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Synthesis and characterization of half-doped chromium manganite La0.3Dy0.2Sr0.5Mn0.5Cr0.5O3

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Abstract

The half-doped chromium manganite La0.3Dy0.2Sr0.5Mn0.5Cr0.5O3 has been studied by X-ray diffraction and magnetic and transport measurements. The sample was found to be single phase and crystallized with orthorhombic structure in the space group Pnma. Magnetic measurements showed that the ferromagnetic interactions are dominant and the phase follows Curie–Weiss law only in the high-temperature region. The sample is semiconducting and the transport properties are dominated by the adiabatic small polaron hopping mechanism.

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Acknowledgments

Authors are thankful to University Grants Commission, New Delhi for financial support under the UGC Major Research Project (F.No. 41-284/2012SR; dated 13.07.2012). Authors are also thankful to Dr. Harpreet Singh, Central Research Facility Section, Indian Institute of Technology Ropar, for recording XRD, Elemental mapping and SEM.

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Authors and Affiliations

  1. Department of Chemistry, University of Jammu, Jammu, 180006, India

    Devinder Singh, Narayan Dutt Sharma & Arun Mahajan

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  1. Devinder Singh
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  2. Narayan Dutt Sharma
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  3. Arun Mahajan
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Correspondence to Devinder Singh.

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Singh, D., Sharma, N.D. & Mahajan, A. Synthesis and characterization of half-doped chromium manganite La0.3Dy0.2Sr0.5Mn0.5Cr0.5O3 . Monatsh Chem 147, 671–676 (2016). https://doi.org/10.1007/s00706-015-1540-6

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  • DOI: https://doi.org/10.1007/s00706-015-1540-6

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