Citation: H. Ullmann et N. Trofimenko, Estimation of effective ionic radii in highly defective perovskite-type oxides from experimental data, J ALLOY COM, 316(1-2), 2001, pp. 153-158
Citation: Ne. Trofimenko et H. Ullmann, Oxygen stoichiometry and mixed ionic-electronic conductivity of Sr1-aCeaFe1-bCobO3-x perovskite-type oxides, J EUR CERAM, 20(9), 2000, pp. 1241-1250
Authors:
Ullmann, H
Trofimenko, N
Tietz, F
Stover, D
Ahmad-Khanlou, A
Citation: H. Ullmann et al., Correlation between thermal expansion and oxide ion transport in mixed conducting perovskite-type oxides for SOFC cathodes, SOL ST ION, 138(1-2), 2000, pp. 79-90
Authors:
Vashook, VV
Ullmann, H
Olshevskaya, OP
Kulik, VP
Lukashevich, VE
Kokhanovskij, LV
Citation: Vv. Vashook et al., Composition and electrical conductivity of some cobaltates of the type La2-xSrxCoO4.5-x/2 +/-delta, SOL ST ION, 138(1-2), 2000, pp. 99-104
Authors:
Teske, K
Al Daroukh, M
Langbein, H
Ullmann, H
Citation: K. Teske et al., Temperature dependence of electrical conductivity of oxides with a range of stoichiometry under isostoichiometric conditions, SOL ST ION, 133(1-2), 2000, pp. 121-128
Authors:
Vashook, VV
Trofimenko, NE
Ullmann, H
Makhnach, LV
Citation: Vv. Vashook et al., Oxygen nonstoichiometry and some transport properties of LaSrNiO4-delta nickelate, SOL ST ION, 131(3-4), 2000, pp. 329-336
Authors:
Ullmann, H
Trofimenko, N
Naoumidis, A
Stover, D
Citation: H. Ullmann et al., Ionic/electronic mixed conduction relations in perovskite-type oxides by defect structure, J EUR CERAM, 19(6-7), 1999, pp. 791-796