Please use this identifier to cite or link to this item: http://hdl.handle.net/10261/22300
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Title

Colossal electroresistance without colossal magnetoresistance in La0.9Sr0.1MnO3

AuthorsBiskup, N. CSIC ORCID; Andrés, Alicia de CSIC ORCID; Nemes, N. M. CSIC ORCID CVN; García-Hernández, M. ; Glazyrin, K. V.; Mukovskii, M.
Issue Date31-May-2007
PublisherAmerican Institute of Physics
CitationApplied Physics Letters 90(22): 222502 (2007)
AbstractThe authors report on colossal electroresistance (ER) in the ferromagnetic insulator manganite La0.9Sr0.1MnO3. The single crystal samples exhibit a transition into a low resistive state above a certain threshold current. Pulsed measurements demonstrate that this transition is not a consequence of heating. ER behaves similarly to magnetoresistance (MR) above the orbital order temperature TOO. Below TOO the MR is only 20% while ER enhances the conductivity by several orders of magnitude. Magnetic field and electric current have opposite effects on the conductivity, therefore, it seems that only the injected carriers are able to modify the ordering of eg Mn orbitals.
Description3 pages, 3 figures.
Publisher version (URL)http://dx.doi.org/10.1063/1.2745220
URIhttp://hdl.handle.net/10261/22300
DOI10.1063/1.2745220
ISSN0003-6951
Appears in Collections:(ICMM) Artículos

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