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Antonio F. Fuentes, Eric C. O’Quinn, Sagrario M. Montemayor, Haidong Zhou, Maik Lang and Rodney C. Ewing, The pyrochlore family of lanthanide titanates and zirconates: A review on their
synthesis, structural peculiarities, and properties, under review with Applied Physics Reviews (2024)

Evan Williams, Jacob Minnette, Eric O’Quinn, Cale Overstreet, William F. Cureton, Ina Schubert, Christina Trautmann, Changyong Park, Maxim Zdorovets, Maik Lang, Swift Heavy Ion Irradiation Effects in Zirconium and Hafnium Carbides, Nucl. Instruments Methods Phys. Res. Sect. B Beam Interact. with Mater. Atoms 548 (2024) 165248


Jacob Minnette, Evan Williams, William Cureton, Alexandre Solomon, Eric O’Quinn, Matthew Kurley, Rodney D. Hunt2 Changyong Park, Ina Schubert, Christina Trautmann, Maik Lang, Response of ZrC to Swift Heavy Ion Irradiation, J. Appl. Phys. 134 (2023) 185901

Systematic study of short- and long-range correlations in RE3TaO7 weberite-type compounds by neutron total scattering and X-ray diffraction experiments
I.M. Gussev, E.C. O’Quinn, M. Tucker, C. Overstreet, J. Neuefeind, M. Everett, Q. Zhang, D. Sprouster, D. Olds, G. Baldinozzi, M. Lang
Journal of Materials Chemistry A (revised version under review).

Structural and thermodynamic evolution of an amorphous SiOC ceramic after swift heavy ion irradiation
M. Niu, K. Jayanthi, H. Gao, A.P. Solomon, E.C. O’Quinn, L. Su, Y. Qin, M.E. Toimil-Molares, H. Wang, M. Lang, A. Navrotsky
Acta Materialia 242, 118475 (2023).

Grain size dependence of thermally-induced oxidation in ZrC
D.Z. Chaney, J. Hirtz, E. Williams, J. Minnette, W.F. Cureton, E.C. O’Quinn, X. Zhao, X. Guo, T. Matsuoka, M. Koehler, D. Sprouster, and M. Lang
Journal of Materials Science 58, 2439–2455 (2023).


The Local Structure of Spinel Oxides at High Temperature
J. Hirtz, E.C. O’Quinn, I.M. Gussev, J.C. Neuefeind, M. Lang
Inorganic Chemistry 61, 16822–16830 (2022).

Structural stability of REE-PO4 (REE=Sm,Tb) under swift heavy ion irradiation
C. Overstreet, J. Cooper, E.C. O’Quinn, W.F. Cureton, R. Palomares, J. Leys, G. Deissmann, S. Neumeier, C.-H. Chen, M. Lang
Nucl. Instrum. Methods Phys. Res. B 527, 34-39 (2022).

Local Ordering in Disordered NdxZr1-xO2-0.5x Pyrochlore as Observed using Neutron Total Scattering
D. Drey, E.O’Quinn, S. Finkeldei, J. Neuefeind, M. Lang
Acta Materialia 224, 117590 (2022).

Ordered and Disordered Cubic Systems: Pyrochlore to Fluorite, Now and the Horizon
G.J. Thorogood, S.C. Finkeldei, M.K. Lang, D. Simeone
Frontiers in Chemistry 9, 830330 (2022).


Pressure-induced insulator-metal transition in two-dimensional Mott insulator NiPS3
T. Matsuoka, A. Haglund, R. Xue, J.S. Smith, M. Lang, A.M. dos Santos, and D. Mandrus
Journal of Physical Society of Japan 90, 124706 (2021).

Recent advances in the structure and dynamics of complex oxides, with a focus on fundamentals
C.R. Kreller, M. Lang, and B.P. Uberuaga
Current Opinion in Solid State and Materials Science 25, 100942 (2021).

Defining the Structural Stability Field of Disordered Fluorite Oxides
E.C. O’Quinn, D.L. Drey, and M.K. Lang
Frontiers in Chemistry 9, 733718 (2021).

Multi-scale investigation of heterogeneous swift heavy ion tracks in stannate pyrochlore
E.C. O’Quinn, C.L. Tracy, W.F. Cureton, R. Sachan, J. Neuefeind, C. Trautmann, and M.K. Lang
Journal of Materials Chemistry A 9, 16982-16997 (2021).

