Oxygen Vacancy Ordering in the Defect Pyrochlores Pb2(TiSb)O6.5: A Rietveld Refinement of Neutron Powder Diffraction Data

Key Points

• Oxygen vacancy ordering significantly impacts the electronic properties of Pb2(TiSb)O6.5, revealing complex defect structures.
• Analysis shows a refined structural model achieved through Rietveld refinement of neutron powder diffraction data.
• Application of neutron powder diffraction provides insights into the defect structure of pyrochlores, enhancing our understanding of material characteristics.
• Highlights the need for further studies on defect pyrochlores to comprehend their potential applications and behavior.