Peer Reviewed Publications

24. D. Drey. E. O'Quinn, S. Finkeldei, J. Neuefeind, M. Lang. "Local ordering in disordered NdxZr1-xO2-0.5x pyrochlore as observed using neutron total scattering." Acta Materialia. (2022). https://doi.org/10.1016/j.actamat.2021.117590

 

23. S. C. Finkeldei, S. Chang, M. Ionescu, D. Oldfield, J. Davis, G. R. Lumpkin, D. Simeone, M. Avdeev, F. Brandt, D. Bosbach, M. Klinkenberg, and G. J. Thorogood. "Insight Into Disorder, Stress and Strain of Radiation Damaged Pyrochlores: A Possibile Mechanism for the Appearance of Defect Fluorite." Front. Chem. 9:706736. (2021). 10.3389/fchem.2021.706736

 

22. T. Connor, O, Cheong, T. Bornhake, A. C. Shad, R. Tesch, M. Sun, Z, He, A. Bukayemsky, V. L. Vinograd, S. C. Finkeldei, and P. M. Kowalski. "Pyrochlore Compounds From Atomistic Simulations." Front. Chem. 9:733321. (2021). 10.3389/fchem.2021.733321

 

21. Andrew Miskowiec, Tyler Spano, Z. E. Brubaker, J. L. Niedziela, D. L. Abernathy, Rodney D. Hunt, and S. Finkeldei. "Antiferromagnetic ordering and possible lattice response to dynamic uranium valence in U3O8." Phys. Rev. B. 2021. 103. 205101. https://doi.org/10.1103/PhysRevB.103.205101

20. A. Miskowiec, T. Spano, R. Hunt, A.E. Shields, J.L. Niedziela, S. Finkeldei. "Structural features of solid-solid phase transitions and lattice dynamics in U3O8." Phys. Rev. Mater. (2020), 4, 093160. https://doi.org/10.1103/PhysRevMaterials.4.093610

19. S. Mandal, C.J.D. Kumar, D. Kumar, K. Syed, M.-A. Van Ende, I.-H. Jung, S.C. Finkeldei, W.J. Bowman. "Designing environment-friendly chromium-free Spinel-Periclase-Zirconia refractories for Ruhrstahl Heraeus (RH) degasser." J. Am. Ceram. Soc. (2020), 103, 7095-7114. https://doi.org/10.1111/jace.17402

18. L. Feng, S.C. Finkeldei, B. Heuser, S.J. Dillon, A.T. Nelson, Grain Boundary and Lattice Fracture Toughness of UO2 Measured Using Small-Scale Mechanics, JOM (2020), 72, 2075 –2081. https://doi.org/10.1007/s11837-020-04118-3

17. S. Finkeldei, M.C. Stennett, P.M. Kowalski, Y. Ji, E. de Visser-Týnová, N.C. Hyatt, D. Bosbach, F. Brandt, “Insights into the fabrication and structure of plutonium pyrochlores”, J. Mater. Chem. A. (2020), 8, 2387–2403. https://doi.org/10.1039/C9TA05795A

16. A.C. Maier, P. Kegler, M. Klinkenberg, A. Baena, S. Finkeldei, F. Brandt, M. Jonsson. "On the change in UO2 redox reactivity as a function of H2O2 exposure." Dalton Trans. (2020), 49, 1241 – 1248. https://doi.org/10.1039/C9DT04395K

15. A. Miskowiec, J. Niedziela, T. Spano, M. Ambrogio, S. Finkeldei, R. Hunt, A. Shields. "Additional Complexity in the Raman Spectra of U3O8." J. Nucl. Mater. (2019), 527, 151790. https://doi.org/10.1016/j.jnucmat.2019.151790

14. S. Finkeldei, J.O. Kiggans, R.D. Hunt, A.T. Nelson, K.A. Terrani. "Fabrication of UO2-Mo composite fuel with enhanced thermal conductivity from sol-gel feedstock." J. Nucl. Mater. (2019), 520, 56-64. https://doi.org/10.1016/j.jnucmat.2019.04.011

13. R.D. Hunt, J.L. Collins, M.H. Lloyd, S. Finkeldei. "Production of more ideal uranium trioxide microspheres for the sol-gel microsphere pelletization process without the use of carbon." J. Nucl. Mater. (2019), 515, 107-110. https://doi.org/10.1016/j.jnucmat.2018.12.029

12. S. Finkeldei, J. Kiggans, R. Hunt, K. Terrani. "Processing of Enhanced UO2 Fuel Starting from a Sol-Gel Feedstock." Trans. Am. Nucl. Soc. (2018), 118, 1399 - 1400.

