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Papers by Author: H. Ullmann

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The Sr-Ce-O System: Ionic and Mixed Conduction

Authors: H. Ullmann, K. Teske

107

Microstructure - Property Relatins of Thoria-Yttria Solid Electrolytes II. Oxygen Exchange Capacity and Microstructure

Authors: H.J. Lang, K. Teske, H. Ullmann

119

Technological Conditions as a Determining Factor for Properties of ThO₂ - YO_1.5 Ceramics

Authors: H. Hanic, K. Kosová, M. Hartmanová, H. Ullmann

25

Structure and Electrical Conductivity of Partially-Stabilized ZrO₂ - MgO Ceramics

Authors: M. Hartmanová, František Hanic, K. Kosová, W. Richter, H. Zitzmann, H. Ullmann

29