Behavioural Study Of SmF3 Thin Films Due To AC And DC Voltages

Author(s): M.V.Ramana Reddy and Katta Narasimha Reddy

Samarium fluoride thin films were prepared by vacuum thermal evaporation using tantalum boats. Film thickness was measured by Tolansky’s multiple beam interferometric method. The effect of DC voltage on capacitance and loss tangent was studied. The time dependent decay characteristic of the capacitor at a given DC voltage also studied. The effect of AC voltage and temperature (77K to above room – temperature) on capacitance and loss tangent were also studied and the results were discussed.  2006 Trade Science Inc. - INDIA

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