XPS evidence for Fe and As oxidation states and electronic states in loellingite (FeAs2)

American Mineralogist

Volumn 87, Issue 11-12, 2002, Pages 1692-1698

  Jones, R A ^a   Nesbitt, H Wayne ^a  

^a UNIVERSITY OF WESTERN ONTARIO   (Canada)

Author keywords

[No Author keywords available]

Indexed keywords

ARSENIC; BINDING ENERGY; IRON METALLOGRAPHY; OXIDATION; PYRITES; REDOX REACTIONS; SPIN ORBIT COUPLING; SULFIDE MINERALS; X RAY PHOTOELECTRON SPECTROSCOPY;

BULK CONTRIBUTIONS; INTERMEDIATE SPINS; MAGNETIC STUDIES; PYRITE SURFACES; SURFACE SPECIES; UNPAIRED ELECTRONS; VALENCE ELECTRON; X-RAY PHOTOELECTRON SPECTROSCOPY STUDIES;

IRON;

ARSENIC; ARSENOPYRITE; CRYSTAL CHEMISTRY; IRON; LOLLINGITE; OXIDATION; X-RAY SPECTROSCOPY;

EID: 0036874856     PISSN: 0003004X     EISSN: None     Source Type: Journal    
DOI: 10.2138/am-2002-11-1219     Document Type: Article

References (35)

