Please use this identifier to cite or link to this item: http://lib.jncasr.ac.in:8080/jspui/handle/10572/715
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: http://hdl.handle.net/10572/715
Other Identifiers: 0003-6951
Appears in Collections:Research Papers (Prof. C.N.R. Rao)

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