Local structure and valence states in PbBaSrY_1-xCa_xCu₃O_7+δ and Pb₂Sr₂Y_1-xCa_xCu₃O_8+δ

Physics & Astronomy

• valence 83%
• oxygen 68%
• pyramids 42%
• retaining 41%
• fine structure 31%
• substitutes 30%
• shift 22%
• x rays 17%
• energy 11%

Chemical Compounds

• Valence 100%
• Pyramidal Crystal 64%
• Substitution Reaction 35%
• X-Ray 34%
• Energy 26%

Engineering & Materials Science

• Oxygen 91%
• X ray absorption 66%
• Substitution reactions 37%