Synthesis and characterization of rare-earth-free magnetic manganese bismuth nanocrystals

Shen, J; Cui, HZ; Huang, XP; Gong, MG; Qin, W; Kirkeminde, A; Cui, J; Ren, SQ

doi:10.1039/c4ra12440e

Title: Synthesis and characterization of rare-earth-free magnetic manganese bismuth nanocrystals

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Abstract

Earth abundant manganese bismuth (MnBi) has long been of interest due to its largemagnetocrystalline anisotropy and high energy density for advanced permanent magnet applications. However, solution synthesis of MnBi phase is challenging due to the reduction potential mismatch between Mn and Bi elements. In this study, we show a versatile MnBi synthesis method involving the metal co-reduction followed by thermal annealing. The magnetically hard MnBi crystalline phase is then exchange coupled with magnetically soft cobalt coating. Our processing approach offers a promising strategy for manufacturing rare-earth-free magnetic nanocrystals.

Authors:: Shen, J; Cui, HZ; Huang, XP; Gong, MG; Qin, W; Kirkeminde, A; Cui, J; Ren, SQ

Publication Date:: Thu Jan 01 00:00:00 EST 2015

Sponsoring Org.:: USDOE Advanced Research Projects Agency - Energy (ARPA-E)

OSTI Identifier:: 1211280

DOE Contract Number:: 11/CJ000/09/03

Resource Type:: Journal Article

Journal Name:: RSC Advances

Additional Journal Information:: Journal Volume: 5; Journal Issue: 8; Journal ID: ISSN 2046-2069

Country of Publication:: United States

Language:: English

Citation Formats


                    Shen, J, Cui, HZ, Huang, XP, Gong, MG, Qin, W, Kirkeminde, A, Cui, J, and Ren, SQ. Synthesis and characterization of rare-earth-free magnetic manganese bismuth nanocrystals.  United States: N. p., 2015. 
        Web.  doi:10.1039/c4ra12440e.

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                    Shen, J, Cui, HZ, Huang, XP, Gong, MG, Qin, W, Kirkeminde, A, Cui, J, & Ren, SQ. Synthesis and characterization of rare-earth-free magnetic manganese bismuth nanocrystals.  United States.  https://doi.org/10.1039/c4ra12440e

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                    Shen, J, Cui, HZ, Huang, XP, Gong, MG, Qin, W, Kirkeminde, A, Cui, J, and Ren, SQ. 2015.  
        "Synthesis and characterization of rare-earth-free magnetic manganese bismuth nanocrystals".  United States.  https://doi.org/10.1039/c4ra12440e.

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@article{osti_1211280,

  title        = {Synthesis and characterization of rare-earth-free magnetic manganese bismuth nanocrystals},

  author       = {Shen, J and Cui, HZ and Huang, XP and Gong, MG and Qin, W and Kirkeminde, A and Cui, J and Ren, SQ},

  abstractNote = {Earth abundant manganese bismuth (MnBi) has long been of interest due to its largemagnetocrystalline anisotropy and high energy density for advanced permanent magnet applications. However, solution synthesis of MnBi phase is challenging due to the reduction potential mismatch between Mn and Bi elements. In this study, we show a versatile MnBi synthesis method involving the metal co-reduction followed by thermal annealing. The magnetically hard MnBi crystalline phase is then exchange coupled with magnetically soft cobalt coating. Our processing approach offers a promising strategy for manufacturing rare-earth-free magnetic nanocrystals.},

  doi          = {10.1039/c4ra12440e},

  url          = {https://www.osti.gov/biblio/1211280},
  journal      = {RSC Advances},

  issn         = {2046-2069},

  number       = 8,

  volume       = 5,

  place        = {United States},

  year         = {Thu Jan 01 00:00:00 EST 2015},

  month        = {Thu Jan 01 00:00:00 EST 2015}

}

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