Variable-temperature infrared spectra of VO2 |
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| Affiliation: | 1. Centre for Plasma and Laser Engineering, The Szewalski Institute of Fluid-Flow Machinery, Polish Academy of Sciences, 14 Fiszera St., 80-231 Gdańsk, Poland;2. Department of Chemistry and Technology of Functional Materials, Chemical Faculty, Gdańsk University of Technology, 11/12 Narutowicza St., Gdańsk 80-233, Poland;3. Faculty of Applied Physics and Mathematics, Gdańsk University of Technology, 11/12 Narutowicza Str., 80-233 Gdańsk, Poland;4. Department of Electrochemistry, Corrosion and Materials Engineering, Chemical Faculty, Gdańsk University of Technology, 11/12 Narutowicza Str., 80-233 Gdańsk, Poland |
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| Abstract: | The infrared spectra of VO2 powder in KBr from 1300 to 400 cm−1 during heating and cooling through the metal-insulator transition are reported. In the high-temperature metallic region, the spectra are nearly featureless, while below the transition temperature well-developed vibrational bands are observed. The spectra at room temperature before and after heating are superimposable, a result consistent with the reversibility of the metal-insulator transition. |
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