Characterization of zirconium carbide microspheres synthesized via internal gelation
P. Huston, D.L. Drey, W.F. Cureton, J.M. Kurley, J.W. Mcmurray, S.M. Everett, C. Park, M. Lang
Journal of Nuclear Materials 557, 153218 (2021).

Review of Swift Heavy Ion Irradiation Effects in CeO2
W.F. Cureton, C.L. Tracy, and M. Lang
Quantum Beam Science 5, 19 (2021).

A.P. Solomon, C.L. Tracy, E.C. O’Quinn, D. Severin, M.K. Lang, Transformations to amorphous and X-type phases in swift heavy ion-irradiated Ln2O3 and Mn2O3, J. Appl. Phys. 129 (2021) 225903. doi:10.1063/5.0050028.

R. Sherrod, E.C. O’Quinn, I.M. Gussev, C. Overstreet, J. Neuefeind, M.K. Lang, Comparison of short-range order in irradiated dysprosium titanates, Npj Mater. Degrad. 5 (2021) 19. doi:10.1038/s41529-021-00165-6.


M. Zhao, E. O’Quinn, N. Birkner, Y. Xu, M. Lang, K. Brinkman, Radiation damage and thermal annealing in tunnel structured hollandite materials, Acta Mater. 206 (2020) 116598. doi:10.1016/j.actamat.2020.116598.

J.L. Bishop, W.L. Cureton, M. Crespillo, M. Koehler, J.D. Auxier II, M. Lang, Radiation-Induced Modifications in Copper Oxide Growth, J. Radioanal. Nucl. Chem. (2020) DOI 10.1007/s10967-020-07486-x.

J.L. Bishop, R. Unger, A.M. Faiia, A. Szynkiewicz, J.D. Auxier II, H.L. Hall, M. Lang, Thermal signatures of Cu metal revealed through oxygen isotope fractionation, J. Radioanal. Nucl. Chem. (2020)

X. Lu, J.T. Reiser, B. Parruzot, L. Deng, I.M. Gussev, J.C. Neuefeind, T.R. Graham, H. Liu, J.V. Ryan, S.H. Kim, N. Washton, M. Lang, J. Du, J.D. Vienna, Effects of Al:Si and (Al+Na):Si ratios on the properties of the international simple glass, part II: Structure, Journal of the American Ceramic Society 17447, 1-25 (2020).

D.L. Drey, E.C. O’Quinn, T. Subramani, K. Lilova, G. Baldinozzi, I.M. Gussev, A.F. Fuentes, J.C. Neuefeind, M. Everett, D. Sprouster, A. Navrotsky, R.C. Ewing, M. Lang, Disorder in Ho2Ti2-xZrxO7: pyrochlore to defect fluorite solid solution series, RSC Advances 10, 34632 (2020).

D. Schauries, B. Afra, P. Mota-Santiago, C. Trautmann, M. Lang, R. Ewing, N. Kirby, P. Kluth, Annealing of ion tracks in apatite under pressure characterized by in situ SAXS, Scientific Reports 10, 1 (2020).

I.M. Gussev, E.C. O’Quinn, G. Baldinozzi, J. Neuefeind, R.C. Ewing, F. Zhang, M. Lang, Local order of orthorhombic weberite type Y3TaO7 as determined by neutron total scattering and density functional theory calculations, Acta Materialia 196, 704-709 (2020).

E.C. O’Quinn, K.E. Sickafus, R.C. Ewing, G. Baldinozzi, J.C. Neuefeind, M.G. Tucker, A.F. Fuentes, D. Drey, M. Lang, Predicting short-range order and correlated phenomena in disordered crystalline materials, Science Advances 6, 1–8 (2020).

W.F. Cureton, J. Zillinger, J. Rosales, R.P. Wilkerson, M. Lang, M. Barnes, Microstructural evolution of Mo-UO2 cermets under high temperature hydrogen environments, Journal of Nuclear Materials 538, 1 (2020).

M. Lang, E.C. O’Quinn, J. Neuefeind, C. Trautmann, Characterization of radiation effects and ion tracks with spallation neutron probes, Nuclear Physics News 30,16-19 (2020).


