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LSGM Single Crystals: Crystal Structure, Thermal Expansion, Phase Transitions and Conductivity

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Mixed Ionic Electronic Conducting Perovskites for Advanced Energy Systems

Part of the book series: Nato Science Series ((NAII,volume 173))

Abstract

Thermal behaviour of the La0.9Sr0.1Ga0.8Mg0.2O2.85 (LSGM-10) single crystal structure has been precisely investigated in a wide temperature range of 12 to 1300 K by means of high-resolution powder diffraction technique using synchrotron radiation. The conductivity in two orthogonal directions of the crystal has been studied in temperature range of 300 to 1270 K. Thermal behaviour of the lattice parameters and the structure refinement data indicate two phase transitions in LSGM-10: at 770 K (I2/a — R3c) and in the range 870–970 K (R3c — R-3c). The behaviour of the AC conductivity conforms to the sequences of the phase transitions and agrees with the structural features of the different modifications of the LSGM-10.

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Author information

Authors and Affiliations

  1. “L’viv Polytechnic” National University, Lviv, Ukraine

    L. Vasylechko, A. Senyshyn & Ye. Pivak

  2. Institute of Physics Polish Academy of Sciences, Warsaw, Poland

    M. Berkowski

  3. Dresden University of Technology, Germany

    V. Vashook & H. Ullmann

  4. Darmstadt University of Technology, Germany

    C. Bähtz

  5. Hamburg University, Germany

    U. Bismayer

Authors
  1. L. Vasylechko
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  2. A. Senyshyn
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  3. Ye. Pivak
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  4. M. Berkowski
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  5. V. Vashook
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  6. H. Ullmann
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  7. C. Bähtz
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  8. U. Bismayer
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Editor information

Editors and Affiliations

  1. Department of Materials Science and Engineering, Drexel University, Philadelphia, USA

    Nina Orlovskaya

  2. Department of Chemical Engineering and Materials Science, University of California-Davis, Davis, California, USA

    Nigel Browning

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© 2004 Springer Science+Business Media Dordrecht

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Vasylechko, L. et al. (2004). LSGM Single Crystals: Crystal Structure, Thermal Expansion, Phase Transitions and Conductivity. In: Orlovskaya, N., Browning, N. (eds) Mixed Ionic Electronic Conducting Perovskites for Advanced Energy Systems. Nato Science Series, vol 173. Springer, Dordrecht. https://doi.org/10.1007/978-1-4020-2349-1_21

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  • DOI: https://doi.org/10.1007/978-1-4020-2349-1_21

  • Publisher Name: Springer, Dordrecht

  • Print ISBN: 978-1-4020-1944-9

  • Online ISBN: 978-1-4020-2349-1

  • eBook Packages: Springer Book Archive

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