Dr. Maria do Sameiro Marques Fernandes

Scientist / Group Leader

Paul Scherrer Institute
Forschungsstrasse 111
5232 Villigen PSI
Switzerland




PEER REVIEWED PAPERS

1. Inoue, A., Lanson, B., Marques Fernandes, M., Sakharov, B. A., Murakami, T., Meunier, A. und Beaufort, D. (2005) Illite-smectite mixed-layer minerals in hydrothermal alteration of volcanic rocks: I. One dimensional XRD structure analysis and characterization of component layers. Clays and Clay Minerals 53, 423-439.

2. Stumpf, T., Marques Fernandes, M., Walther, C., Dardenne, K. and Fanghänel, Th. (2006) Structural characterization of Am incorporated into calcite: A TRLFS and EXAFS study. Journal of Colloid and Interface Science 302, 240-245.

3. Marques Fernandes, M., Stumpf, T., Rabung, Th., Bosbach, D. and Fanghänel, Th. (2008) Incorporation of Cm(III) in calcite: A time resolved laser fluorescence spectroscopy (TRLFS) study. Geochimica et Cosmochimica Acta 72, 464–474.

4. Marques Fernandes, M., Schmidt, M., Stumpf, T., Walther, C., Bosbach, D., Klenze, R., and Fanghänel, Th. (2008) Site-selective time resolved laser fluorescence spectroscopy of Eu3+ doped calcite. Journal of Colloid and Interface Science 321, 323-331.

5. Schmidt, M., Stumpf, T., Marques Fernandes, M., Walther, C. and Fanghänel, Th. (2008) Charge Compensation in Solid Solutions. Angewandte Chemie International Edition 47, 5846 –5850.

6. Schmidt, M., Stumpf, T., Marques Fernandes, M., Walther, C. and Fanghänel, Th. (2008) Ladungsausgleich in festen Lösungen. Angewandte Chemie 120, 5930-5934.

7. Marques Fernandes, M., Baeyens, B. and Bradbury, M.H. (2008) The influence of carbonate complexation on lanthanide sorption on montmorillonite. Radiochimica Acta 96, 691–697.

8. Marques Fernandes, M., Stumpf, T., Baeyens, B., Walther, C. and Bradbury, M.H. (2010) Spectroscopic identification of ternary Cm-carbonate surface complexes. Environmental Science & Technology 44, 3, 921-927.

9. Marques Fernandes, M., Baeyens, B., Dähn, R., Scheinost, A.C. and Bradbury, M.H. (2012) U(VI) sorption on montmorillonite in the absence and presence of carbonate: A macroscopic and microscopic study. Geochimica et Cosmochimica Acta 93, 262-277

10. Gorski C.A., Aeschbacher M., Soltermann D., Voegelin A., Baeyens B., Marques Fernandes M., Hofstetter T.B., Sander M. (2012) Redox properties of structural Fe in clay minerals: 1. Electrochemical quantification of electron-donating and -accepting capacities of smectites. Environmental Science & Technology 46, 9360-9368

11. Soltermann, D., Marques Fernandes, M., Bradbury, M.H., Dähn, R., Brendlé, J. and Baeyens, B. (2012) Investigations of Fe(II) sorption on synthetic montmorillonite. A combined macroscopic and spectroscopic study. Environmental Science & Technology 47, 6978-6986 12. Breitner, D., Osán, J., Fábián, M., Szabó; C., Daehn, R., Marques, Fernandes M., Sajó, I., Máthé, Z., Török, S., (2013) Retention mechanisms of U(VI) in Boda Claystone Formation as the candidate host rock of high activity and long lived nuclear waste repository in Hungary. Submitted to Applied Geochemistry.

13. Soltermann, D., Marques Fernandes, M., Brendlé, J., Baeyens, B. and Dähn, R. (2014) Competitive Fe(II) Uptake on a Synthetic Montmorillonite. Environmental Science & Technology 48, 190–198

IN PREPARATION/ SUBMITTED:

14. Marques Fernandes, M., Dähn, R., Baeyens, B., Scheinost, A.C. and Bradbury, M.H. (2014) Am(III) sorption on montmorillonite: first structural insights and identification of ternary Am(III)-carbonate surface complexes. In preparation for Environmental Science & Technology.

