cited by 137 publications

(49 citation statements)

References 44 publications

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“…For cobalt-kaolinite materials the satellite intensity is greater than for Co304 (Chuang et al, 1976). This result is related to the smaller satellite to main 2p photopeak separation (4.7 eV) in that the ligand (oxygen) to metal charge transfer occurs at a lower energy and also has a greater transition probability (Kim, 1975;Frost et al, 1974;Brisk and Baker, 1975). Thus, cobalt in calcined cobalt-kaolinite is more covalently bonded than tetrahedral Co in Co304 as indicated by greater satellite intensity and smaller satellitemain peak separation.…”

Section: Resultsmentioning

confidence: 93%

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Surface Chemistry of Cobalt in Calcined Cobalt-Kaolinite Materials

Dillard

Schenck

Koppelman

1983

Clays and clay miner.

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Section: Resultsmentioning

confidence: 93%

“…The shake-up satellite structure for cobalt is associated with charge-transfer excitation of the type, ligand ~ metal (Frost et al, 1974;Kim, 1975;Brisk and Baker, 1975). The energy separation between the satellite peak and the main 2p photopeak is related to the bonding nature of cobalt.…”

Section: Resultsmentioning

confidence: 99%

Surface Chemistry of Cobalt in Calcined Cobalt-Kaolinite Materials

Dillard

Schenck

Koppelman

1983

Clays and clay miner.

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“…The presence of a "shakeup" satellite structure and a Co2pl/2 -Co2p3/2 splitting of 16.0 eV is indicative of high spin Co 2 § (Dillard et al, 1983); however, such parameters are not particularly sensitive to the metal coordination geometry. The shake-up satellite structure is generally due to ligand-to-metal charge transfer (Brisk and Baker, 1975). Separation of this line from the parent photoelectron Figure 2b.…”

Section: Clays and Clay Mineralsmentioning

confidence: 92%

Hydrothermal Synthesis and Characterization of Cobalt Clays

Bruce

1986

Clays and clay miner.

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Abstract--Reaction of mixtures of cobalt nitrate, colloidal silica, and a metal hydroxide (MOH) under hydrothermal conditions produced a range of cobalt hydroxysilicates, the components of which depended upon the identity of M, temperature, and reactant ratios. At 250~ ifM = Na, a smectite of composition Nao o6Coa.o7Si3.95Olo(OH)2 (I) was produced. IfM = K, either a mica, KCo2.sSi4Olo(OH)2 (II), intermediate between di-and trioctahedral, or a Si-deficient mica, KCo3Si3.7sOlo(OH)2 (III), was formed depending upon the reactant ratios. Similarly, if M = Cs, either a vermiculite or a 2:1 layer silicate intermediate between a mica and a brittle mica was produced. If M = Li, only the non-clay mineral Li2CoSiO4 was formed. Tetraalkylammonium hydroxides (NR4OH, R = methyl, ethyl, or propyl) yielded chrysotile. All phases were characterized by elemental analysis, transmission electron microscopy, and X-ray powder diffraction. Further characterization of smectite I was undertaken by diffuse reflectance, infrared, and Xray photoelectron spectroscopy. The layer charge in these clays appears to stem from cation vacancies within an almost trioctahedral sheet and, possibly, within the tetrahedral sheets. Some of the cobalt present had tetrahedral coordination geometry, but its location was not determined.

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“…[25][26][27] The broad satellite (C) at higher BE, which is found for other divalent Mn compounds, results from a shake-up process in which metal valence electrons are promoted into ligand conduction states after photoionization. 28 An accompanying satellite for B observed in MnTe 26 is presumably buried under the more intense core-line peak in the Mn-doped CuInSe 2 samples. The nature of the divalent Mn ion in CuInSe 2 has also been verified by our high frequency electron paramagnetic resonance measurements.…”

Section: A Xpsmentioning

confidence: 99%

Thermoelectric properties ofp-type CuInSe2chalcopyrites enhanced by introduction of manganese

et al. 2011

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Thermoelectric properties, X-ray photoelectron spectroscopy, Raman spectroscopy, and electronic structures have been studied for Mn-substituted CuInSe 2 chalcopyrites. Raman spectroscopy verifies the lattice disorder due to the introduction of Mn into the CuInSe 2 matrix, leading to a slight suppression of thermal conductivity. On the other hand, the Mn substitution significantly increases the electrical conductivity and Seebeck coefficient. Therefore the thermoelectric figure of merit, ZT, has been enhanced by over two orders of magnitude by the introduction of Mn into CuInSe 2 . These materials are p-type degenerate semiconductors, containing divalent Mn species as confirmed by X-ray photoelectron spectroscopy. The crystal structure of Mn-substituted CuInSe 2 , as well as related ternary and quaternary diamond-like semiconductors, can be viewed as a combination of an electrically conducting unit, the

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Shake-up satellites in X-ray photoelectron spectroscopy

Cited by 137 publications

References 44 publications

Surface Chemistry of Cobalt in Calcined Cobalt-Kaolinite Materials

Surface Chemistry of Cobalt in Calcined Cobalt-Kaolinite Materials

Hydrothermal Synthesis and Characterization of Cobalt Clays

Thermoelectric properties ofp-type CuInSe2chalcopyrites enhanced by introduction of manganese

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