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Raman spectroscopy and structural transformations in hydrides under pressure.
Umeå University, Faculty of Science and Technology, Physics.
Umeå University, Faculty of Science and Technology, Physics.
2005 (English)In: Proceedings of the Joint 20th AIRAPT and 43rd EHPRG Conf. on High Pressure Science and Technology, Karlsruhe 2005, 2005, T5-P027 p.Conference paper, Published paper (Other academic)
Abstract [en]

We have investigated the structural stability of the hydrides LiAlH4, NaAlH4, and NaBH4 under high pressure at room temperature using Raman spectroscopy. For all compounds studied we observe reversible structural phase transformations under pressure. The Raman results are not always compatible with the structures predicted by earlier theoretical calculations for the high-pressure phases, and further theoretical studies of the stability of NaBH4 under pressure have been carried out.

Place, publisher, year, edition, pages
2005. T5-P027 p.
Keyword [en]
Hydrides, hydrogen storage, vätelagring, LiAlH4, NaAlH4, NaBH, high pressure, Raman spectroscopy, structural calculations, DFT, phase diagram, phase transition, metastability
National Category
Condensed Matter Physics
Identifiers
URN: urn:nbn:se:umu:diva-8912ISBN: 3-923704-49-6. (print)OAI: oai:DiVA.org:umu-8912DiVA: diva2:148583
Available from: 2008-02-21 Created: 2008-02-21Bibliographically approved

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http://www.unipress.waw.pl/airapt/AIRAPT-20/html/proceedings/index.html

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