First-principles explorations of the universal picture of oxide layer structure over metallic plutonium
B Ao, R Qiu - Corrosion Science, 2019 - Elsevier
The oxide layer structure over Pu is the central issue of Pu corrosion science; however, the
widely discussed sandwich-like structure (Pu//Pu 2 O 3//PuO 2) might be just a …
widely discussed sandwich-like structure (Pu//Pu 2 O 3//PuO 2) might be just a …
Intrinsic oxygen defects in UO2 (1 1 1) and PuO2 (1 1 1) surfaces
W Lv, Z Zhao, B Sun, P Guan, Y Yang, P Zhang - Applied Surface Science, 2023 - Elsevier
Density functional theory (DFT)+ U combined with the first principle atomistic thermodynamic
method was employed to study the physical properties of intrinsic oxygen defects in (1 1 1) …
method was employed to study the physical properties of intrinsic oxygen defects in (1 1 1) …
Phase segregation, transition, or new phase formation of plutonium dioxide: the roles of transition metals
B Ao, J Tang, X Ye, R Tao, R Qiu - Inorganic Chemistry, 2019 - ACS Publications
As impurities are virtually impossible to exclude from Pu oxides in realistic environments,
understanding the roles of impurities is crucial for the applications and designs of Pu oxides …
understanding the roles of impurities is crucial for the applications and designs of Pu oxides …
Plutonium oxidation states in complex molecular solids
B Ao, R Qiu, SX Hu - The Journal of Physical Chemistry C, 2019 - ACS Publications
Oxidation state is a key chemical quantity that allows the understanding and prediction of the
majority of chemical reactions; however, the main deficiency using the formal oxidation state …
majority of chemical reactions; however, the main deficiency using the formal oxidation state …
Polaron modulation mechanism of H2O and CO2 adsorption on PuO2 (111) surface
L Zhang, B Sun, Q Zhang, H Liu, K Liu, H Song - Applied Surface Science, 2020 - Elsevier
The polarons induced by interactions between excess charges and lattice distortions play an
important role in surface chemical reactivity of actual oxides. The impacts of electron and …
important role in surface chemical reactivity of actual oxides. The impacts of electron and …
DFT + U Study of Plutonium Hydrides with Occupation Matrix Control
L Xie, X Ye, R Qiu - Inorganic Chemistry, 2024 - ACS Publications
The magnetic order of plutonium hydrides (PuH x) has long been a subject of controversy,
both experimentally and theoretically. The magnetic, structural, electronic, and …
both experimentally and theoretically. The magnetic, structural, electronic, and …
Diffusion behavior of hydrogen in oxygen saturated and unsaturated plutonium dioxide: An ab initio molecular dynamics study
J Tang, R Qiu, J Chen, B Ao - Journal of Alloys and Compounds, 2020 - Elsevier
As the plutonium (Pu) oxides are the crucial issue of the Pu surface and corrosion science
and some impurities like hydrogen (H) are virtually impossible to exclude from them in …
and some impurities like hydrogen (H) are virtually impossible to exclude from them in …
New theoretical insights into the actual oxidation states of uranium in the solid-state compounds
B Ao, R Qiu, J Tang, J Chen - Journal of Nuclear Materials, 2021 - Elsevier
Oxidation state (OS) is one of the most important concepts in chemistry and, the challenging
task is how to rigorously determine the OS of multivalent solid ions of which uranium is the …
task is how to rigorously determine the OS of multivalent solid ions of which uranium is the …
Theoretical study on the hydrogen distribution and diffusion at the PuO 2/α-Pu 2 O 3 interface
H Huang, M Zhu, M Guo, L Li, Y Li - RSC advances, 2024 - pubs.rsc.org
The interface is a region in the crystal that significantly changes various characteristics.
There must be an interface between oxides of different valence states in the surface oxide …
There must be an interface between oxides of different valence states in the surface oxide …
Atom-resolved chemical states in the multivalent U-TM-O (TM: Ti, V, Cr, Mn, Fe, Ni, Nb, Mo, W) ternary oxides from first-principles
B Ao - The Journal of Physical Chemistry C, 2019 - ACS Publications
Uranium (U) has attracted considerable fundamental and applied studies; among them, the
rigorous determination of its chemical state is one of the crucial topics owing to its well …
rigorous determination of its chemical state is one of the crucial topics owing to its well …