15. Marques Fernandes, M., Dähn, R., Ver, N. and Baeyens, B. (2014) Validation of the “Bottom up” approach for the predictive modelling of sorption isotherms on argillaceous rocks. In preparation for Geochimica et Cosmochimica Acta.

16. Soltermann, D, Marques Fernandes, M, Baeyens, B, Dähn, D, Josh, P.A.and Gorski, C.A. (2014) Fe(II) Uptake on Natural Montmorilloniteunder Anoxic Conditions. I. Macroscopic and Spectroscopic Characterization. Submitted to Environmental Science & Technology.

17. Soltermann, D.; Baeyens, B.; Sander, M.; Marques Fernandes, M. (2014) Fe(II) uptake on montmorillonite under anoxic conditions and electrochemically reduced conditions. II. Surface complexation modelling. Submitted to Environmental Science & Technology.

*BOOK CHAPTER*

18. Marques Fernandes, M., Baeyens, B., Beaucaire, C. (2012) Radionuclide retention at mineral-water interfaces in the natural environment. In: Radionuclide behaviour in the natural environment: Science, implications and lessons for the nuclear industry (Eds. Poinssot C. & Geckeis H.). Woodhead Publishing Series in Energy: Number 42, Woodhead Publishing Limited.

REPORTS:

1. Marques Fernandes, M., Stumpf, T., Rabung, T., Bosbach, D., Fanghänel, T., Dardenne, K., Schäfer, T., Denecke, M.A. (2005) EXAFS investigation of americium incorporation into secondary minerals. ANKA - Annual Report 2005 p.90-91 Karlsruhe.

2. Marques Fernandes, M. (2006) Spektroskopische Untersuchungen (TRLFS und XAFS) zur Wechselwirkung von dreiwertigen Lanthaniden und Actiniden mit der Mineralphase Calcit. Ph.D. Thesis. Ruprecht-Karl University, Heidelberg, Germany.

3. Marques Fernandes, M., Baeyens, B. and Bradbury, M.H. (2008) Influence of carbonate complexation on the sorption of actinides/lanthanides on clays. Research Focus and Highlights – Nuclear Energy and Safety, PSI Scientific Report.

4. Marques Fernandes, M., Baeyens, B., Dähn, R. and Bradbury, M.H. (2012) Structural identification of AmIII surface complexes on montmorillonite. Research Focus and Highlights – NES Scientific Report.

5. Baeyens, B., Thoenen, T., Bradbury, M.H., Marques Fernandes, M. (2014) Sorption data bases for the host rocks and lower confining units and bentonite for provisional safety analyses for SGT-E2. Nagra Technical Report NTB 12-04.

6. Baeyens, B., Marques Fernandes, M. and Bradbury, M.H. (2014) Comparison between host rock and bentonite sorption measurements and predictions using the SDB approach applied in the provisional safety analyses for SGT-E2. Nagra Technical Report NTB 12-05.

CONTRIBUTIONS TO CONFERENCES, WORK-SHOPS & MEETINGS (ORAL & POSTERS)

INVITED TALKS:

1. 08/2014: 248th ACS National Meeting & Exposition, San Francisco (USA): Soltermann, D., Marques Fernandes, M., Dähn R., Gorski, C.A., and Baeyens, B., “Fe(II) uptake on montmorillonites: surface complexation and oxidation”.

2. 08/2013: 23nd Goldschmidt Conference, Firenze (Italy): Marques Fernandes, M., Ver, N., Dähn, R., Baeyens, B., “Bottom up approach for the predictive modelling of sorption isotherms on argillaceous rocks”.

3. 06/2013: ACTINIDES 2013, Karlsruhe (Germany): Marques Fernandes, M., “The fate of trivalent actinides in clay-based radioactive waste repositories”.

4. 05/2013: Université Sophia Antipolis, Institut de Chimie, Nice (France): Marques Fernandes, M., “A multidisciplinary approach to investigate An/Ln(III) uptake processes on montmorillonite”.

5. 02/2013: Lawrence Berkeley National Laboratory (USA): Marques Fernandes, M., “Shining light on the fate of trivalent actinides in clay-based radioactive waste repositories: Influence on carbonate complexation”.

ORAL PRESENTATIONS (since 2003)

6. 06/2013: NES Colloquium, PSI: Marques Fernandes, M. & Degueldre C., “Americium in fuel or in waste?”

