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- Sundqvist, Bertil, et al.
(författare)
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Low-temperature phase transformation in NaBH4 under pressure
- 2006
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Ingår i: Physical Review B. - 1098-0121. ; 73:9, s. 092102-
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Tidskriftsartikel (refereegranskat)abstract
- The pressure-temperature structural phase diagram of NaBH4 has been mapped by thermal conductivitymeasurements below room temperature and up to 2 GPa. The critical transition temperature for the transformationfrom the low-temperature tetragonal structure to the room temperature cubic one increases from near190 K at zero pressure to about 235 K at 2 GPa. The thermal conductivity data are consistent with theorder-disorder character of the transition.
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