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- Sundqvist, Bertil, et al.
(författare)
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Phase transitions in hydrogen storage compounds under pressure
- 2007
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Ingår i: Journal of Physics Condensed Matter, vol. 19, issue 42. - Bristol : Intitute of Physics. ; , s. 425201-
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Konferensbidrag (refereegranskat)abstract
- Solid, hydrogen-rich compounds, such as alkali metal hydrides, MAH4, where M is an alkali metal and A is boron or aluminium, may be used for hydrogen storage. We briefly review recent high-pressure work in this field aimed at exploring the phase behaviour, and especially the possibility to find highly dense new structures. In particular we present experimental data on the structure, lattice dynamics, phase diagrams, and thermal properties obtained by us and others by Raman scattering, x-ray diffraction, and thermal conductivity measurements under pressure between 100 and 400 K. From these data and the results of theoretical calculations we map observed structural phases and phase transitions in the pressure–temperature plane for the materials that have so far been investigated under pressure.
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