Evolution with time of the magnetic and spectroscopic properties of the BaCuO2+δ phase. Study of Ba1-xSrxCuO2+δ solid solutions

1. Insausti, M.
2. Lezama, L.
3. Cortés, R.
4. Gil de Muro, I.
5. Rojo, T.
6. Arriortua, M.I.