TY - CPAPER KW - Thin films KW - Spectroscopy KW - Oxygen KW - Lanthanum compounds KW - Strontium KW - Doping (additives) KW - Point defects KW - Positrons KW - Defect structure KW - Oxygen vacancy related defects KW - Positron annihilation spectroscopy AU - T Friessnegg AU - B Nielsen AU - V.J Ghosh AU - A.R Moodenbaugh AU - S Madhukar AU - S Aggarwal AU - D.J Keeble AU - E.H Poindexter AU - P Mascher AU - Ramamoorthy Ramesh AB - Vacancy type defects in bulk La1-xSrxCoO3-δ samples were investigated by positron lifetime spectroscopy. The effects of Sr-doping as well as the effect of oxygen deficiency were determined. Comparing the resolved lifetimes with calculated values permits defect identification. © 1999 Materials Research Society. BT - Proceedings of the Materials Research Society Symposium - LA - eng N1 - cited By 2 N2 - Vacancy type defects in bulk La1-xSrxCoO3-δ samples were investigated by positron lifetime spectroscopy. The effects of Sr-doping as well as the effect of oxygen deficiency were determined. Comparing the resolved lifetimes with calculated values permits defect identification. © 1999 Materials Research Society. PY - 1999 SP - 161 EP - 165 T2 - Proceedings of the Materials Research Society Symposium - T3 - Materials Research Society Symposium - TI - Defect identification in (La, Sr)CoO3-δ using positron annihilation spectroscopy VL - 541 SN - 02729172 ER -