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Structure and Properties of Nonstoichiometric La1 – x Na x MnO3 ± γ Solid Solutions

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Abstract

The structural, electrical, magnetic, and magnetoresistive properties of polycrystalline La1 – x Na x MnO3 ± γ are studied in the range 0.08 ≤ x ≤ 0.16. The solid solutions contain La and O vacancies and crystallize in the space group R3¯c. The Curie temperature of the solid solutions depends not only on the formal charge state of Mn but also on the Na content, the amounts of La and O vacancies, and synthesis conditions. The synthesized materials are potentially attractive as room-temperature magnetic sensors.

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Authors and Affiliations

  1. Vernadsky Institute of General and Inorganic Chemistry, National Academy of Sciences of Ukraine, pr. Akademika Palladina 32/34, Kiev, 03142, Ukraine

    O. Z. Yanchevskii, O. I. V'yunov, D. A. Durilin & A. G. Belous

  2. Institute of Magnetism, National Academy of Sciences of Ukraine, pr. Vernadskogo 36b, Kiev, 03142, Ukraine

    A. I. Tovstolytkin

Authors
  1. O. Z. Yanchevskii
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  2. A. I. Tovstolytkin
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  3. O. I. V'yunov
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  4. D. A. Durilin
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  5. A. G. Belous
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Yanchevskii, O.Z., Tovstolytkin, A.I., V'yunov, O.I. et al. Structure and Properties of Nonstoichiometric La1 – x Na x MnO3 ± γ Solid Solutions. Inorganic Materials 40, 744–750 (2004). https://doi.org/10.1023/B:INMA.0000034775.17532.f2

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  • DOI: https://doi.org/10.1023/B:INMA.0000034775.17532.f2

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