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Title: Pressure-mediated structural transitions in bulk EuTiO 3

Abstract

The high pressure structural phase diagram of EuTiO 3 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.

Authors:
 [1];  [2];  [3];  [4];  [4];  [4];  [5];  [6];  [3];  [7]
  1. Delft Univ. of Technology (Netherlands)
  2. Deutsches Elektronen-Synchrotron (DESY), Hamburg (Germany)
  3. RIKEN, Hyogo (Japan)
  4. European Synchrotron Radiation Facility (ESRF), Grenoble (France)
  5. Univ. Munster (Germany)
  6. Univ. of Bayreuth (Germany)
  7. Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States)
Publication Date:
Research Org.:
Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States)
Sponsoring Org.:
USDOE
OSTI Identifier:
1470847
Alternate Identifier(s):
OSTI ID: 1463757
Grant/Contract Number:  
AC05-00OR22725
Resource Type:
Accepted Manuscript
Journal Name:
Physical Review B
Additional Journal Information:
Journal Volume: 98; Journal Issue: 5; Journal ID: ISSN 2469-9950
Publisher:
American Physical Society (APS)
Country of Publication:
United States
Language:
English
Subject:
36 MATERIALS SCIENCE

Citation Formats

Bessas, D., Glazyrin, K., Ellis, D. S., Kantor, I., Merkel, D. G., Cerantola, V., Potapkin, V., van Smaalen, S., Baron, A. Q. R., and Hermann, R. P. Pressure-mediated structural transitions in bulk EuTiO3. United States: N. p., 2018. Web. doi:10.1103/PhysRevB.98.054105.
Bessas, D., Glazyrin, K., Ellis, D. S., Kantor, I., Merkel, D. G., Cerantola, V., Potapkin, V., van Smaalen, S., Baron, A. Q. R., & Hermann, R. P. Pressure-mediated structural transitions in bulk EuTiO3. United States. doi:10.1103/PhysRevB.98.054105.
Bessas, D., Glazyrin, K., Ellis, D. S., Kantor, I., Merkel, D. G., Cerantola, V., Potapkin, V., van Smaalen, S., Baron, A. Q. R., and Hermann, R. P. Thu . "Pressure-mediated structural transitions in bulk EuTiO3". United States. doi:10.1103/PhysRevB.98.054105. https://www.osti.gov/servlets/purl/1470847.
@article{osti_1470847,
title = {Pressure-mediated structural transitions in bulk EuTiO3},
author = {Bessas, D. and Glazyrin, K. and Ellis, D. S. and Kantor, I. and Merkel, D. G. and Cerantola, V. and Potapkin, V. and van Smaalen, S. and Baron, A. Q. R. and Hermann, R. P.},
abstractNote = {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.},
doi = {10.1103/PhysRevB.98.054105},
journal = {Physical Review B},
number = 5,
volume = 98,
place = {United States},
year = {2018},
month = {8}
}

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Works referenced in this record:

Hydrostatic limits of 11 pressure transmitting media
journal, March 2009

  • Klotz, S.; Chervin, J-C.; Munsch, P.
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Two-dimensional detector software: From real detector to idealised image or two-theta scan
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