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Composition of photochromic oxygen-containing yttrium hydride films
Uppsala University, Disciplinary Domain of Science and Technology, Physics, Department of Physics and Astronomy, Materials Physics. Natl Res Nucl Univ MEPhI, Dept Mat Sci, 31 Kashirskoe Sh, Moscow 115409, Russia.;Inst Energy Technol, Dept Solar Energy, POB 40, NO-2027 Kjeller, Norway.
Uppsala University, Disciplinary Domain of Science and Technology, Physics, Department of Physics and Astronomy, Applied Nuclear Physics.ORCID iD: 0000-0002-5815-3742
Inst Energy Technol, Dept Solar Energy, POB 40, NO-2027 Kjeller, Norway..
Inst Energy Technol, Dept Solar Energy, POB 40, NO-2027 Kjeller, Norway..
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2018 (English)In: Solar Energy Materials and Solar Cells, ISSN 0927-0248, E-ISSN 1879-3398, Vol. 177, p. 66-69Article in journal (Refereed) Published
Abstract [en]

In this work, the composition of oxygen-containing yttrium hydride (YHO) thin films was investigated. The films were prepared by reactive sputter deposition, and were found for have oxygen contents on the order of several tens of per cents. We present depth-resolved atomic composition profiles of photochromic YHO films to study the connection between composition, photochromic properties and growth parameters. Two films, deposited at different pressures, were prepared and characterized using ion beam analysis techniques, i.e. Rutherford backscattering spectrometry and elastic recoil detection analysis. We found that an increase of deposition pressure results in larger [O]/[Y] ratios, while the ratio [H]/[Y] becomes reduced. We also report a gradual oxidation of the films exposed to air as well as hydrogen release under ion bombardment.

Place, publisher, year, edition, pages
ELSEVIER SCIENCE BV , 2018. Vol. 177, p. 66-69
Keywords [en]
O-containing yttrium hydride, Photochromism, Magnetron sputtering, Ion beam analysis techniques, Composition analysis
National Category
Condensed Matter Physics
Identifiers
URN: urn:nbn:se:uu:diva-350729DOI: 10.1016/j.solmat.2017.05.052ISI: 000427337500010OAI: oai:DiVA.org:uu-350729DiVA, id: diva2:1206164
Conference
12th International Meeting on Electrochromism (IME), AUG 28-SEP 01, 2016, Delft, NETHERLANDS
Available from: 2018-05-16 Created: 2018-05-16 Last updated: 2018-05-16Bibliographically approved

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Moldarev, DmitriiPrimetzhofer, DanielWolff, Max

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