2024-03-29T04:46:01Zhttp://digital.csic.es/dspace-oai/requestoai:digital.csic.es:10261/1286982016-02-18T03:39:18Zcom_10261_31com_10261_3col_10261_284
DIGITAL.CSIC
author
Morón, M. Carmen
author
Bulou, A.
author
Piqué, C.
author
Fourquet, J. L.
funder
Centre National de la Recherche Scientifique (France)
funder
North Atlantic Treaty Organization
2016-02-04T11:58:47Z
2016-02-04T11:58:47Z
1990
Journal of Physics: Condensed Matter 2(42): 8269-8275 (1990)
http://hdl.handle.net/10261/128698
http://dx.doi.org/10.13039/100004415http://dx.doi.org/10.13039/501100004794
A re-investigation of the room temperature phase of RbFeF4 by single crystal and powder X-ray diffraction is presented. Using a Rietveld method for refinements, the space group is shown to be orthorhombic D2h11-Pmab instead of D23-P21212 as proposed in the most recent work. As a result, the space group of the room temperature phase (phase IV) is not a subgroup of the space groups of the high temperature phases III (D2h13-Pmmn) and II (D4h5-P4/mbm). However, it obviously remains a subgroup of the highest temperature phase I (D4h4-P4/mmm). A discondensation is deduced.
eng
closedAccess
Structural phase transitions in RbFeF4: I. Powder and single crystal x-ray diffraction study of the room temperature phase
artículo
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accesoRestringido.pdf.txt
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accesoRestringido.pdf.txt