Hydrogen-doping Stabilized Metallic VO2 (R) Thin Films and their Application to Suppress Fabry-Perot Resonances in the Terahertz Regime
dc.contributor.author | Zhao, Yong | |
dc.contributor.author | Karaoglan-Bebek, Gulten | |
dc.contributor.author | Pan, Xuan | |
dc.contributor.author | Holtz, Mark | |
dc.contributor.author | Bernussi, Ayrton | |
dc.contributor.author | Fan, Zhaoyang | |
dc.date.accessioned | 2019-05-20T20:03:22Z | |
dc.date.available | 2019-05-20T20:03:22Z | |
dc.date.issued | 2014-06-16 | |
dc.description.abstract | We demonstrate that catalyst-assisted hydrogen spillover doping of VO2 thin films significantly alters the metal-insulator transition characteristics and stabilizes the metallic rutile phase at room temperature. With hydrogen inserted into the VO2 lattice, high resolution X-ray diffraction reveals expansion of the V-V chain separation when compared to the VO2(R) phase. The donated free electrons, possibly from O-H bond formation, stabilize the VO2(R) to low temperatures. By controlling the amount of dopants to obtain mixed insulating and metallic phases, VO2 resistivity can be continuously tuned until a critical condition is achieved that suppresses Fabry-Perot resonances. Our results demonstrate that hydrogen spillover is an effective technique to tune the electrical and optical properties of VO2 thin films. | |
dc.description.department | Physics | |
dc.format | Text | |
dc.format.extent | 5 pages | |
dc.format.medium | 1 file (.pdf) | |
dc.identifier.citation | Zhao, Y., Karaoglan-Bebek, G., Pan, X., Holtz, M., Bernussi, A. A., & Fan, Z. (2014). Hydrogen-doping stabilized metallic VO2 (R) thin films and their application to suppress Fabry-Perot resonances in the terahertz regime. Applied Physics Letters, 104(24). | |
dc.identifier.doi | http://dx.doi.org/10.1063/1.4884077 | |
dc.identifier.uri | https://hdl.handle.net/10877/8202 | |
dc.language.iso | en | |
dc.publisher | American Institute of Physics | |
dc.source | Applied Physics Letters, 2014, Vol. 104, No. 24. | |
dc.subject | electrooptical effects | |
dc.subject | thin films | |
dc.subject | chemical bonding | |
dc.subject | transition metal oxides | |
dc.subject | chemical elements | |
dc.subject | phase transitions | |
dc.subject | optical resonators | |
dc.subject | Physics | |
dc.title | Hydrogen-doping Stabilized Metallic VO2 (R) Thin Films and their Application to Suppress Fabry-Perot Resonances in the Terahertz Regime | |
dc.type | Article |
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