Isotope Effects of Electromigration in Molten Lithium-Potassium Sulfate Mixtures
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چکیده
grenzen gedacht werden. An der Reinphase des EuO sowie an dem mit 3 % EU2O3 vermischten Monoxid wurde die Aktivierungsenergie im Bereich 300 °C bis 200 °C bestimmt und in Tab. 3 zusammengestellt. Man erkennt hieraus, daß die durch Chemisorption der Donatoren CO" hervorgerufene Verarmung der Randschicht an Ladungsträgern mit einer Zunahme der Aktivierungsenergie verbunden ist. Deshalb muß angenommen werden, daß die Werte der Aktivierungsenergie — besonders bei hohen CO-Drukken — vorwiegend die energetischen Verhältnisse in der Randschicht der Kristallite des EuO widerspiegeln. Der Wert, der dem homogenen Kristallinneren am nächsten kommt, dürfte bei der Messung unter p(CO) = 5 Torr gefunden werden.
منابع مشابه
The Temperature Dependence of the Isotope Effect for Electromigration of Potassium Ions in Molten Potassium Nitrate
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