Synthesis and ionic liquid gating of hexagonal WO3 thin films

Autor:	Kazuyasu Tokiwa, Phillip M. Wu, Ko Munakata, R. H. Hammond, M. R. Beasley, Satoshi Ishii, T. H. Geballe, Kenji Tanabe
Rok vydání:	2015
Předmět:	Superconductivity Tungsten Compounds Materials science Physics and Astronomy (miscellaneous) Inorganic chemistry Hexagonal phase Gating chemistry.chemical_compound chemistry Chemical engineering Electrical resistivity and conductivity Ionic liquid Deposition (phase transition) Thin film
Zdroj:	Applied Physics Letters. 106:042602
ISSN:	1077-3118 0003-6951
DOI:	10.1063/1.4906610
Popis:	Via thin film deposition techniques, the meta-stable in bulk crystal hexagonal phase of tungsten oxide (hex-WO3) is stabilized as a thin film. The hex-WO3 structure is potentially promising for numerous applications and is related to the structure for superconducting compounds found in WO3. Utilizing ionic liquid gating, carriers were electrostatically induced in the films and an insulator-to-metal transition is observed. These results show that ionic liquid gating is a viable technique to alter the electrical transport properties of WO3.
Databáze:	OpenAIRE
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