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.

Bessas, D., Glazyrin, K., Ellis, D., Kantor, I., Merkel, D., Cerantola, V., et al. (2018). Pressure-mediated structural transitions in bulk EuTiO3. PHYSICAL REVIEW. B, 98(5) [10.1103/PhysRevB.98.054105].

Pressure-mediated structural transitions in bulk EuTiO3

Cerantola V;
2018

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.
Articolo in rivista - Articolo scientifico
Nuclear forward scattering; synchrotron; XRD; high pressure; diamond anvil cell
English
Bessas, D., Glazyrin, K., Ellis, D., Kantor, I., Merkel, D., Cerantola, V., et al. (2018). Pressure-mediated structural transitions in bulk EuTiO3. PHYSICAL REVIEW. B, 98(5) [10.1103/PhysRevB.98.054105].
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/10281/397736
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