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Enhanced Thermoelectric Properties of W- and Fe-Substituted MnSi γ

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Abstract

We have investigated the effect of heavy-element (W) substitution on the thermoelectric properties of higher manganese silicide (HMS). Samples were prepared by arc melting followed by liquid quenching, where the latter assisted in achieving higher solubility for tungsten. We observed that Mn34.6W1.8Si63.6 was a p-type material, whereas simultaneous substitution of 12 at.% Fe made the higher manganese silicide an n-type material. The optimal carrier concentration was obtained by simultaneous substitution of Fe and W for Mn atoms. Although the samples were metastable, we successfully obtained bulk samples by a low-temperature (970 K), high-pressure (>100 MPa), long-duration sintering process. The lattice thermal conductivity was effectively reduced by W substitution, and the ZT value was improved to above 0.5 for both n- and p-type samples.

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References

  1. H.J. Goldsmid, CRC Handbook of Thermoelectrics, ed. D.M. Rowe (Boca Raton: CRC Press, 1995), pp. 22–23.

    Google Scholar 

  2. H.J. Goldsmid, Introduction to Thermoelectricity (Heidelberg: Springer, 2009), pp. 43–61.

    Google Scholar 

  3. J.R. Sootsman, D.Y. Chung, and M.G. Kanatzidis, Angew. Chem. Int. Ed. Engl. 48, 8616–8639 (2009).

    Article  Google Scholar 

  4. Y. Miyazaki and Y. Kikuchi, Thermoelectric Nanomaterials, vol. 182, ed. K. Koumoto and T. Mori (Heidelberg: Springer, 2013), pp. 141–155.

    Chapter  Google Scholar 

  5. Y. Kikuchi, Y. Miyazaki, Y. Saito, K. Hayashi, K. Yubuta, and T. Kajitani, Jpn. J. Appl. Phys. 51, 085801 (2012). doi:10.1143/JJAP.51.085801.

    Google Scholar 

  6. T. Itoh and M. Yamada, J. Electron. Mater. 38, 925–929 (2009).

    Article  Google Scholar 

  7. M. Mikami, Y. Kinemuchi, K. Ozaki, Y. Terazawa, and T. Takeuchi, J. Appl. Phys. 111, 093710 (2012). doi:10.1063/1.4710990.

    Article  Google Scholar 

  8. T. Takeuchi, Y. Terazawa, Y. Furuta, A. Yamamoto, and M. Mikami, J. Electron. Mater. 42, 2084–2090 (2013).

    Article  Google Scholar 

  9. Y. Miyazaki, Y. Saito, K. Hayashi, K. Yubuta, and T. Kajitani, J. Appl. Phys. 50, 035804 (2011). doi:10.7567/JJAP.50.035804.

    Article  Google Scholar 

  10. P. Villars, A. Prince, and H. Okamoto, Handbook of Ternary Alloy Phase Diagrams, vol. 10 (Ohio: ASM International, 1995), p. 12463

  11. S.A. Barczak, R.A. Downie, S.R. Popuri, R. Decourt, M. Pollet, and J.W.G. Bos, J. Solid State Chem. 227, 55–59 (2015). doi:10.1016/j.jssc.2015.03.017.

    Article  Google Scholar 

  12. A. Yamamoto, H. Miyazaki, and T. Takeuchi, J. Appl. Phys. 115, 023708 (2014). doi:10.1063/1.4861643.

    Article  Google Scholar 

  13. A. Yamamoto, H. Miyazaki, M. Inukai, Y. Nishino, and T. Takeuchi, Jpn. J. Appl. Phys. 07, 2015 (1801). doi:10.7567/JJAP.54.071801.

    Google Scholar 

  14. X. Chen, S.N. Girard, F. Meng, E. Lara-Curzio, S. Jin, J.B. Goodenough, J. Zhou, and L. Shi, Adv. Energy Mater. 4, 1400452 (2014). doi:10.1002/aenm.201400452.

    Article  Google Scholar 

  15. A. Yamamoto, S. Ghodke, H. Miyazaki, M. Inukai, Y. Nishino, M. Matsunami, and T. Takeuchi, J. Appl. Phys. 55, 020301 (2016). doi:10.7567/JJAP.55.020301.

    Article  Google Scholar 

  16. S. Ghodke, A. Yamamoto, H. Ikuta, and T. Takeuchi, Proceedings of 11th International Conference on Ceramic Materials and Components for Energy and Environmental Applications (Vancouver: American Ceramic Society), 14–20 June 2015.

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Acknowledgements

This work was conducted with financial support from JST PRESTO and Japan Society for the Promotion of Science (JSPS) KAKENHI, Grant Nos. 26289236 and 26630332.

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Authors and Affiliations

  1. Department of Crystalline Materials Science, Nagoya University, Nagoya, Japan

    Swapnil Ghodke, Naoya Hiroishi & Hiroshi Ikuta

  2. Toyota Technological Institute, Nagoya, Japan

    Akio Yamamoto, Masaharu Matsunami & Tsunehiro Takeuchi

  3. PRESTO, JST, Tokyo, Japan

    Tsunehiro Takeuchi

  4. GREMO, Nagoya, Japan

    Tsunehiro Takeuchi

Authors
  1. Swapnil Ghodke
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  2. Naoya Hiroishi
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  3. Akio Yamamoto
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  4. Hiroshi Ikuta
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  5. Masaharu Matsunami
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  6. Tsunehiro Takeuchi
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Correspondence to Tsunehiro Takeuchi.

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Ghodke, S., Hiroishi, N., Yamamoto, A. et al. Enhanced Thermoelectric Properties of W- and Fe-Substituted MnSi γ . J. Electron. Mater. 45, 5279–5284 (2016). https://doi.org/10.1007/s11664-016-4688-x

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  • DOI: https://doi.org/10.1007/s11664-016-4688-x

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