TY - CONF T1 - Electrical properties of the oxygen-deficient perovskites, Ca2Mn2-xNbxO gamma: 0 <= x <= 1.2, with Mn valence varying from+2.0 to+4.0 JO - JOURNAL OF MATERIALS CHEMISTRY PY - 2001/01/01 AU - Kruth A AU - West AR ED - VL - 11 IS - 1 SP - 153 EP - 159 Y2 - 2025/04/12 ER -