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Electrical and Optical Properties of VO2 Polymorphic Films Grown Epitaxially on Y-Stabilized ZrO2

Title
Electrical and Optical Properties of VO2 Polymorphic Films Grown Epitaxially on Y-Stabilized ZrO2
Authors
Choi, Song HeeChang, Sung JinOh, Jun HyeobJang, Jae HyuckLee, Shin Buhm
DGIST Authors
Lee, Shin Buhm
Issue Date
2018-06
Citation
Advanced Electronic Materials, 4(6), 1700620
Type
Article
Article Type
Article
Keywords
Cost effectivenessCrystal structureElectric conductivityEpitaxial filmsEpitaxial growthMetal insulator boundariesMetal insulator transitionOptical conductivityOptical filmsSemiconductor insulator boundariesStrontium titanatesYttria stabilized zirconiaZirconiaCost effectiveElectrical and optical propertiesEnergy applicationsEpitaxially grownPhysical and chemical propertiesStructure dependentThree orders of magnitudeVanadium dioxide
ISSN
2199-160X
Abstract
Vanadium dioxide (VO2) polymorphs have many interesting physical and chemical properties that are crystal-structure dependent. It is reported that polymorphic (010)VO2(M1), (100)VO2(A), and (100)VO2(B) can be epitaxially grown on (001)-, (011)-, and (111)-oriented Y-stabilized ZrO2 (YSZ), respectively. While VO2(M1) shows a typical metal-insulator transition near 68 °C, and VO2(B) exhibits insulating behavior, the resistivity of VO2(A) is lower by three orders of magnitude than that of (100)VO2(A) epitaxial films previously grown on (011)SrTiO3. Ellipsometry reveals that the bandgap of VO2(A) also decreases. Each VO2 polymorphic film grown on cost-effective YSZ will be of great interest for numerous electronic and energy applications. © 2018 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.
URI
http://hdl.handle.net/20.500.11750/6384
DOI
10.1002/aelm.201700620
Publisher
Blackwell Publishing Ltd
Related Researcher
  • Author Lee, Shinbuhm shinbuhmlee Lab
  • Research Interests Multifunctional films; Experimental condensed matter physics
Files:
There are no files associated with this item.
Collection:
Department of Emerging Materials Scienceshinbuhmlee Lab1. Journal Articles


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