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Strelcov E, Davydov AV, Lanke U, et al. In situ monitoring of the growth, intermediate phase transformations and templating of single crystal VO2 nanowires and nanoplatelets. ACS Nano. 2011;5(4):3373-84doi: 10.1021/nn2007089.
Strelcov, E., Davydov, A. V., Lanke, U., Watts, C., & Kolmakov, A. (2011). In situ monitoring of the growth, intermediate phase transformations and templating of single crystal VO2 nanowires and nanoplatelets. ACS nano, 5(4), 3373-84. https://doi.org/10.1021/nn2007089
Strelcov, Evgheni, et al. "In situ monitoring of the growth, intermediate phase transformations and templating of single crystal VO2 nanowires and nanoplatelets." ACS nano vol. 5,4 (2011): 3373-84. doi: https://doi.org/10.1021/nn2007089
Strelcov E, Davydov AV, Lanke U, Watts C, Kolmakov A. In situ monitoring of the growth, intermediate phase transformations and templating of single crystal VO2 nanowires and nanoplatelets. ACS Nano. 2011 Apr 26;5(4):3373-84. doi: 10.1021/nn2007089. Epub 2011 Mar 29. PMID: 21428376.
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ACS Nano. 2011 Apr 26;5(4):3373-84. doi: 10.1021/nn2007089. Epub 2011 Mar 29.

In situ monitoring of the growth, intermediate phase transformations and templating of single crystal VO2 nanowires and nanoplatelets.

ACS nano

Evgheni Strelcov, Albert V Davydov, Uday Lanke, Clay Watts, Andrei Kolmakov

Affiliations

  1. Department of Physics, Southern Illinois University at Carbondale, Illinois 62901-4401, USA.

PMID: 21428376 DOI: 10.1021/nn2007089

Abstract

Direct in situ optical and photoelectron emission microscopy observations of the nucleation and growth of VO(2) meso- and nanostructures using thermal transport of V(2)O(5) precursor in a vacuum or in an inert-gas environment were conducted. During nanostructure reductive growth, the formation, coexistence, and transformation of the intermediate oxide phases and morphologies were observed and characterized structurally and compositionally. The composition, structure, and morphology of the resultant nanostructures appeared to be a product of the interplay between kinetic and thermodynamic factors during multiple phase transformations. By rationally "navigating" the growth parameters using knowledge of the vanadium-oxygen temperature-composition phase diagram, wetting behavior, and epitaxial relationships of the intermediate phases with the substrate, control over growth direction, faceting, shape, and elastic strain of the nanostructures can be achieved. Such versatile control over the properties of single-crystal VO(2) nano- and mesostructures will facilitate their application in MEMS, sensors, and optoelectronics.

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