Insulator to metal transition in WO3 induced by electrolyte gating

Electrolyte gating: Hydrogenation mechanism in WO3 The mechanism leading to large carrier density changes and even concomitant electronic phase transitions with electrolyte gating is under debate. An international team led by Ivan Božović at USA’s Brookhaven National Laboratory and Yale University r...

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Autores principales:	X. Leng, J. Pereiro, J. Strle, G. Dubuis, A. T. Bollinger, A. Gozar, J. Wu, N. Litombe, C. Panagopoulos, D. Pavuna, I. Božović
Formato:	article
Lenguaje:	EN
Publicado:	Nature Portfolio 2017
Materias:	Materials of engineering and construction. Mechanics of materials TA401-492 Atomic physics. Constitution and properties of matter QC170-197
Acceso en línea:	https://doaj.org/article/4b95f38d802c4bf39499e86f2dc9b19d
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spelling	oai:doaj.org-article:4b95f38d802c4bf39499e86f2dc9b19d2021-12-02T16:05:45ZInsulator to metal transition in WO3 induced by electrolyte gating10.1038/s41535-017-0039-22397-4648https://doaj.org/article/4b95f38d802c4bf39499e86f2dc9b19d2017-07-01T00:00:00Zhttps://doi.org/10.1038/s41535-017-0039-2https://doaj.org/toc/2397-4648Electrolyte gating: Hydrogenation mechanism in WO3 The mechanism leading to large carrier density changes and even concomitant electronic phase transitions with electrolyte gating is under debate. An international team led by Ivan Božović at USA’s Brookhaven National Laboratory and Yale University report a series of experiments based on WO3 films, which is found to exhibit an insultator-to-metal transition under gating, with both ionic liquids and polymer electrolytes. The experimental results allow to rule out some mechanisms—such as charge accumulation near the interface or oxygen vacancy formation—previously suggested in other material systems. Instead, the authors propose that the primary effect of electrolyte gating in WO3 is hydrogen intercalation. Hydrogenation leads to the formation of a dense polaronic gas that explains the conductive ground state. The doping mechanism behind electrolyte gating seems to be material dependent.X. LengJ. PereiroJ. StrleG. DubuisA. T. BollingerA. GozarJ. WuN. LitombeC. PanagopoulosD. PavunaI. BožovićNature PortfolioarticleMaterials of engineering and construction. Mechanics of materialsTA401-492Atomic physics. Constitution and properties of matterQC170-197ENnpj Quantum Materials, Vol 2, Iss 1, Pp 1-7 (2017)
institution	DOAJ
collection	DOAJ
language	EN
topic	Materials of engineering and construction. Mechanics of materials TA401-492 Atomic physics. Constitution and properties of matter QC170-197
spellingShingle	Materials of engineering and construction. Mechanics of materials TA401-492 Atomic physics. Constitution and properties of matter QC170-197 X. Leng J. Pereiro J. Strle G. Dubuis A. T. Bollinger A. Gozar J. Wu N. Litombe C. Panagopoulos D. Pavuna I. Božović Insulator to metal transition in WO3 induced by electrolyte gating
description	Electrolyte gating: Hydrogenation mechanism in WO3 The mechanism leading to large carrier density changes and even concomitant electronic phase transitions with electrolyte gating is under debate. An international team led by Ivan Božović at USA’s Brookhaven National Laboratory and Yale University report a series of experiments based on WO3 films, which is found to exhibit an insultator-to-metal transition under gating, with both ionic liquids and polymer electrolytes. The experimental results allow to rule out some mechanisms—such as charge accumulation near the interface or oxygen vacancy formation—previously suggested in other material systems. Instead, the authors propose that the primary effect of electrolyte gating in WO3 is hydrogen intercalation. Hydrogenation leads to the formation of a dense polaronic gas that explains the conductive ground state. The doping mechanism behind electrolyte gating seems to be material dependent.
format	article
author	X. Leng J. Pereiro J. Strle G. Dubuis A. T. Bollinger A. Gozar J. Wu N. Litombe C. Panagopoulos D. Pavuna I. Božović
author_facet	X. Leng J. Pereiro J. Strle G. Dubuis A. T. Bollinger A. Gozar J. Wu N. Litombe C. Panagopoulos D. Pavuna I. Božović
author_sort	X. Leng
title	Insulator to metal transition in WO3 induced by electrolyte gating
title_short	Insulator to metal transition in WO3 induced by electrolyte gating
title_full	Insulator to metal transition in WO3 induced by electrolyte gating
title_fullStr	Insulator to metal transition in WO3 induced by electrolyte gating
title_full_unstemmed	Insulator to metal transition in WO3 induced by electrolyte gating
title_sort	insulator to metal transition in wo3 induced by electrolyte gating
publisher	Nature Portfolio
publishDate	2017
url	https://doaj.org/article/4b95f38d802c4bf39499e86f2dc9b19d
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Insulator to metal transition in WO3 induced by electrolyte gating

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