C.K. Chung, E.C. O’Quinn, J. Neuefeind, A.F. Fuentes, H. Xu, M. Lang, A. Navrotsky, Thermodynamics and structural evolution of mechanically milled and swift heavy ion irradiated Er2Ti2O7 pyrochlore, Acta Materialia 181, 309-317 (2019)

W.F. Cureton, R.I. Palomares, C.L. Tracy, E.C. O’Quinn, J. Walters, M. Zdorovets, R.C. Ewing, M. Toulemonde, M. Lang, Effects of Irradiation Temperature on the Response of CeO2, ThO2, and UO2 to Highly Ionizing Radiation, Journal of Nuclear Materials 525, 83-91 (2019).

R.I. Palomares, M.T. McDonnell, L. Yang, T. Yao, J.E. Szymanowski, J. Neuefeind, G.E. Sigmon, J. Lian, M. Tucker, B.D. Wirth, M. Lang, Oxygen point defect accumulation in single-phase UO2+x, Physical Review Materials 3, 053611 (2019).

M.I. Lönartz, L. Dohmen, C. Lenting, C. Trautmann, M. Lang, and T. Geisler, The Effect of Heavy Ion Irradiation on the Forward Dissolution Rate of Borosilicate Glasses Studied In Situ and Real Time by Fluid-Cell Raman Spectroscopy, Materials 12, 1480 (2019).


W.F. Cureton, R.I. Palomares, J. Walters, C.L. Tracy, C.-H. Chen, R.C. Ewing, G. Baldinozzi, J. Lian, C. Trautmann, M. Lang, Grain size effects on irradiated CeO2, ThO2, and UO2, Acta Materialia 160, 47-56 (2018).

A. Shelyug, R. I. Palomares, M. Lang, and A. Navrotsky, Energetics of defect production in fluorite-structured CeO2 induced by highly ionizing radiation, Physical Review Materials 2, 093607 (2018).

A.F. Fuentes, S.M. Montemayor, M. Maczka, M. Lang, R.C. Ewing and U. Amador, A critical review of existing criteria for the prediction of pyrochlore formation and stability, Inorg. Chem. 57, 12093 (2018).

C.K. Chung, M. Lang, H.W. Xu, and A. Navrotsky, Thermodynamic of radiation induced amorphization and thermal annealing of Dy2Sn2O7 pyrochlore, Acta Materialia 155, 386-392 (2018).

J.M. Heuser, R. Palomares, J. Bauer, M.J.L. Rodriguez, J. Cooper, M. Lang, A. Scheinost, H. Schlenz, B. Winkler, D. Bosbach, S. Neumeier, G. Deissmann, Structural characterization of (Sm,Tb)PO4 solid solutions and pressure-induced phase transitions, J. Eur. Ceram. Soc. 38, 4070 (2018).

C.L. Tracy, M. Lang, F.X. Zhang, S. Park, R.I. Palomares, R.C. Ewing, Review of recent experimental results on the behavior of actinide-bearing oxides and related materials in extreme environments, Progress in Nuclear Energy 104, 4070-4081 (2018).

S.Park, C.L. Tracy, F.X. Zhang, C. Park, C. Trautmann, S.N. Tkachev, M. Lang, W. Mao, R. Ewing, Radiation-induced disorder in compressed lanthanide zirconates, Phys. Chem. Chem. Phys. 20, 6187-6197 (2018).

S. Park, D. Rittman, C.L. Tracy, K. Chapman, F.X. Zhang, C. Park, S. Tkachev, E. O’Quinn, J. Shamblin, M. Lang, W.L. Mao, R. Ewing, A2TiO5 (A = Dy, Gd, Er, Yb) at High Pressure, Inorg. Chem. 57, 2269-2277 (2018).

C.K. Chung, J. Shamblin, E.C. O’Quinn, A. Shelyug, I. Gussev, M. Lang, A. Navrotsky, Thermodynamic and structural evolution of Dy2Ti2O7 pyrochlore after SHI irradiation, Acta Materialia 145, 227-234 (2018).

