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Proton Dynamics in ...
Proton Dynamics in Hydrated BaZr0.9M0.1O2.95 (M = Y and Sc) Investigated with Neutron Spin-Echo
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- Noferini, Daria, 1983 (author)
- Chalmers tekniska högskola,Chalmers University of Technology
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- Koza, M. (author)
- Institut Laue-Langevin
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- Fouquet, P. (author)
- Institut Laue-Langevin
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- Nilsen, G. J. (author)
- Institut Laue-Langevin
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- Kemei, M. C. (author)
- University of California
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- Rahman, Seikh Mohammad Habibur, 1976 (author)
- Chalmers tekniska högskola,Chalmers University of Technology
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- Maccarini, M. (author)
- Institut Laue-Langevin
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- Eriksson, Sten, 1958 (author)
- Chalmers tekniska högskola,Chalmers University of Technology
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- Karlsson, Maths, 1978 (author)
- Chalmers tekniska högskola,Chalmers University of Technology
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(creator_code:org_t)
- 2016-06-24
- 2016
- English.
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In: Journal of Physical Chemistry C. - : American Chemical Society (ACS). - 1932-7447 .- 1932-7455. ; 120:26, s. 13963-13969
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http://dx.doi.org/10...
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Abstract
Subject headings
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- Hydrated samples of the two proton conducting perovskites BaZr0.9M0.1O2.95 (M = Y and Sc) were investigated using neutron spin echo spectroscopy together with thermal gravimetric measurements, polarized neutron diffraction, and infrared spectroscopy, with the aim to determine how the atomic scale proton dynamics depend on temperature, and type of dopant atom, M. The results show the presence of pronounced localized proton motions for temperatures above ca. 300 K, characterized by relaxation times on the order of picoseconds to nanoseconds and governed by a wide distribution of activation energies due to a heterogeneous distribution of proton sites present, with no strong dependence on the type of dopant atom.
Subject headings
- NATURVETENSKAP -- Fysik -- Den kondenserade materiens fysik (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences -- Condensed Matter Physics (hsv//eng)
Publication and Content Type
- art (subject category)
- ref (subject category)
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- By the author/editor
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Noferini, Daria, ...
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Koza, M.
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Fouquet, P.
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Nilsen, G. J.
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Kemei, M. C.
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Rahman, Seikh Mo ...
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show more...
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Maccarini, M.
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Eriksson, Sten, ...
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Karlsson, Maths, ...
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show less...
- About the subject
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- NATURAL SCIENCES
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NATURAL SCIENCES
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and Physical Science ...
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and Condensed Matter ...
- Articles in the publication
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Journal of Physi ...
- By the university
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Chalmers University of Technology