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dc.contributor.authorFarid, U-
dc.contributor.authorKhan, HU-
dc.contributor.authorAvdeev, M-
dc.contributor.authorInjac, S-
dc.contributor.authorKennedy, BJ-
dc.identifier.citationFarid, U., Khan, H. U., Avdeev, M., Injac, S., & Kennedy, B. J. (2018) Structural studies of the high temperature phases of AgTaO3. Journal of Solid State Chemistry, 258, 859-864. doi:10.1016/j.jssc.2017.12.023en_US
dc.description.abstractAbstract: The temperature dependence of the structure of a polycrystalline sample of AgTaO3 has been determined using in-situ Synchrotron X-ray powder diffraction methods. This work finds no evidence for the presence of a monoclinic phase, rather three phase transitions have been identified, namely R3c↔390°CCmcm↔465°CP4/mbm↔580°CPm3̅m. The rhombohedral phase was further studied at room temperature by neutron powder diffraction. The co-existence of the rhombohedral and orthorhombic phases around 380–400 ° C indicates that the transition between these is first order, and gives rise to unusual peak shapes in the diffraction patterns. © 2017 Elsevier Inc.en_US
dc.subjectPhase transformationsen_US
dc.subjectX-ray diffractionen_US
dc.subjectNeutron diffractionen_US
dc.subjectCrystal structureen_US
dc.titleStructural studies of the high temperature phases of AgTaO3en_US
dc.typeJournal Articleen_US
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