Search Results - "Nesbitt, H. W"

Interpretation of Ni2p XPS spectra of Ni conductors and Ni insulators by Nesbitt, H. W., Legrand, D., Bancroft, G. M.

“…Ni2p3/2 X-ray photoelectron spectral peak binding energies of Ni metal, NiS, and NiAs (all conductors) span a range of about 0.5 eV and are, consequently,…”
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High resolution XPS study of the large-band-gap semiconductor stibnite (Sb 2S 3): Structural contributions and surface reconstruction by Zakaznova-Herzog, V.P., Harmer, S.L., Nesbitt, H.W., Bancroft, G.M., Flemming, R., Pratt, A.R.

“…Conventional X-ray photoelectron spectroscopy (XPS) and synchrotron radiation XPS (SRXPS) were used to probe the chemical state properties of stibnite (Sb 2S…”
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High-resolution valence-band XPS spectra of the nonconductors quartz and olivine by ZAKAZNOVA-HERZOG, V. P, NESBITT, H. W, BANCROFT, G. M, TSE, J. S, GAO, X, SKINNER, W

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Binding of oxygen on vacuum fractured pyrite surfaces: Reactivity of iron and sulfur surface sites by Berlich, A.G., Nesbitt, H.W., Bancroft, G.M., Szargan, R.

“…Synchrotron radiation excited photoelectron spectroscopy (SXPS) has been used to study the interaction of oxygen with vacuum fractured pyrite surfaces…”
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Processes controlling the distribution of Ti and Al in weathering profiles, siliciclastic sediments and sedimentary rocks by Young, Grant M, Nesbitt, H. Wayne

“…The ratio of Ti to Al varies greatly in primary (igneous) source rocks. These elements are considered to be relatively immobile in most weathering regimes, so…”
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Surface states and reactivity of pyrite and marcasite by Uhlig, I, Szargan, R, Nesbitt, H.W, Laajalehto, K

“…The sulphur surface sites of pristine marcasite surfaces and their reactivity during initial air oxidation were investigated for the first time using…”
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Cu adsorption on pyrite (1 0 0): Ab initio and spectroscopic studies by von Oertzen, G.U., Skinner, W.M., Nesbitt, H.W., Pratt, A.R., Buckley, A.N.

“…Surface optimised S 2p photoelectron spectra show that both surface S 2− monomers and (S–S) 2− dimers are present at pyrite (1 0 0) fracture surfaces. In order…”
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Surface structure of sphalerite studied by medium energy ion scattering and XPS by Harmer, S.L., Goncharova, L.V., Kolarova, R., Lennard, W.N., Muñoz-Márquez, M.A., Mitchell, I.V., Nesbitt, H.W.

“…The reactivity of high-Fe containing sphalerite (Zn 1− x Fe x S), the major source of Zn, is of great interest for industrial applications. Since the initial…”
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High resolution core and valence band XPS spectra of non-conductor pyroxenes by Zakaznova-Herzog, V.P., Nesbitt, H.W., Bancroft, G.M., Tse, J.S.

“…High resolution core level and valence band (VB) X-ray photoelectron spectra (XPS) of the non-conductor pyroxene minerals, bronzite ((Mg 0.8,Fe 0.2) 2Si 2O 6)…”
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Bridging, non-bridging and free (O2-) oxygen in Na2O-SiO2 glasses: An X-ray Photoelectron Spectroscopic (XPS) and Nuclear Magnetic Resonance (NMR) study by Nesbitt, H W, Bancroft, G M, Henderson, G S, Ho, R, Dalby, K N, Huang, Y, Yan, Z

“…High resolution Na 1s, O 1s and Si 2p core level XPS spectra of six Na2O-SiO2 glasses ranging in composition from 100 to 45mol % SiO2 have been collected using…”
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High resolution X-ray Photoelectron Spectroscopy (XPS) study of K2O–SiO2 glasses: Evidence for three types of O and at least two types of Si by Sawyer, R., Nesbitt, H.W., Secco, R.A.

“…High resolution O 1s, K 2p and Si 2p XPS Spectra were collected for a series of potassium silicate glasses ranging in composition from 10mol% to 35mol% K2O…”
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Reply to the comment by Malfait on “Spectroscopic studies of oxygen speciation in potassium silicate glasses and melts” by Nesbitt, H.W, Bancroft, G.M, Thibault, Y, Sawyer, R, Secco, R.A

“…Malfait challenges our XPS results by arguing that the XPS spectroscopic technique cannot be used to determine small amounts of O 2– in potassium silicate…”
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Polarized X-ray absorption spectroscopy and XPS of TiS3: S K- and Ti L-edge XANES and S and Ti 2p XPS by Fleet, M.E., Harmer, S.L., Liu, X., Nesbitt, H.W.

“…Sulfur and Ti 2p XPS and polarized S K- and L2,3- and Ti L2,3-edge XANES spectra have been obtained from oriented ribbon-like crystals of TiS3 grown by vapor…”
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Stabilization of pyrite (FeS 2), marcasite (FeS 2), arsenopyrite (FeAsS) and loellingite (FeAs 2) surfaces by polymerization and auto-redox reactions by Harmer, S.L., Nesbitt, H.W.

“…A comparative X-ray photoelectron spectrometric (XPS) study of the Fe 2p, S 2p and As 3d spectra of pristine, fractured surfaces of pyrite, marcasite,…”
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Effects of Chemical Weathering and Sorting on the Petrogenesis of Siliciclastic Sediments, with Implications for Provenance Studies by Nesbitt, H. W., Young, G. M., McLennan, S. M., Keays, R. R.

“…The bulk chemical compositions, mineralogy, and mineral proportions of sands and muds of the Mallacoota Basin in southeastern Australia reflect the composition…”
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XPS valence band study of Na‐silicate glasses: energetics and reactivity by Nesbitt, H. W., Bancroft, G. M., Ho, R.

“…High‐resolution X‐ray photoelectron spectroscopy (XPS) of valence bands of vitreous silica (SiO2(vit)), and Na‐silicate glasses are divisible into 3 sub‐bands…”
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The composition and evolution of primordial solutions on Mars, with application to other planetary bodies by King, P.L., Lescinsky, D.T., Nesbitt, H.W.

“…We examine a model for Mars involving bulk primordial solutions (oceans and lakes) that were relatively Mg-rich and SO 4/(SO 4 + Cl)-rich. Such solutions could…”
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Oxidation of aqueous Cr(III) at birnessite surfaces: constraints on reaction mechanism by Banerjee, D., Nesbitt, H.W.

“…X-ray Photoelectron Spectroscopy (XPS) was used to investigate oxidation of aqueous Cr(III) at the surface of 7 Ae-birnessite [MnO sub(1.75)(OH) sub(0.25)]…”
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X-ray photoelectron spectroscopy study of anodically oxidized SIMFUEL surfaces by Santos, B.G, Nesbitt, H.W, Noël, J.J, Shoesmith, D.W

“…The surface composition of anodically oxidized SIMFUEL (doped uranium dioxide) has been determined as a function of applied potential over the range −500 to…”
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Experimental evidence for Na coordination to bridging oxygen in Na-silicate glasses: Implications for spectroscopic studies and for the modified random network model by Nesbitt, H.W., Henderson, G.S., Bancroft, G.M., Ho, R.

“…X-ray Photoelectron Spectroscopy (XPS) O 1s spectra provide experimental verification of at least two types of bridging oxygen in Na-silicate glasses. Oxygen…”
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