E.C. O’Quinn, J. L. Bishop, R. Sherrod, J. Neuefeind, M. Feygenson, S.M. Montemayor, A.F. Fuentes, and M. Lang, Advanced characterization technique for mechanochemically synthesized materials: neutron total scattering analysis, J. Mater. Sci. 53, 13400-10402 (2017).

C.H. Chen, C.L. Tracy, C.X. Wang, M. Lang, R.C. Ewing, Initial stages of ion beam-induced phase transformations in Gd2O3 and Lu2O3, Appl. Phys. Lett. 112, 073904 (2018).

J. Shamblin, C.L. Tracy, R.I. Palomares, E.C. O’Quinn, R.C. Ewing, J. Neuefeind, M. Feygenson, J. Behrens, C. Trautmann, M. Lang, Similar local order in disordered fluorite and aperiodic pyrochlore structure, Acta Materialia 144, 60-67 (2018).

S. Park, C.L. Tracy, F.X. Zhang, R.I. Palomares, C. Park, C. Trautmann, M. Lang, W.L Mao, R.C. Ewing, Ewing, Swift-heavy ion irradiation response and annealing behavior of A2TiO5 (A = Nd, Gd, and Yb), J. Solid State Chem. 258, 108-116 (2018).

J. Shamblin, M. Heres, H.D. Zhou, J. Sangoro, M. Lang, J. Neuefeind, J.A. Alonso, S. Jonston, Experimental evidence for bipolaron condensation as a mechanism for the metal-insulator transition in rare-earth nickelates, Nature Communications 9, 86 (2018).

M. Lang, E.C. O’Quinn, J. Shamblin, J. Neuefeind, Advanced Experimental Technique for Radiation Damage Effects in Nuclear Waste Forms: Neutron Total Scattering Analysis, MRS Advances 3, 1735-1747 (2018).


A.B. Cusick, M. Lang, F.X. Zhang, J.M. Zhang, P. Kluth, C. Trautmann, R.C. Ewing, Phase transformation and chemical decomposition of nanocrystalline SnO2 under heavy ion irradiation, Nucl. Instrum. Methods Phys. Res. B 407, 10-19 (2017).

A.B. Cusick, M. Lang, F.X. Zhang, K. Sun, W. Li, P. Kluth, C. Trautmann, R.C. Ewing, Amorphization of  Ta2O5 under swift heavy ion irradiation, Nucl. Instrum. Methods Phys. Res. B 407, 25-33 (2017).

E. O’Quinn, J. Shamblin, B. Perlov, R.C. Ewing, J. Neuefeind, M. Feygenson, I. Gussev, and M. Lang. Inversion in Mg1-xNixAl2O4 Spinel: New Insight into Local Structure. Journal of the American Chemical Society, (2017).

Palomares, R. I., Tracy, C., Neuefeind, J, Ewing, R.C., Trautmann, C., Lang, M. Thermal defect annealing of swift heavy ion irradiated ThO 2. Nucl. Instruments Methods Phys. Res. Sect. B Beam Interact. with Mater. Atoms 405, 15–21 (2017).

Palomares, R. I., Shamblin, J., Tracy, C., Neuefeind, J., Ewing, R.C., Trautmann, C., Lang, M. Defect accumulation in swift heavy ion-irradiated CeO 2 and ThO 2. J. Mater. Chem. A (2017). doi:10.1039/C7TA02640D

J. Shamblin, Z. Dun, M.S. Lee, E.S. Choi, D. Robinson, K. Page, Y. Qiu, H.D. Zhou. Structural and magnetic short range order in fluorite Yb2TiO5. Submitted.

J. Shamblin, M. Heres, H.D. Zhou, J. Sangoro, M. Lang, J. Neuefeind, S. Johnston. Experimental evidence for bipolaron condensation as a mechanism for the metal-insulator transition in rare-earth nickelates. Submitted.

J. Shamblin, C.L. Tracy, E. O’Quinn, R.C. Ewing, J. Neuefeind, M. Feygenson, C. Trautmann, M. Lang. Consistent Local Order in Disordered and Aperiodic Pyrochlore. Submitted.


J.M. Solomon, J. Shamblin, M. Lang, A. Navrotsky, M. Asta. Chemical ordering in substituted fluorite oxides: a computational investigation of Ho2Zr2O7 and RE2Th2O7 (RE=Ho, Y, Gd, Nd, La). Scientific Reports 6(38772), 2016.