1. Bahl, M.K., Woodall, R.O., Watson, R., and Irgolic, K.J. (1976) Relaxation during photoemission and LMM Auger decay in arsenic and some of its compounds. Journal of Chemical Physics, 64, 1210-1218.
2. Biegelsen, D.K., Swartz, L.-E., and Bringans, R.D. (1990a) GaAs epitaxy and heteroepitaxy: a scanning tunneling microscopic study. Journal of Vacuum Technology, A8, 280-283.
3. Biegelsen, D.K., Bringans, R.D., Northrup, J.E., and Swartz, L.-E. (1990b) Reconstructions of GaAs(111) surfaces observed by scanning tunneling microscopy. Physical Review Letters. 65, 452-455.
4. Briggs, D. and Seah, M.P. (1990) Practical Surface Analysis (2nd ed.) Volume 1: Auger and X-ray Photoelectron Spectroscopy. John Wiley and Sons Inc., New York. pp. 201-255.
5. 2). Surface Science, 314, L931-L936.
6. Buerger, M.J. (1936) The symmetry and crystal structure of the minerals of the arsenopyrite group. Zeitschrift für Kristallographie, Kristallgeometrie, Kristallphysik, Kristallchemic, 95, 83-113.
7. 2. Journal of Solid State Chemistry, 5, 136-143.
8. Gibson, A.S. and LaFemina, J.P. (1996) Structure of mineral surfaces. In Physics and Chemistry of Mineral Surfaces, P.V. Brady, Ed., CRC Press. Boca Raton, Florida, p. 1-62.
9. Goodenough, J.B. (1972) Energy bands in TX, compounds with pyrite, marcasite. and arsenopyrite structures. Journal of Solid State Chemistry. 5, 144-152.
10. Gupta, R.P. and Sen, S.K. (1974) Calculation of multiplet structure of core p-valency levels. Physical Review B. 10, 71-79.
11. Gupta, R.P. (1975) Calculation of multiplet structure of core p-valency levels II. Physical Review B, 12, 12-19.
12. Harrison, W.A. (1980) Electronic Structure and the Properties of Solids. Freeman, San Francisco, 582 p.
13. Hullinger, F. and Mooser, E. (1965) Semiconductivity in pyrite, marcasite and arsenopyrite phases. Journal of Physics and Chemistry of Solids, 26, 429-433.
14. McIntyre, N.S. and Zetaruk, D.G. (1977) X-ray photoelectron spectroscopic studies of iron oxides. Analytical Chemistry, 49, 1521-1529.
15. Nesbitt, H.W. and Muir, I.J. (1994) X-ray photoelectron spectroscopic study of a pristine pyrite surface reacted with water vapour and air. Geochimica et Cosmochimica Acta, 58, 4667-4678.
16. Nesbitt, H.W. and Muir, I.J. (1998) Oxidation states and speciation of secondary products on pyrite and arsenopyrite reacted with mine waste waters and air. Mineralogy and Petrology, 62, 123-144.
17. Nesbitt, H.W., Muir, I.J., and Pratt, A.R. (1995) Oxidation of arsenopyrite by a r and air-saturated, distilled water, and implications for mechanism of oxidation. Geochimica et Cosmochimica Acta, 59, 1773-1786.
18. Nesbitt, H.W., Bancroft, G.M., Pratt, A.R., and Scaini, M.J. (1998) Sulfur and iron surface states on fractured pyrite surfaces. American Mineralogist, 83, 1067-1076.
19. 3+-S surface species on pyrite fracture-surfaces, and their 3D electronic states. American Mineralogist, 85, 850-857.
20. 2) surfaces. Submitted to American Mineralogist, Oct. 11, 2001.
21. Nickel, E.H. (1968) Structural stability of minerals with the pyrite, marcasite, arsenopyrite and loellingite structures. Canadian Mineralogist, 9, 311-321.
22. Pearson, W.B. (1965) Compounds with the marcasite structure. Zeitschrift für Kristallographie, 121, 449-462.
23. Pratt, A.R., Muir, I.J., and Nesbitt, H.W. (1994) X-ray photoelectron and Auger electron spectroscopic studies of pyrrhotitte and mechanism of air oxidation. Geochimica et Cosmochimica Acta, 58, 827-841.
24. Rinker, M.J., Nesbitt H.W., and Pratt, A.R. (1997) Marcasite oxidation in low-temperature acidic (pH 3.0) solutions: Mechanism and rate laws. American Mineralogist, 82, 900-912.
25. Schaufuss, A.G., Nesbitt, H.W., Kartio, I., Laajalehto, K., Bancroft, G.M., and Szargan, R. (1998) Incipient oxidation of fractured pyrite surfaces in air. Journal of Electron Spectroscopy and Related Phenomena. 96, 69-82.
26. Schaufuss, A.G., Nesbitt, H.W., Scaini, M.J., Hoechst, H., Bancroft, G.M., and Szargan, R. (2000) Reactivity of surface sites on fractured arsenopyrite (FeAsS) toward oxygen. American Mineralogist, 85, 1754-1766.
27. Shirley, D.A. (1972) High-resolution X-ray photoemission spectrum of the valence bands of gold. Physical Review B, 5, 4709-4714.
28. Tanuma, S., Powell, C.J., and Penn, D.R. (1991) Calculations of electron inelastic mean free paths III. Surface and Interfacial Analyses, 17, 927-939.
29. Tossell, J.A. (1983) A qualitative molecular orbital study of the stability of polyanions in mineral structures. Physics and Chemistry of Minerals, 9, 115-123.
30. 2 and related minerals. Physics and Chemistry of Minerals. 11, 75-80.
31. Tossell, J.A., Vaughan, D.J., and Burdett, J.K. (1981) Pyrite, marcasite, and arsenopyrite type minerals: Crystal chemical and structural principles. Physics and Chemistry of Minerals, 7, 177-184.
32. Vaughan, D.J. and Craig, J.R. (1978) Mineral chemistry of metal sulfides. Cambridge University Press, Cambridge, 493 p.
33. Vaughan, D.J. and Ridout, M.S. (1971) Mössbauer studies of some sulphide minerals. Journal of Inorganic and Nuclear Chemistry, 33, 741-747.
34. Wijeyesekera, S.D. and Hoffman, R. (1983) Marcasites and arsenopyrites: structure, bonding and electrical properties. Inorganic Chemistry, 22, 3287-3300.
35. 2). Geochimica et Cosmochimica Acta, 59,