7. 06/2013: Bereichskommission NES, PSI: Marques Fernandes, M., “Radionuclide sorption competition on clay minerals and the impact on performance assessment”.

8. 02/2013: 25th PSI Waste Management Program Committee Meeting, PSI: Marques Fernandes, M., “A multidisciplinary approach to investigate An/Ln(III) uptake processes on montmorillonite: Influence of carbonate complexation”.

9. 10/2012: 5th International meeting "Clays in Natural and Engineered Barriers for Radioactive Waste Confinement", Montpellier (France): Soltermann, D., Marques Fernandes, M., Dähn, R., Baeyens, B., Brendlé, J., Bradbury, M.H., “Investigations of Fe(II) sorption onto montmorillonite. A wet chemistry and XAS study”.

10. 10/2012: 5th International meeting "Clays in Natural and Engineered Barriers for Radioactive Waste Confinement", Montpellier (France): Mibus, J., Baeyens, B., Marques Fernandes, M., Traber, D., “Derivation of Sorption Parameters for Argillaceous Host Rocks in Switzerland”.

11. 06/2012: 22nd Goldschmidt Conference, Montreal (Canada): Soltermann, D., Marques, M., Dähn, R., Baeyens, B., Bradbury, M.H., “Investigations of Fe(II) sorption onto montmorillonite. A wet chemistry and XAS study”.

12. 09/2009: 12th International Conference on the Chemistry and Migration Behaviour of Actinides and Fission Products in the Geosphere, Kennewick (USA): Marques Fernandes, M., Baeyens, B., Bradbury, M.H., “The influence of carbonate complexation on the sorption of actinides on clay minerals”.

13. 11/2008: 9th Coordination Meeting Institut für Radiochemie (FZD)-Labor für Endlagersicherheit (PSI), Dresden (Germany): Marques Fernandes, M., “Influence of carbonate on the sorption of trivalent actinides/lanthanides on clay minerals: A macroscopic and microscopic approach”.

14. 03/2008: 15th Coordination Meeting Institut für Nukleare Entsorgung (KIT)-Labor für Endlagersicherheit (PSI): Marques Fernandes, M., “Influence of carbonate on the sorption of trivalent actinides/lanthanides on clay minerals: A macroscopic and microscopic approach”.

15. 02/2008: 21st PSI Waste Management Program Committee Meeting, PSI: Marques Fernandes, M., “Investigations on the influence of carbonate on the sorption of trivalent actinides/lanthanides on clay minerals: A macroscopic and microscopic approach”.

16. 09/2006: Tagung der Deutschen Mineralogischen Gesellschaft, Hannover (Germany): Marques Fernandes, M., “Rare earth elements (REE) uptake by calcite in aqueous environment: Spectroscopic identification of molecular sorption mechanisms”.

17. 09/2004 Tagung der Gemeinschaft Deutscher Chemiker, Karlsruhe (Germany): Marques Fernandes, M., “Incorporation of trivalent actinides and lanthanides into calcite. A time resolved laser fluorescence spectroscopy (TRLFS) study”.

18. 05/2004: Jahrestagung Kerntechnik, Düsseldorf (Germany): Marques Fernandes, M., “Spektroskopische Untersuchungen zum Einbau von dreiwertigen Actiniden und Lanthaniden in Calcit”.

19. 10/2003: Tagung der Gemeinschaft Deutscher Chemiker, Munich (Germany): Marques Fernandes, M., “Incorporation/sorption of trivalent actinides and lanthanides in/on calcite”.

POSTER PRESENTATIONS (since 2003)

20. 09/2013: 14th International Conference on the Chemistry and Migration Behaviour of Actinides and Fission Products in the Geosphere, Brighton (U.K.): Gaona, X., Marques Fernandes, M, Baeyens, B, Altmaier, M. “Solubility and hydrolysis of U(VI) at 80°c under acidic to hyperalkaline pH conditions”.

21. 10/2012: 5th International meeting "Clays in Natural and Engineered Barriers for Radioactive Waste Confinement", Montpellier (France): Baeyens, B., Marques Fernandes, M., Bradbury, M.H., “Influence of sorption competition on sorption data for MX-80 bentonite used in performance assessment”.