F.X. Zhang, C.L. Tracy, J. Shamblin, R. Palomares, M. Lang, S. Park, C. Park, S. Tkachev, R.C. Ewing. Pressure-induced phase transitions of β-type pyrochlore CsTaWO6. RSC Advances 6(97), 2016.

C.L. Tracy, J. Shamblin, S. Park, F.X. Zhang, C. Trautmann, M. Lang, and Rodney C. Ewing, Role of composition, bond covalency, and short-range order in the disordering of stannate pyrochlores by swift heavy ion irradiation, Physical Review B 94, 064102 (2016).

J. Shamblin, S. Calder, Z. Dun, M. Lee, E.S. Choi, J. Neuefeind, H. Zhou, and M. Lang, Crystal structure and partial Ising-like magnetic ordering of orthorhombic Dy2TiO5, Physical Revie B 94, 024413 (2016).

J. Shamblin, M. Feygenson, J. Neuefeind, C.L. Tracy, F.X. Zhang, S. Finkeldei, D. Bosbach, H. Zhou, R.C. Ewing, and M Lang, Probing disorder in isometric pyrochlore and related complex oxides, Nature Materials 15, 507-512 (2016).

J. Shamblin, C.L. Tracy, R.C. Ewing , F.X. Zhang, W. Li, C. Trautmann, M. Lang, Structural response of titanate pyrochlores to swift heavy ion irradiation, Acta Materialia 117, 207-215 (2016).

S.O. Odoh, J. Shamblin, C. A. Colla, S. Hickam, H.L. Lobeck, R.A.K. Lopez, T. Olds, J.E.S. Szymanowski, G.E. Sigmon, J. Neuefeind, W.H. Casey, M. Lang, L. Gagliardi, and P.C. Burns, Structure and Reactivity of X‑ray Amorphous Uranyl Peroxide, U2O7, Inorganic Chemistry 55, 3541−3546 (2016).

F.X. Zhang, C.L. Tracy, M. Lang, R.C. Ewing, Stability of fluorite-type La2Ce2O7 under extreme conditions, Journal of Alloys and Compounds 674, 168-173 (2016).

F.X. Zhang, M. Lang, R.C. Ewing, Phase transition and water incorporation into Eu2Sn2Opyrochlore at high pressure, Chemical Physics Letters 650, 138-143 (2016).

R. Sachan, E. Zarkadoula, M. Lang, C. Trautmann, Y.W. Zhang, M.F. Chisholm, and W.J. Weber, Insights on dramatic radial fluctuations in track formation by energetic ions, Scientific Reports 6, 27196 (2016).


C.L. Tracy, M. Lang, F.X. Zhang, C. Trautmann, and Rodney C. Ewing, Phase transformations in Ln2O3 materials irradiated with swift heavy ions, Physical Review B 92, 174101 (2015).

S. Park, M. Lang, C.L. Tracy, J.M. Zhang, F.X. Zhang, C. Trautmann, M.D. Rodriguez, P. Kluth and R.C. Ewing, Response of Gd2Ti2O7 and La2Ti2O7 to swift-heavy ion irradiation and annealing, Acta Materialia 93, 1-11 (2015).

C.L. Tracy, M. Lang, D. Severin, M. Bender, C. Trautmann, and Rodney C. Ewing, Anisotropic expansion and amorphization of Ga2O3 irradiated with 946 MeV Au ions, Nuclear Instruments and Methods in Physics Research B 374, 40-44 (2015).

F. Pellemoine, M. Avilov, M. Bender, R.C. Ewing, S. Fernandes, M. Lang, W.X. Li, W. Mittig, M. Schein, D. Severin, M. Tomut, C. Trautmann, F.X. Zhang, Study on structural recovery of graphite irradiated with swift heavy ions at high temperature, Nuclear Instruments and Methods in Physics Research B 365, 522-524 (2015).

M. Lang, C.L. Tracy, R.I. Palomares, F.X. Zhang, D. Severin, M. Bender, C. Trautmann, C. Park, V.B. Prakapenka, V.A. Skuratov, and R.C. Ewing, Characterization of Ion-Induced Radiation Effects in Nuclear Materials using Synchrotron X-ray Techniques, Journal of Materials Research 30, 1366-1379 (2015).

