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Transformation of the acoustic mode near the structural and magnetic phase transitions in La1–x Sr x MnO3 (x = 0.175) crystal

  • Proceedings of the International Symposium “Orderings in Minerals and Alloys” (OMA-11)
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Bulletin of the Russian Academy of Sciences: Physics Aims and scope

Abstract

The peculiarities of the phase transitions in La0.825Sr0.175MnO3 single crystal have been investigated by acoustic methods at the frequency f = 770 MHz. Generation of a magnetoelastic wave near the phase transition at 305 K is revealed, which is assigned to quasi-transverse modes. The most likely cause of the phase transition near T = 305 K and the formation of the quasi-transverse mode is the suppression of local Jahn-Teller distortions.

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References

  1. Bogdanova, Kh.G., Bulatov, A.R., Golenishchev-Kutuzov, V.A., et al., Fiz. Tverd. Tela, 2003, vol. 45, no. 2, p. 284 [Phys. Solid State (Engl. Transl.), vol. 45, no. 2, p. 298].

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Authors and Affiliations

  1. Zavoiskii Kazan Physicotechnical Institute, Kazan Research Center, Russian Academy of Sciences, Kazan, Russia

    Kh. G. Bogdanova

  2. Kazan State Energy University, Kazan, Russia

    A. R. Bulatov, V. A. Golenishchev-Kutuzov, A. A. Potapov & A. E. Usachev

Authors
  1. Kh. G. Bogdanova
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  2. A. R. Bulatov
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  3. V. A. Golenishchev-Kutuzov
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  4. A. A. Potapov
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  5. A. E. Usachev
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Corresponding author

Correspondence to A. A. Potapov.

Additional information

Original Russian Text © Kh.G. Bogdanova, A.R. Bulatov, V.A. Golenishchev-Kutuzov, A.A. Potapov, A.E. Usachev, 2009, published in Izvestiya Rossiiskoi Akademii Nauk. Seriya Fizicheskaya, 2009, Vol. 73, No. 8, pp. 1080–1082.

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Bogdanova, K.G., Bulatov, A.R., Golenishchev-Kutuzov, V.A. et al. Transformation of the acoustic mode near the structural and magnetic phase transitions in La1–x Sr x MnO3 (x = 0.175) crystal. Bull. Russ. Acad. Sci. Phys. 73, 1019–1021 (2009). https://doi.org/10.3103/S1062873809080012

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  • DOI: https://doi.org/10.3103/S1062873809080012

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