Defect-interface interactions

IJ Beyerlein, MJ Demkowicz, A Misra… - Progress in Materials …, 2015 - Elsevier
Nanostructured materials contain an extremely high density of interfaces. The properties of
these materials when exposed to extreme conditions of radiation dose, stress, deformation …

Nuclear waste disposal—pyrochlore Nuclear waste form for the immobilization of plutonium and “minor” actinides

RC Ewing, WJ Weber, J Lian - Journal of Applied Physics, 2004 - pubs.aip.org
During the past half-century, the nuclear fuel cycle has generated approximately 1400 metric
tons of plutonium and substantial quantities of the “minor” actinides, such as Np, Am, and …

Ion irradiation and modification: The role of coupled electronic and nuclear energy dissipation and subsequent nonequilibrium processes in materials

Y Zhang, WJ Weber - Applied Physics Reviews, 2020 - pubs.aip.org
Understanding material responses to energy deposition from energetic charged particles is
important for defect engineering, ion-beam processing, ion-beam analysis and modification …

Radiation tolerance of complex oxides

KE Sickafus, L Minervini, RW Grimes, JA Valdez… - Science, 2000 - science.org
The radiation performance of a variety of complex oxides is predicted on the basis of a
material's propensity to accommodate lattice point defects. The calculations indicate that a …

Atomic-level heterogeneity and defect dynamics in concentrated solid-solution alloys

Y Zhang, S Zhao, WJ Weber, K Nordlund… - Current Opinion in Solid …, 2017 - Elsevier
Performance enhancement of structural materials in extreme radiation environments has
been actively investigated for many decades. Traditional alloys, such as steel, brass and …

Radiation stability of gadolinium zirconate: a waste form for plutonium disposition

SX Wang, BD Begg, LM Wang, RC Ewing… - Journal of Materials …, 1999 - cambridge.org
Zirconate and titanate pyrochlores were subjected to 1 MeV of Kr+ irradiation. Pyrochlores in
the Gd2 (ZrxTi1-x) 2O7 system (x= 0, 0.25, 0.5, 0.75, 1) showed a systematic change in the …

Radiation-induced amorphization of rare-earth titanate pyrochlores

J Lian, J Chen, LM Wang, RC Ewing, JM Farmer… - Physical Review B, 2003 - APS
Single crystals of the entire series of A 2 Ti 2 O 7 (A= Sm to Lu, and Y) pyrochlore
compounds were irradiated by 1-MeV Kr+ ions at temperatures from 293 to 1073 K, and the …

Review of A2B2O7 pyrochlore response to irradiation and pressure

M Lang, F Zhang, J Zhang, J Wang, J Lian… - Nuclear Instruments and …, 2010 - Elsevier
This article reviews recent research on swift heavy-ion irradiations and high-pressure
studies on pyrochlores of the Gd2Zr2− xTixO7 binary [1–4]. Applying three complementary …

Ion-irradiation-induced amorphization of pyrochlore

J Lian, XT Zu, KVG Kutty, J Chen, LM Wang, RC Ewing - Physical Review B, 2002 - APS
The isometric pyrochlore structure, A 2 B 2 O 7, is generally susceptible to radiation damage,
but certain compositions are remarkably resistant to radiation damage. In the binary system …

Alpha-decay damage and aqueous durability of actinide host phases in natural systems

GR Lumpkin - Journal of nuclear materials, 2001 - Elsevier
This paper provides an overview of the geochemical alteration and alpha-decay damage
effects observed in the titanate mineral phases brannerite, perovskite, pyrochlore …