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 …

[HTML][HTML] Electron-driven heterogeneous catalytic synthesis of ammonia: Current states and perspective

K Wang, D Smith, Y Zheng - Carbon Resources Conversion, 2018‏ - Elsevier
Ammonia is the second most produced chemical worldwide that makes up 80% of nitrogen-
based fertilisers, which have supported approximately 27% of the world's population over …

High-entropy ferroelastic (10RE0. 1) TaO4 ceramics with oxygen vacancies and improved thermophysical properties

J Wang, X Chong, L Lv, Y Wang, X Ji, H Yun… - Journal of Materials …, 2023‏ - Elsevier
The primary purpose of this work is to optimize the thermophysical properties of rare-earth
tantalate ceramics using the high-entropy effect. Here, the high-entropy rare-earth tantalate …

Superionics: crystal structures and conduction processes

S Hull - Reports on Progress in Physics, 2004‏ - iopscience.iop.org
Superionic conductors are compounds that exhibit exceptionally high values of ionic
conductivity within the solid state. Indeed, their conductivities often reach values of the order …

Electronic structure, mechanical properties and thermal conductivity of Ln2Zr2O7 (Ln= La, Pr, Nd, Sm, Eu and Gd) pyrochlore

J Feng, B **ao, CL Wan, ZX Qu, ZC Huang, JC Chen… - Acta Materialia, 2011‏ - Elsevier
The electronic structure, chemical bonding and mechanical properties of Ln2Zr2O7 (Ln= La,
Pr, Nd, Sm, Eu and Gd) pyrochlore are investigated by local-density approximation of spin …

EB-PVD processing of pyrochlore-structured La2Zr2O7-based TBCs

B Saruhan, P Francois, K Fritscher, U Schulz - Surface and Coatings …, 2004‏ - Elsevier
New ceramic thermal barrier coating (TBC) compositions superior to state-of-the-art PYSZ
material are considered to overcome the problems related to phase stability and service …

Unraveling the Principles of Lattice Disorder Degree of Bi2B2O7 (B = Sn, Ti, Zr) Compounds on Activating Gas Phase O2 for Soot Combustion

X Feng, J Xu, X Xu, S Zhang, J Ma, X Fang… - ACS Catalysis, 2021‏ - ACS Publications
With the combination of experimental methods and DFT calculations, the influence of lattice
disorder degree on the catalytic property of Bi2B2O7 compounds with different B-site cations …

Formation enthalpies of rare earth titanate pyrochlores

KB Helean, SV Ushakov, CE Brown, A Navrotsky… - Journal of Solid State …, 2004‏ - Elsevier
High-temperature oxide melt solution calorimetry and Rietveld refinements of powder X-ray
diffraction data were used to investigate the structure (Fd3m; Z= 8) and energetics of a series …

First-principles prediction of disordering tendencies in pyrochlore oxides

C Jiang, CR Stanek, KE Sickafus, BP Uberuaga - Physical Review B …, 2009‏ - APS
Using first-principles calculations, we systematically predict the order-disorder energetics of
series of zirconate (A 2 Zr 2 O 7), hafnate (A 2 Hf 2 O 7), titanate (A 2 Ti 2 O 7), and stannate …

Tuning stoichiometry of high‐entropy oxides for tailorable thermal expansion coefficients and low thermal conductivity

L Xu, L Su, H Wang, H Gao, D Lu… - Journal of the …, 2022‏ - Wiley Online Library
Thermal barrier coating materials with proper thermal expansion coefficient (TEC), low
thermal conductivity, and good high‐temperature stability are of great significance for their …