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Environmental depen...
Environmental dependence of the photochromic effect of oxygen-containing rare-earth metal hydrides
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- Moldarev, Dmitrii (author)
- Uppsala universitet,Materialfysik,Natl Res Nucl Univ MEPhI, Dept Mat Sci, Kashirskoe Shosse 31, Moscow 115409, Russia; Inst Energy Technol, Dept Solar Energy, N-2027 Kjeller, Norway
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- Stolz, Levin (author)
- Uppsala universitet,Institutionen för fysik och astronomi
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- Moro, Marcos V. (author)
- Uppsala universitet,Tillämpad kärnfysik
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- Aðalsteinsson, Sigurbjörn M. (author)
- Uppsala universitet,Institutionen för fysik och astronomi
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- Chioar, Ioan-Augustin (author)
- Uppsala universitet,Materialfysik
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- Karazhanov, Smagul Zh. (author)
- Natl Res Nucl Univ MEPhI, Dept Mat Sci, Kashirskoe Shosse 31, Moscow 115409, Russia; Inst Energy Technol, Dept Solar Energy, N-2027 Kjeller, Norway
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- Primetzhofer, Daniel (author)
- Uppsala universitet,Tillämpad kärnfysik
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- Wolff, Max (author)
- Uppsala universitet,Materialfysik,Natl Res Nucl Univ MEPhI, Dept Mat Sci, Kashirskoe Shosse 31, Moscow 115409, Russia
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(creator_code:org_t)
- American Institute of Physics (AIP), 2021
- 2021
- English.
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In: Journal of Applied Physics. - : American Institute of Physics (AIP). - 0021-8979 .- 1089-7550. ; 129:15
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Abstract
Subject headings
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- We study the dependence of the photochromic effect on environment and triggering light. We demonstrate that the first darkening/bleaching cycle of freshly grown films is accompanied by a release of weakly bound hydrogen, most likely present at the grain boundaries. For consecutive photochromic cycles, we do not find further exchange of material with the environment. Moreover, we report bleaching kinetics dependent on the gas environment after darkening with light of energies below the optical bandgap of the film. For darkening with photon energies above the bandgap of the film, we report a linear relation between the degree of darkening and bleaching relaxation time irrespective of gas environment.
Subject headings
- NATURVETENSKAP -- Fysik -- Den kondenserade materiens fysik (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences -- Condensed Matter Physics (hsv//eng)
Publication and Content Type
- ref (subject category)
- art (subject category)
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