Electric-field-induced insulator-metal transitions in thin films of charge-ordered rare-earth manganates

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Title:	Electric-field-induced insulator-metal transitions in thin films of charge-ordered rare-earth manganates
Authors:	Ponnambalam, V Parashar, Sachin Raju, A R Rao, C N R
Keywords:	Nebulized Spray-Pyrolysis Colossal Magnetoresistance
Issue Date:	11-Jan-1999
Publisher:	American Institute of Physics
Citation:	Applied Physics Letters 74(2), 206-208 (1999)
Abstract:	Thin films of charge-ordered Nd0.5Ca0.5MnO3, Y0.5Ca0.5MnO3, and Nd0.5Sr0.5MnO3 have been prepared on Si(100) and LaAlO3(100) substrates by the nebulized spray pyrolysis of organometallic precursors. Small electric fields induce insulator-metal transitions in the films with the resistivity decreasing with increasing current. The current-voltage characteristics are non-ohmic and show some hysteresis. The current-induced negative differential resistance found in these manganate films could have potential technological applications. (C) 1999 American Institute of Physics. [S0003-6951(99)01402-3].
URI:	https://libjncir.jncasr.ac.in/xmlui/10572/715
Other Identifiers:	0003-6951
Appears in Collections:	Research Papers (Prof. C.N.R. Rao)

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