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  1. No Access

    Article

    Oxygen Transport in the SOFC Cathode

    The impedance of the La0.75Sr0.2MnO3-cathode/electrolyte interface for cathodes with different porosity is measured. The impedance spectra are fitted using a developed model of the oxygen transport at this interf...

    M. Kuznecov, P. Otschik, N. Trofimenko, K. Eichler in Russian Journal of Electrochemistry (2004)

  2. No Access

    Article

    The reaction between ruthenium dioxide and aluminium nitride in resistor pastes

    Thermodynamic considerations predict that RuO2 used in resistor pastes for AIN as conductive phase, can be reduced by AIN. In air RuO2 reacts with AIN only to a very small extent. In the presence of a “non-reduci...

    C. Kretzschmar, P. Otschik, K. Jaenicke-Rößler, D. Schläfer in Journal of Materials Science (1993)

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    Article

    Sound wave amplification in superconductors

    The possibility of generating an occupation inversion n(E) >1/2 in a nonequilibrium superconducting state by tunnel injection is discussed. By investigating the combined densities of states of the processes invol...

    P. Otschik, H. Eschrig, F. Lange in Journal of Low Temperature Physics (1981)