MACROSTRUCTURE OF HIGH T_//c_OXIDE SUPERCONDUCTORS.

Engineering & Materials Science

• Oxide superconductors 89%
• Superconducting materials 58%
• Rare earths 54%
• Microscopes 42%
• Sintering 42%
• Microstructure 29%

Chemical Compounds

• Superconductor 100%
• Tetragonal Space Group 39%
• Sintering 36%
• Lanthanoid Atom 33%
• Microstructure 29%
• Oxide 24%

Physics & Astronomy

• optical microscopes 30%
• rare earth elements 25%
• sintering 22%
• oxides 18%
• microstructure 17%