Re-Evaluating CeO₂ Expansion Upon Reduction: Noncounterpoised Forces, Not Ionic Radius Effects, Are the Cause

Physics & Astronomy

• expansion 49%
• radii 48%
• causes 47%
• cations 39%
• anions 29%
• solid oxide fuel cells 18%
• catalysis 18%
• sublattices 15%
• contraction 15%
• electronic structure 11%
• oxidation 11%
• orbitals 11%
• performance 6%

Engineering & Materials Science

• Cerium oxide 100%
• Vacancies 59%
• Positive ions 32%
• Negative ions 23%
• Electronic structure 12%
• Catalysis 11%
• Oxidation-Reduction 11%
• Doping (additives) 9%
• Discrete Fourier transforms 9%
• Solid oxide fuel cells (SOFC) 9%
• Relaxation 8%
• Oxidation 7%

Chemical Compounds

• Force 53%
• Cation 45%
• Reduction 35%
• Anion 30%
• Orbital 21%
• Electronic State 19%
• Catalysis 16%
• Density Functional Theory 16%
• Modification 14%