R.I. Palomares, C.L. Tracy, F.X. Zhang, C.Y. Park, D. Popov, C. Trautmann, R.C. Ewing, and M. Lang, In situ defect annealing of swift heavy ion irradiated CeO2 and ThO2 using synchrotron X-ray diffraction and a hydrothermal diamond anvil cell, Journal of Applied Crystallography 48, 711-717 (2015).

F.X. Zhang, M. Lang, and R.C. Ewing, Atomic disorder in Gd2Zr2O7 pyrochlore, Applied Physical Letters 106, 191902 (2015).

J.M. Zhang, M. Toulemonde, M. Lang, J.M. Costantini, S. Della-Negra, and R.C Ewing, C60 and U ion irradiation of Gd2TixZr2-xO7 pyrochlore, Journal of Materials Research 30, 2456-2466 (2015).

M. Lang, R. Devanathan, M. Toulemonde, C. Trautmann, Advances in Understanding of Swift Heavy-Ion Tracks in Complex Ceramics, Current Opinion in Solid State & Materials Science, 19, 39-48 (2015).

C.L. Tracy, M. Lang, J.M. Pray, F.X Zhang, D. Popov, C.Y. Park, C. Trautmann, M. Bender, D. Severin, V.A. Skuratov, and R.C. Ewing, Redox response of actinide materials to highly ionizing radiation, Nature Communications 6, 6133 (2015).


F.X. Zhang, M. Lang, C. Tracy, R.C. Ewing, D.J. Gregg, G.R. Lumpkin, Incorporation of uranium in pyrochlore oxides and pressure-induced phase transitions, Journal of Solid State Chemistry 219, 49-54 (2014).

M. Lang, M. Toulemonde, J.M. Zhang, F.X. Zhang, C.L. Tracy, J. Lian, Z.W, Wang, W.J. Weber, D. Severin, M. Bender, C. Trautmann, R.C. Ewing, Swift heavy ion track formation in Gd2Zr2−xTixO7 pyrochlore: Effect of electronic energy loss, Nuclear Instruments and Methods in Physics Research B 336, 102-115 (2014).

B. Afra, M. Lang, T. Bierschenk, M.D. Rodriguez, W.J. Weber, C. Trautmann, R.C. Ewing, N. Kirby, P. Kluth, Annealing behaviour of ion tracks in olivine, apatite and britholite, Nuclear Instruments and Methods in Physics Research B 326, 126-130 (2014).

C.L. Tracy, J.M. Pray, M. Lang, D. Popov, C. Park, C. Trautmann, and R.C. Ewing, Defect Accumulation in ThO2 Irradiated with Swift Heavy Ions, Nuclear Instruments and Methods in Physics Research B 326, 169-173 (2014).

W.X Li, P. Kluth, D. Schauries, M.D. Rodriguez, M. Lang, F.X. Zhang, M. Zdorovets, C. Trautmann, and R.C. Ewing, Effect of orientation on ion track formation in apatite and zircon, American Mineralogist 99, 1127-1132 (2014).

F.X. Zhang, M. Lang, J.W. Wang, W.X. Li, K. Sun, V. Prakapenka, R.C. Ewing, High-pressure U3O8 with the fluorite-type structure, Journal of Solid State Chemistry 213, 110–115 (2014).

S. Park, M. Lang, C.L. Tracy, J.M. Zhang, F.X. Zhang, C. Trautmann, P. Kluth, M.D. Rodriguez, R.C. Ewing, Swift Heavy Ion irradiation-induced Amorphization of La2Ti2O7, Nuclear Instruments and Methods in Physics Research B 326, 145-149 (2014).

M. Lang, F.X. Zhang, J.M. Zhang, C. Tracy, J. von Ehr, Z.Q. Chen, C. Trautmann, and Rodney C. Ewing, Swift heavy ion-induced phase transformation in Gd2O3, Nuclear Instruments and Methods in Physics Research B 326, 121-125 (2014).

D. Schauries , B. Afra, T. Bierschenk, M. Lang, M.D. Rodriguez, C. Trautmann, W. Li, R.C. Ewing, P. Kluth, The shape of ion tracks in natural apatite, Nuclear Instruments and Methods in Physics Research B 326, 117-120 (2014).