Pressure-mediated structural transitions in bulk EuTiO3

D. Bessas, K. Glazyrin, D. S. Ellis, I. Kantor, D. G. Merkel, V. Cerantola, V. Potapkin, S. Van Smaalen, A. Q.R. Baron, R. P. Hermann

Research output: Contribution to journalArticleScientificpeer-review

5 Citations (Scopus)

Abstract

The high pressure structural phase diagram of EuTiO3 is revisited by means of single crystal x-ray diffraction at pressures below 30GPa. We report a transition at about 3GPa with a surprisingly small lattice distortion. At 23GPa we have detected a yet unknown transition into a new orthorhombic phase (space group Ibam). Combining our observations on structures obtained on single crystals and polycrystalline samples with complementary methods, such as electrical resistivity and nuclear forward scattering of synchrotron radiation measured on polycrystalline samples, we address issues relevant to chemistry and disorder.

Original languageEnglish
Article number054105
Number of pages7
JournalPhysical Review B
Volume98
Issue number5
DOIs
Publication statusPublished - 2018

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