Electroresistance and electronic phase separation in mixed-valent manganites

Publication Type:

Journal Article

Authors:

T. Wu; S.B. Ogale; J.E. Garrison; B. Nagaraj; A. Biswas; Z. Chen; R.L. Greene; Ramamoorthy Ramesh; T. Venkatesan; A.J. Millis

Source:

Physical Review Letters, Volume 86, Number 26 I, p.5998-6001 (2001)

Keywords:

Carrier concentration, Colossal magnetoresistance, Electric fields, Electron traps, Electronic phase separation, Electroresistance, Energy gap, Ferroelectric materials, lanthanum compounds, Lead compounds, Magnetic fields, Mixed-valent manganites, neutron scattering, Single crystals, SODIUM COMPOUNDS, Strontium compounds

Abstract:

Electroresistance (ER) effects were systematically studied for NSMO, LBMO, and 0.5-doped LCMO channels. A large ER was observed in a LCMO channel subjected to E-field through a PZT gate. The magnitudes of the effects observed in NSMO, LBMO, and 0.5-doped LCMO channels are much smaller.

Notes:

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