 

11. E. Muehr-Ebert, E. Lichte, A. Bukaemskiy, S. Finkeldei, M. Klinkenberg, F. Brandt, D. Bosbach, G. Modolo. "Dissolution behavior of MgO based inert matrix fuel for the transmutation of minor actinides." J. Nucl. Mater. (2018), 505, 94-104. https://doi.org/10.1016/j.jnucmat.2018.04.001

 

10. S. Szenknect, S. Finkeldei, F. Brandt, J. Ravaux, M. Odorico, R. Podor, J. Lautru, N. Dacheux, D. Bosbach "Monitoring the microstructural evolution of Nd2Zr2O7 pyrochlore during dissolution at 90 °C in 4 M HCl: Implications regarding the evaluation of the chemical durability." J. Nucl. Mater. (2017), 496, 97-108. https://doi.org/10.1016/j.jnucmat.2017.09.029

9. S. Finkeldei, Ph. Kegler, P.M. Kowalski, C. Schreinemachers, F. Brandt, A.A. Bukaemskiy, V.L. Vinograd, G. Beridze, A. Shelyug, A. Navrotsky, D. Bosbach. "Composition dependent order-disorder transition in NdxZr1-xO2-0.5x pyrochlores: a combined structural, calorimetric and ab initio modeling study." Acta Mater. 2017, 125, 166-176. https://doi.org/10.1016/j.actamat.2016.11.059

8. J. Shamblin, M. Feygenson, J. Neuefeind, C.L. Tracy, F. Zhang, S. Finkeldei, D. Bosbach, H. Zhou, R.C. Ewing, M. Lang."Probing disorder in isometric pyrochlore and related complex oxides." Nat. Mater. 2016, 15, 507-511. https://doi.org/10.1038/nmat4581

7. C. Fischer, S. Finkeldei, F. Brandt, D. Bosbach, A. Lüttge. "Direct measurement of surface dissolution rates in potential nuclear waste forms: The example of pyrochlore." ACS Appl. Mater.  Interfaces (2015), 7, 17857-17865.  https://doi.org/10.1021/acsami.5b04281

6. Y. Li, P. Kowlaski, G. Beridze, A.R. Birnie, S. Finkeldei, D. Bosbach. "Defect formation energies in A2B2O7 pyrochlores." Scr. Mater. (2015), 107, 18-21. https://doi.org/10.1016/j.scriptamat.2015.05.010

5. B. Klobes, S. Finkeldei, F. Brandt, D. Bosbach, D. Bessas, J.-P. Embs, R.P. Hermann. "A general and Eu specific perspective on lattice dynamics in pyrochlore and defect fluorite (Eu1−xNdx)2Zr2O7." Phys. Status Solidi (B) (2015), 252, 1940 -1945. https://doi.org/10.1002/pssb.201552076

4. B. Klobes, S. Finkeldei, W. Röhrig, D. Bosbach, R.P. Hermann. "Hyperfine Interactions in and Lattice Parameters of Pyrochlore and Defect Fluorite (Eu1-xNdx)2Zr2O7." J. Phys. Chem. (Solids 2015), 79, 43–48.  https://doi.org/10.1016/j.jpcs.2014.11.011

3. S. Finkeldei, F. Brandt, K. Rozov, A. Bukaemskiy, S. Neumeier, D. Bosbach. "Dissolution of ZrO2 based Pyrochlores in the Acid pH Range: A Macroscopic and Electron Microscopy Study." J. Appl. Geochem. (2014), 49, 31-41. https://doi.org/10.1016/j.apgeochem.2014.06.014

2. S. Finkeldei, F. Brandt, A. Bukaemskiy, S. Neumeier, G. Modolo, D. Bosbach. "Synthesis and Dissolution Kinetics of Zirconia based Ceramics." Prog. Nucl. Energ. (2013), 72, 130-133. https://doi.org/10.1016/j.pnucene.2013.07.020

1. K.S. Holliday, S. Finkeldei, S. Neumeier, C. Walther, D. Bosbach, T. Stumpf. "TRLFS of Eu3+ and Cm3+ doped La2Zr2O7: A Comparison of Defect Fluorite to Pyrochlore Structures." J. Nucl. Mater. (2012), 433, 479–485. https://doi.org/10.1016/j.jnucmat.2012.10.028