22. 10/2012: 5th International meeting "Clays in Natural and Engineered Barriers for Radioactive Waste Confinement", Montpellier (France): Marques Fernandes, M., Ver, N., Baeyens, B., Bradbury, M.H., “Application of the “Bottom up” approach for the predictive modelling of sorption isotherms on Hungarian Boda Clay”.

23. 06/2012: 22nd Goldschmidt Conference, Montreal (Canada): Marques Fernandes, M., Baeyens, B., Dähn, R., Bradbury, M.H., “Sorption of Lanthanides and trivalent actinides on montmorillonite in the presence and absence of carbonate”.

24. 03/2012: Uranium biogeochemistry: transformations and applications’ International Workshop, Monte Veritá (Switzerland). Marques Fernandes, M., Baeyens, B., Dähn, R. Scheinost, A.C., Bradbury, M.H., “U(VI) sorption on montmorillonite: A macroscopic and microscopic study”.

25. 09/2011: 13th International Conference on the Chemistry and Migration Behaviour of Actinides and Fission Products in the Geosphere, Beijing (China): Baeyens, B., Marques Fernandes, M., Bradbury, M.H., “Sorption competition on illite: Experiments and modelling”.

26. 09/2011: 13th International Conference on the Chemistry and Migration Behaviour of Actinides and Fission Products in the Geosphere, Beijing (China): Marques Fernandes, M., Baeyens, B., Dähn, R., Bradbury, M.H., “First structural insight into the sorption of Am(III) on montmorillonite in the presence and absence of carbonate”.

27. 09/2011: 13th International Conference on the Chemistry and Migration Behaviour of Actinides and Fission Products in the Geosphere, Beijing (China): Ishidera, T., Marques Fernandes, M., Baeyens, B., Glaus, M., “Sorption and diffusion studies on MX-80 bentonite originating from alternative buffer materials (ABM) project”.

28. 07/2008: Actinide XAS, Saint-Aubin (France): Marques Fernandes, M., Baeyens, B., Dähn, R., Bradbury, M.H., “Influence of carbonate complexation on the sorption of U(VI) on montmorillonite. A XAS study”.

29. 03/2008: Actinet Plenary Meeting, Avignon (France): Marques Fernandes, M., Baeyens, B., Dähn, R., Bradbury, M.H., “Macroscopic and microscopic study of actinide sorption on clay minerals: Influence of carbonate complexation”.

30. 09/2007: 3rd International meeting "Clays in Natural and Engineered Barriers for Radioactive Waste Confinement", Lille (France): Marques Fernandes, M., Baeyens, B., Dähn, R., Bradbury, M.H., “A time resolved laser fluorescence and x-ray absorption spectroscopy study of lanthanide/actinide sorption on clay minerals: Influence of carbonate complexation”.

31. 09/2007: 11th International Conference on the Chemistry and Migration Behaviour of Actinides and Fission Products in the Geosphere, Munich (Germany): Marques Fernandes, M., Baeyens, B., Bradbury, M.H., “The influence of carbonate complexation on actinide/lanthanide sorption on montmorillonite: surface complexation modelling”.

32. 09/2005: 10th International Conference on the Chemistry and Migration Behaviour of Actinides and Fission Products in the Geosphere, Avignon (France): Marques Fernandes, M., Stumpf, T., Fanghänel, Th., “Incorporation of trivalent actinides (Cm(III)) in calcite. A spectroscopic (TRLFS and EXAFS) study”.

33. 03/2005: 2nd International meeting "Clays in Natural and Engineered Barriers for Radioactive Waste Confinement",, Tours (France): Marques Fernandes, M., Stumpf, T., Rabung, Th., Fanghänel, Th., “Incorporation of trivalent actinides Cm(III) into calcite at high and lower pH. A time resolved laser fluorescence spectroscopy (TRLFS) study”.

34. 06/2004: 13th Goldschmidt Conference, Copenhagen (Denmark). Marques Fernandes, M., Stumpf, T., Fanghänel, Th., “Incorporation of trivalent actinides into calcite. A time resolved laser fluorescence spectroscopy (TRLFS) study”.

35. 03/2004: SOPRO Workshop, Karlsruhe (Germany): Marques Fernandes, M., Stumpf, T., Fanghänel, Th., “Incorporation of trivalent actinides and lanthanides into calcite. A time resolved laser fluorescence spectroscopy (TRLFS) study”.