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The Debye-Waller fa...
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Caponi, S.Universita degli Studi di Trento,University of Trento,Universita degli Studi di Roma la Sapienza,Sapienza University of Rome
(författare)
The Debye-Waller factor approaching the glass-transition temperature in phosphate glasses
- Artikel/kapitelEngelska2006
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Nummerbeteckningar
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LIBRIS-ID:oai:research.chalmers.se:52db43dd-9e7c-4a6a-ab3d-6e89d80582bf
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https://doi.org/10.1016/j.jnoncrysol.2006.01.118DOI
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https://research.chalmers.se/publication/25144URI
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https://research.chalmers.se/publication/508556URI
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Språk:engelska
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Sammanfattning på:engelska
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Ämneskategori:art swepub-publicationtype
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Ämneskategori:ref swepub-contenttype
Anmärkningar
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The temperature dependence of the mean square displacement, 〈u2〉, calculated by elastic neutron scattering for two phosphate glasses, (AgI)x(AgPO3)1-x with x = 0.3, 0.55, is analysed. The studied samples are probed in a wide range of temperatures going from a few tens of K up to the glass transition temperature and well into the undercooled liquid state. In the low temperature regime a solid like behaviour appears, showing a linear temperature dependence of the Debye-Waller factor, while around Tg the onset of a pronounced increase of 〈u2〉 is observed. The temperature dependence of the normalized elastic intensity and the drawn out Debye-Waller factor are fitted and analyzed by the theoretical previsions of Mode Coupling Theory finding a good agreement. © 2006 Elsevier B.V. All rights reserved.
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Biuppslag (personer, institutioner, konferenser, titlar ...)
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Fontana, A.Universita degli Studi di Trento,University of Trento,Universita degli Studi di Roma la Sapienza,Sapienza University of Rome
(författare)
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Fabiani, E.Institut Laue-Langevin
(författare)
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González, M. A.Institut Laue-Langevin
(författare)
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Börjesson, Lars,1957Chalmers tekniska högskola,Chalmers University of Technology(Swepub:cth)lborje
(författare)
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Matic, Aleksandar,1968Chalmers tekniska högskola,Chalmers University of Technology(Swepub:cth)matic
(författare)
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Armellini, C.
(författare)
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Universita degli Studi di TrentoUniversita degli Studi di Roma la Sapienza
(creator_code:org_t)
Sammanhörande titlar
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Ingår i:Journal of Non-Crystalline Solids: Elsevier BV352:42-49 SPEC. ISS., s. 4577-45820022-3093
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