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Influence of Ti4+ doping on hyperfine field parameters of Mg0.95Mn0.05Fe2−2x Ti2x O4 (0⩽x⩽0.7)

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Abstract

The mixed spinel ferrite system Mg0.95Mn0.05Fe2−2x Ti2x O4 (0⩽x⩽0.7) was synthesized by the conventional solid-state reaction technique. The effect of Ti4+ doping was studied by using the Mössbauer spectroscopy measurements at room temperature. From the analysis of the Mössbauer spectra, it is observed that s-electron density, electric field gradient (EFG), quadrupole coupling constant (QCC) and the net hyperfine magnetic fields acting on the Mössbauer nuclei-FeA 3+ and FeB 3+ change with the increase of Ti4+ doping in Mg0.95Mn0.05Fe2O4. The hyperfine magnetic field decreases with the increase of Ti4+ doping.

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Authors and Affiliations

  1. School of Nano and Advanced Materials Engineering, Changwon National University, Changwon, 641-773, Korea

    S. Kumar, H. K. Choi, B. H. Koo & C. G. Lee

  2. Department of Mechanical Engineering, Changwon National University, Changwon, 641-773, Korea

    R. Prakash & J. I. Song

  3. Department of Applied Physics, Aligarh Muslim University, Aligarh, 202002, India

    Alimuddin

  4. Department of Precision & Mechanical Engineering and BK21 Eco-Friendly Heat & Cooling Energy Mechanical Research Team, Gyeongsang National University, Tongyeong, 650-160, Korea

    H. Chung & H. Jeong

Authors
  1. S. Kumar
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  2. R. Prakash
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  3. Alimuddin
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  4. H. K. Choi
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  5. B. H. Koo
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  6. J. I. Song
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  7. H. Chung
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  8. H. Jeong
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  9. C. G. Lee
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Corresponding authors

Correspondence to S. Kumar or C. G. Lee.

Additional information

Foundation item: Project supported by the Second Stage of Brain Korea 21 Project; Project(RTI04-01-03) supported by the Regional Technology Innovation Program of the Ministry of Knowledge Economy (MKE), Korea

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Kumar, S., Prakash, R., Alimuddin et al. Influence of Ti4+ doping on hyperfine field parameters of Mg0.95Mn0.05Fe2−2x Ti2x O4 (0⩽x⩽0.7). J. Cent. South Univ. Technol. 17, 1139–1143 (2010). https://doi.org/10.1007/s11771-010-0609-y

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  • DOI: https://doi.org/10.1007/s11771-010-0609-y

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