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Title: Tuning the metal-insulator crossover and magnetism in SrRuO3 by ionic gating

Journal Article · · Scientific Reports
DOI:https://doi.org/10.1038/srep06604· OSTI ID:1221628
 [1];  [1];  [2];  [1];  [1]
  1. Rutgers Univ., Piscataway, NJ (United States)
  2. Univ. of Minnesota, Minneapolis, MN (United States)

Reversible control of charge transport and magnetic properties without degradation is a key for device applications of transition metal oxides. Chemical doping during the growth of transition metal oxides can result in large changes in physical properties, but in most of the cases irreversibility is an inevitable constraint. We report a reversible control of charge transport, metal-insulator crossover and magnetism in field-effect devices based on ionically gated archetypal oxide system - SrRuO3. In these thin-film devices, the metal-insulator crossover temperature and the onset of magnetoresistance can be continuously and reversibly tuned in the range 90–250 K and 70–100 K, respectively, by application of a small gate voltage. We infer that a reversible diffusion of oxygen ions in the oxide lattice dominates the response of these materials to the gate electric field. These findings provide critical insights into both the understanding of ionically gated oxides and the development of novel applications.

Research Organization:
Rutgers Univ., Piscataway, NJ (United States)
Sponsoring Organization:
USDOE Office of Science (SC), Basic Energy Sciences (BES)
Grant/Contract Number:
SC0005464
OSTI ID:
1221628
Journal Information:
Scientific Reports, Vol. 4; ISSN 2045-2322
Publisher:
Nature Publishing GroupCopyright Statement
Country of Publication:
United States
Language:
English
Citation Metrics:
Cited by: 49 works
Citation information provided by
Web of Science

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Cited By (17)

Intrinsic Charge Transport across Phase Transitions in Hybrid Organo-Inorganic Perovskites journal May 2016
Endeavor of Iontronics: From Fundamentals to Applications of Ion‐Controlled Electronics journal June 2017
Metal Oxide Nanocomposites: A Perspective from Strain, Defect, and Interface journal October 2018
Voltage‐Control of Magnetism in All‐Solid‐State and Solid/Liquid Magnetoelectric Composites journal February 2019
Mechanically Tunable Magnetic Properties of Flexible SrRuO 3 Epitaxial Thin Films on Mica Substrates journal January 2018
A steep-slope transistor based on abrupt electronic phase transition journal August 2015
Reversible manipulation of the magnetic state in SrRuO3 through electric-field controlled proton evolution journal January 2020
Electrolyte-based ionic control of functional oxides journal December 2018
Reversible, Electric-Field Induced Magneto-Ionic Control of Magnetism in Mesoporous Cobalt Ferrite Thin Films journal July 2019
Electrolyte-gated magnetoelectric actuation: Phenomenology, materials, mechanisms, and prospective applications journal March 2019
Correlation between structural phase transition and surface chemical properties of thin film SrRuO 3 /SrTiO 3 (001) journal January 2020
Voltage control of ferromagnetic resonance and spin waves journal September 2018
Wide-voltage-window reversible control of electronic transport in electrolyte-gated epitaxial BaSnO 3 journal July 2019
Ferromagnetism and Conductivity in Atomically Thin SrRuO 3 journal February 2019
Structural, magnetic, electrical, and electrochemical properties of Sr–Co–Ru–O: A hybrid‐capacitor application journal April 2018
Voltage-Control of Magnetism in All-Solid-State and Solid/Liquid Magnetoelectric Composites text January 2019
Emergent electric field control of phase transformation in oxide superlattices text January 2020

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