The electrochemical impact on electrostatic modulation of the metal-insulator transition in nickelates
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- Simon Bubel
- University of California Santa Barbara (UCSB) 1 Materials Research Laboratory (MRL), , California 93106, USA
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- Adam J. Hauser
- University of California Santa Barbara (UCSB) 2 California Nanosystems Institute (CNSI), , California 93106, USA
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- Anne M. Glaudell
- University of California Santa Barbara (UCSB) 1 Materials Research Laboratory (MRL), , California 93106, USA
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- Thomas E. Mates
- University of California Santa Barbara (UCSB) 1 Materials Research Laboratory (MRL), , California 93106, USA
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- Susanne Stemmer
- University of California Santa Barbara (UCSB) 3 Materials Department, , California 93106, USA
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- Michael L. Chabinyc
- University of California Santa Barbara (UCSB) 1 Materials Research Laboratory (MRL), , California 93106, USA
書誌事項
- 公開日
- 2015-03-23
- DOI
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- 10.1063/1.4915269
- 公開者
- AIP Publishing
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説明
<jats:p>For physical studies of correlated electron systems and for realizing novel device concepts, electrostatic modulation of metal-insulator transitions (MITs) is desired. The inherently high charge densities needed to modulate MITs make this difficult to achieve. The high capacitance of ionic liquids are attractive but, voltages are needed that can be in excess of the electrochemical stability of the system. Here, we show temperature/resistivity data that suggest electrostatic modulation of the MIT temperature of NdNiO3 in a wide regime. However, additional voltammetric and x-ray photoelectron spectroscopy measurements demonstrate the electrochemical impact of the electrostatic doping approach with ionic liquids.</jats:p>
収録刊行物
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- Applied Physics Letters
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Applied Physics Letters 106 (12), 2015-03-23
AIP Publishing
