Low-temperature phase transformation in NaBH4 under pressure
2006 (English)In: Physical Review B, ISSN 1098-0121, Vol. 73, no 9, 092102- p.Article in journal (Refereed) Published
The pressure-temperature structural phase diagram of NaBH4 has been mapped by thermal conductivity
measurements below room temperature and up to 2 GPa. The critical transition temperature for the transformation
from the low-temperature tetragonal structure to the room temperature cubic one increases from near
190 K at zero pressure to about 235 K at 2 GPa. The thermal conductivity data are consistent with the
order-disorder character of the transition.
Place, publisher, year, edition, pages
2006. Vol. 73, no 9, 092102- p.
Hydride, hydrogen storage, NaBH4, high pressure, phase diagram, phase transition, orientational ordering transition, thermal conductivity, tetragonal, cubic, order-disorder
Condensed Matter Physics
IdentifiersURN: urn:nbn:se:umu:diva-12318DOI: doi:10.1103/PhysRevB.73.092102OAI: oai:DiVA.org:umu-12318DiVA: diva2:151989