| Peer-Reviewed

Schematic Interpretation of Anomalies in the Physical Properties of Eu and Yb Among the Lanthanides

Received: 24 May 2017     Accepted: 2 June 2017     Published: 19 June 2017
Views:       Downloads:
Abstract

Lanthanides are the elements in 6th period and the 3rd group of the periodic table. Eu and Yb exhibit some unusual properties compared with the other lanthanides. The author has proposed a diagram to systematically illustrate the properties of the elements, by plotting the Young’s modulus on the ordinate and thermal conductivity on the abscissa. Eu and Yb have much lower Young’s moduli, and are located far from other lanthanides on the diagram. Most lanthanides have hexagonal structures. Eu, however, has a body-centered cubic structure, because it is located on the extension of the curve of alkali metals. Yb has a face-centered cubic (fcc) structure, because it is located on the curve of fcc metals. The positions of Eu and Yb on the diagram are thought to act as a bridge between the lanthanides and other adjacent element groups. As a result, Eu and Yb work as if they were members in the adjacent element groups, which leads to their large atomic radii and their low melting points, etc.

Published in International Journal of Materials Science and Applications (Volume 6, Issue 4)
DOI 10.11648/j.ijmsa.20170604.11
Page(s) 165-170
Creative Commons

This is an Open Access article, distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution and reproduction in any medium or format, provided the original work is properly cited.

Copyright

Copyright © The Author(s), 2017. Published by Science Publishing Group

Keywords

Eu, Yb, Lanthanides Crystal Structure, Atomic Radius, Melting Point

References
[1] Y. Mae, “What the Darken-Gurry plot means about the solubility of elements in metals,” Metall. Mater. Trans. A, vol. 47, pp. 6498-6506, Dec., 2016.
[2] Japan Institute of Metals, Metals data book, 3rd ed., Maruzen, Tokyo, 1993, pp. 36-43.
[3] Tokyo-kagaku-doujin, Big chemical dictionary, Tokyo-kagaku-doujin, Tokyo, 1989, p. 190.
[4] K. N. R. Taylor, M. L. Darby, Physics of rare earth solids, Chapman and Hall, London, 1972, pp. 60-62.
[5] J. Bernstein, Plutonium, Sangyo-tosho, Tokyo, 2008, p. 174.
[6] E. C. Subbarao and W. E. Wallace, Science and technology of rare earth materials, Academic Press, New York, 1980, pp. 53-54.
[7] R. A. Cooley, D. M. Yost, H. W. Stone, “Europium(Ⅱ) salts”, Inorganic Synthesis, 2, pp69-73, 1946.
[8] Japan Institute of Metals, Metals data book, 3rd ed., Maruzen, Tokyo, 1993, p. 5.
[9] W. Hayden, W. G. Moffat, and J, Wulff, The structure and properties of materials, Vol. III Mechanical behavior, John Wiley and Sons, New York, 1965, pp. 26-31.
[10] A. F. Holleman, E. Wiberg, N. Wiberg, Die Lanthanoide, Walter de Gruyter, Belrin, 1985, pp. 1265-1279.
Cite This Article
  • APA Style

    Yoshiharu Mae. (2017). Schematic Interpretation of Anomalies in the Physical Properties of Eu and Yb Among the Lanthanides. International Journal of Materials Science and Applications, 6(4), 165-170. https://doi.org/10.11648/j.ijmsa.20170604.11

    Copy | Download

    ACS Style

    Yoshiharu Mae. Schematic Interpretation of Anomalies in the Physical Properties of Eu and Yb Among the Lanthanides. Int. J. Mater. Sci. Appl. 2017, 6(4), 165-170. doi: 10.11648/j.ijmsa.20170604.11

    Copy | Download

    AMA Style

    Yoshiharu Mae. Schematic Interpretation of Anomalies in the Physical Properties of Eu and Yb Among the Lanthanides. Int J Mater Sci Appl. 2017;6(4):165-170. doi: 10.11648/j.ijmsa.20170604.11

    Copy | Download

  • @article{10.11648/j.ijmsa.20170604.11,
      author = {Yoshiharu Mae},
      title = {Schematic Interpretation of Anomalies in the Physical Properties of Eu and Yb Among the Lanthanides},
      journal = {International Journal of Materials Science and Applications},
      volume = {6},
      number = {4},
      pages = {165-170},
      doi = {10.11648/j.ijmsa.20170604.11},
      url = {https://doi.org/10.11648/j.ijmsa.20170604.11},
      eprint = {https://article.sciencepublishinggroup.com/pdf/10.11648.j.ijmsa.20170604.11},
      abstract = {Lanthanides are the elements in 6th period and the 3rd group of the periodic table. Eu and Yb exhibit some unusual properties compared with the other lanthanides. The author has proposed a diagram to systematically illustrate the properties of the elements, by plotting the Young’s modulus on the ordinate and thermal conductivity on the abscissa. Eu and Yb have much lower Young’s moduli, and are located far from other lanthanides on the diagram. Most lanthanides have hexagonal structures. Eu, however, has a body-centered cubic structure, because it is located on the extension of the curve of alkali metals. Yb has a face-centered cubic (fcc) structure, because it is located on the curve of fcc metals. The positions of Eu and Yb on the diagram are thought to act as a bridge between the lanthanides and other adjacent element groups. As a result, Eu and Yb work as if they were members in the adjacent element groups, which leads to their large atomic radii and their low melting points, etc.},
     year = {2017}
    }
    

    Copy | Download

  • TY  - JOUR
    T1  - Schematic Interpretation of Anomalies in the Physical Properties of Eu and Yb Among the Lanthanides
    AU  - Yoshiharu Mae
    Y1  - 2017/06/19
    PY  - 2017
    N1  - https://doi.org/10.11648/j.ijmsa.20170604.11
    DO  - 10.11648/j.ijmsa.20170604.11
    T2  - International Journal of Materials Science and Applications
    JF  - International Journal of Materials Science and Applications
    JO  - International Journal of Materials Science and Applications
    SP  - 165
    EP  - 170
    PB  - Science Publishing Group
    SN  - 2327-2643
    UR  - https://doi.org/10.11648/j.ijmsa.20170604.11
    AB  - Lanthanides are the elements in 6th period and the 3rd group of the periodic table. Eu and Yb exhibit some unusual properties compared with the other lanthanides. The author has proposed a diagram to systematically illustrate the properties of the elements, by plotting the Young’s modulus on the ordinate and thermal conductivity on the abscissa. Eu and Yb have much lower Young’s moduli, and are located far from other lanthanides on the diagram. Most lanthanides have hexagonal structures. Eu, however, has a body-centered cubic structure, because it is located on the extension of the curve of alkali metals. Yb has a face-centered cubic (fcc) structure, because it is located on the curve of fcc metals. The positions of Eu and Yb on the diagram are thought to act as a bridge between the lanthanides and other adjacent element groups. As a result, Eu and Yb work as if they were members in the adjacent element groups, which leads to their large atomic radii and their low melting points, etc.
    VL  - 6
    IS  - 4
    ER  - 

    Copy | Download

Author Information
  • Maetech, Mimuro, Midori Ward, Saitama City, Japan

  • Sections