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

doi:10.1103/PhysRevB.98.054105

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

RST/Fundamental Aspects of Materials and Energy

Research output: Contribution to journal › Article › Scientific › peer-review

6 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 language	English
Article number	054105
Number of pages	7
Journal	Physical Review B
Volume	98
Issue number	5
DOIs	https://doi.org/10.1103/PhysRevB.98.054105
Publication status	Published - 2018

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10.1103/PhysRevB.98.054105

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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.",

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AU - Bessas, D.

AU - Glazyrin, K.

AU - Ellis, D. S.

AU - Kantor, I.

AU - Merkel, D. G.

AU - Cerantola, V.

AU - Potapkin, V.

AU - Van Smaalen, S.

AU - Baron, A. Q.R.

AU - Hermann, R. P.

PY - 2018

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AB - 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.

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Pressure-mediated structural transitions in bulk EuTiO3

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