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The contact resistance of strontium-doped lanthanum manganite (LSM) contact pairs is investigated by polarisation analysis at different temperatures and atmospheres.The ceramic contacts have a high contact resistance, and strongly nonlinear current–voltage behaviour is observed at low temperatures. The nonlinear behaviour is ascribed to the presence of energy barriers at the contact interface.Generally,...
TiPtAu/p-InGaAsP ohmic contacts for laser devices show nonohmic behaviour which is attributed to damage induced by plasma processes during fabrication. Surface recovering by chemical etching of the top few tenths of a nanometre enables ohmic contacts to be obtained. These results were confirmed using SPICE simulations.<<ETX>>
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