Values of the positron lifetime have previously been observed to change with temperature below Tc in high Tc superconducting oxides. We report new measurements on Ba.6K.4BiO3 and Nd1.85Ce.15CuO4.
All Science Journal Classification (ASJC) codes
- Electronic, Optical and Magnetic Materials
- Condensed Matter Physics
- Energy Engineering and Power Technology
- Electrical and Electronic Engineering