Determination of the uranium valence state in the brannerite structure using EELS, XPS, and EDX

Physics and Chemistry of Minerals

Volumn 32, Issue 1, 2005, Pages 52-64

  Colella, M ^a   Lumpkin, Greg R ^b   Zhang, Z ^a   Buck, Edgar C ^c   Smith, K L ^a  

^a AUSTRALIAN NUCLEAR SCIENCE AND TECHNOLOGY ORGANISATION   (Australia)

^b UNIVERSITY OF CAMBRIDGE   (United Kingdom)

^c PACIFIC NORTHWEST NATIONAL LABORATORY   (United States)

Author keywords

Brannerite; EELS; Uranium; Valence

Indexed keywords

AMORPHOUS MATERIALS; CRYSTAL STRUCTURE; ELECTRON ENERGY LEVELS; ELECTRON ENERGY LOSS SPECTROSCOPY; ENERGY DISPERSIVE SPECTROSCOPY; MICROANALYSIS; SCANNING ELECTRON MICROSCOPY; THERMAL EFFECTS; TRANSMISSION ELECTRON MICROSCOPY; URANATE MINERALS; URANIUM; X RAY PHOTOELECTRON SPECTROSCOPY;

BRANNERITE; URANIUM VALENCE STATE;

TITANATE MINERALS;

BRANNERITE; CRYSTAL CHEMISTRY; MINERALOGY; URANIUM;

EID: 27744562303     PISSN: 03421791     EISSN: 14322021     Source Type: Journal    
DOI: 10.1007/s00269-004-0444-5     Document Type: Article

References (36)

1. Aines RD, Rossman GR (1986) Relationships between radiation damage and trace water in zircon, quartz and topaz. Am Mineral 71:1186-1193
2. Allen GC, Crofts JA, Curtis MT, Tucker PM, Chadwick D, Hampson PJ (1974) X-ray photoelectron spectroscopy of some uranium oxide phases. J Chem Soc Dalton Trans 96-1301
3. Bera S, Sali SK, Sampath S, Narasimhan SV, Venugopal V (1998) Oxidation state of uranium: An XPS study of alkali and alkaline earth uranates. J Nucl Mater 255:26-33
4. Bianconi F, Simonetti A (1967) La brannerite e la sua paragnenesi nelle pegmatiti di Lodrino (Ct. Ticino). Schweiz Mineral Petrogr Mitt 47:887-934
5. Buck EC, Fortner JA (1997) Detecting low levels of transuranics with electron energy loss spectroscopy. Ultramicroscopy 67:69-75
6. Buck EC, Colella M, Smith KL, Lumpkin GR (2001) Investigation of the oxidation state of uranium in nuclear materials and their alteration products. In: McGrail BP, Gragnolino GA (eds) Scientific basis for Nuclear Waste Management XXV, Materials Research Society Proceedings, vol 713, Mater Res Soc, Pittsburgh, pp 655-662
7. Buck WC, Finn PA, Bates JK (2004) Electron energy-loss spectroscopy of anomalous plutonium behavior in nuclear waste minerals. Micron 35:235-243
8. Chadwick D (1973) Uranium 4f binding energies studied by X-ray photoelectron spectroscopy. Chem Phys Lett 21:291-294
9. RF Egerton 1986 Electron energy loss spectroscopy Plenum New York
10. Finnie KS, Zhang Z, Vance ER, Carter ML (2003) Examination of U valence states in the brannerite structure by near-infrared diffuse reflectance and X-ray photoelectron spectroscopies. J Nucl Mater 317:46-53
11. Fleischer M, Chao GY, Mandarino JA (1979) New mineral names. Am Mineral 64:652-659
12. Fortner JA, Buck EC (1996) The chemistry of the light rare-earth elements as determined by electron energy loss spectroscopy. Appl Phys Lett 68:3817-3819
13. Fortner JA, Buck EC, Ellison AJG, Bates JK (1997) EELS analysis of redox in glasses for plutonium immobilization. Ultramicroscopy 67:77-81
14. 2 by electron energy-loss spectroscopy. J Phys Chem Solids 60:1943-1947
15. Koshino M, Kurata H, Isoda S, Kobayashi T (2000) Branching ratio and L2 + L3 intensities of 3d-transition metals in phthalocyanines and amine complexes. Micron 31:373-380
16. Lumpkin GR (2001) Alpha-decay damage and aqueous durability of actinide host phases in natural systems. J Nucl Mater 289:136-166
17. Lumpkin GR, Ewing RC (1988) Alpha-decay damage in minerals of the pyrochlore group. Phys Chem Minerals 16:2-20
18. Lumpkin GR, Smith KL, Blackford MG, Giere R, Williams CT (1994) Determination of 25 elements in the complex oxide mineral zirconolite by analytical electron microscopy. Micron 25:581-587
19. Lumpkin GR, Leung SHF, Colella M (2000) Composition, geochemical alteration, and alpha-decay damage effects of natural brannerites. In: Smith RW, Shoesmith DW (eds) Scientific basis for nuclear waste management XXIII. Mat. Res. Soc. Symp. Proc., vol 608, pp 359-368
20. 4,5 edges in rare earth oxides. J Electron Spectr Rel Phenom 50:1-18
21. 1-x. Phys Rev B 32:3107-3111
22. Pabst A (1954) Brannerite from California. Am Mineral 39:109-117
23. AE Ringwood SE Kesson KD Reeve DM Levins EJ Ramm 1988 Synroc W Lutze RC Ewing Radioactive waste forms for the future Elsevier Amsterdam 223-334
24. Thole BT, van der Laan G (1988) Linear relation between x-ray absorption branching ratio and valence-band spin-orbit expectation value. Phys Rev A 38:1943-1947
25. 2,3-edge electron energy-loss near edge structure spectroscopy. Phys Chem Minerals 25:323-327
26. 23 electron energy-loss near edge spectra. Phys Chem Minerals 29:188-200
27. Vance ER (1994) Synroc: A waste form for actinides. Mater Res Soc Bull 19:28-31
28. Vance ER, Jostsons A, Moricca S, Stewart MSW, Day RA, Begg B, Hambley MJ, Hart KP, Ebbinghaus BB (1999) Synroc derivatives for excess weapons plutonium. Ceram Trans 93:323-329
29. 6. Ceram Trans 107:561-568
30. 6. J Am Ceram Soc 84:141-144
31. Veal BW, Lam DJ (1982) Photoemission spectra. In: Buschbeck KC, Keller C (eds) Gmelin handbook of inorganic chemistry. Supplement, vol. A5. Springer, Berlin Heidelberg New York, pp 176-210
32. 2.25. Phil. Mag. B 77:49-65
33. Wang ZL, Yin JS, Jiang YD (2000) EELS analysis of cation valence states and oxygen vacancies in magnetic oxides. Micron 31:571-580
34. DB Williams CB Carter 1996 Transmission electron microscopy - a textbook for materials science Plenum New York.
35. Zhang Y, Hart KP, Bourcier WL, Day RA, Colella M, Thomas B, Aly Z, Jostsons A (2001) Kinetics of uranium release from synroc phases. J Nucl Mater 289:254-262
36. Zhang Y, Thomas BS, Lumpkin GR, Blackford M, Zhang Z, Colella M, Aly Z (2003) Dissolution of synthetic brannerite in acidic and alkaline fluids. J Nucl Mater 321:1-7