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Montero, J. and Martinsen, F. A. and García Tecedor, M. and Karazhanov, S Zh. and Maestre Varea, David and Hauback, B. and Marstein, E. S. (2017) Photochromic mechanism in oxygen-containing yttrium hydride thin films: An optical perspective. Physical review B, 95 (20). ISSN 2469-9950
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Official URL: http://dx.doi.org/10.1103/PhysRevB.95.201301
Abstract
Oxygen-containing yttrium hydride thin films exhibit photochromic behavior: Transparent thin films reversibly switch from a transparent state to a photodarkened state after being illuminated with UV or blue light. From optical spectrophotometry and ellipsometry measurements of the transparent state and photodarkened state, it is concluded that the photochromic effect can be explained by the gradual growth, under illumination, of metallic domains within the initial wide-band-gap semiconducting lattice. This conclusion is supported by Raman measurements.
Item Type: | Article |
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Additional Information: | ©2017 American Physical Society. |
Uncontrolled Keywords: | Physics, Condensed matter |
Subjects: | Sciences > Physics > Materials Sciences > Physics > Solid state physics |
ID Code: | 44471 |
Deposited On: | 07 Sep 2017 18:32 |
Last Modified: | 04 Jul 2018 18:15 |
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