Strain effects on point defects and chain-oxygen order-disorder transition in 123 cuprate compounds

• Main Authors: Su, Haibin, Welch, David O., Wong-Ng, Winnie
• Other Authors: School of Materials Science & Engineering
• Format: Article
• Language: English
• Published: 2011
• Subjects: DRNTU::Engineering::Materials::Magnetic materials
• Online Access: https://hdl.handle.net/10356/79548; http://hdl.handle.net/10220/6931
• Institution: Nanyang Technological University

The energetics of Schottky defects in 123 cuprate superconductor series RBa2Cu3O7 (where R =lanthandies) and YA2Cu3O7 (A=alkali earths), were found to have unusual relations if one considers only the volumetric strain. Our calculations reveal the effect of nonuniform ch...