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dc.contributor.authorZVORISTE-WALTERS Carmenen_GB
dc.contributor.authorHEATHMAN STEPHENen_GB
dc.contributor.authorKLIMCZUK Tomaszen_GB
dc.date.accessioned2013-08-01T00:03:02Z-
dc.date.available2013-07-31en_GB
dc.date.available2013-08-01T00:03:02Z-
dc.date.created2013-07-17en_GB
dc.date.issued2013en_GB
dc.date.submitted2013-06-28en_GB
dc.identifier.citationJOURNAL OF PHYSICS-CONDENSED MATTER no. 25 p. 265401 (6pp)en_GB
dc.identifier.issn0953-8984en_GB
dc.identifier.urihttp://dx.doi.org/10.1088/0953-8984/25/26/265401en_GB
dc.identifier.urihttp://publications.jrc.ec.europa.eu/repository/handle/JRC83087-
dc.description.abstractThe structural behaviour under compression of different lanthanide (La, Gd, Ho, Yb) and actinide (Am) monochalcogenides is studied by means of in situ high-pressure x-ray diffraction. All the investigated compounds crystallize at ambient conditions within a cubic (B1) NaCl-type structure but show different behaviours at high pressures. LaTe and AmTe undergo B1 to B2 (CsCl-type structure) phase transitions, starting at 9 GPa and 12 GPa, respectively. The high-pressure phase of AmTe exhibits an electronic transition, identified by an anomaly in the compression curve which is accompanied by a sample colour change. The other three monochalcogenides studied here show clear evidence of decomposition and amorphization under pressure and are, to the best of our knowledge, the first in the LnTe series to show a pressure-induced amorphization. The bulk moduli of all B1-type structure compounds are calculated using the third-order Birch–Murnaghan equation of state.en_GB
dc.description.sponsorshipJRC.E.6-Actinide researchen_GB
dc.format.mediumPrinteden_GB
dc.languageENGen_GB
dc.publisherIOP PUBLISHING LTDen_GB
dc.relation.ispartofseriesJRC83087en_GB
dc.titlePressure-induced phase transitions in LnTe (Ln=La, Gd, Ho, Yb) and AmTeen_GB
dc.typeArticles in periodicals and booksen_GB
dc.identifier.doi10.1088/0953-8984/25/26/265401en_GB
JRC Directorate:Nuclear Safety and Security

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