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Condensed Matter > Materials Science

arXiv:1101.3538 (cond-mat)
[Submitted on 18 Jan 2011]

Title:Metal-insulator transition and electrically-driven memristive characteristics of SmNiO3 thin films

Authors:Sieu D. Ha, Gulgun H. Aydogdu, Shriram Ramanathan
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Abstract:The correlated oxide SmNiO3 (SNO) exhibits an insulator to metal transition (MIT) at 130 °C in bulk form. We report on synthesis and electron transport in SNO films deposited on LaAlO3 (LAO) and Si single crystals. X-ray diffraction studies show that compressively strained single-phase SNO grows epitaxially on LAO while on Si, mixed oxide phases are observed. MIT is observed in resistance-temperature measurements in films grown on both substrates, with charge transport in-plane for LAO/SNO films and out-of-plane for Si/SNO films. Electrically-driven memristive behavior is realized in LAO/SNO films, suggesting that SNO may be relevant for neuromorphic devices.
Subjects: Materials Science (cond-mat.mtrl-sci); Strongly Correlated Electrons (cond-mat.str-el)
Cite as: arXiv:1101.3538 [cond-mat.mtrl-sci]
  (or arXiv:1101.3538v1 [cond-mat.mtrl-sci] for this version)
  https://doi.org/10.48550/arXiv.1101.3538
Related DOI: https://doi.org/10.1063/1.3536486

Submission history

From: Sieu Ha [view email]
[v1] Tue, 18 Jan 2011 20:14:09 UTC (160 KB)
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