Thermal expansion of orthorhombic PbO was investigated by high‐temperature X‐ray diffraction. The coefficients in the a0, and c0 directions are equal and Pb–O chains extended in the a0 direction and bonded into layers in the b0 direction; appreciable Pb–Pb bonding is indicated. Coordination and bond distances observed in PbSiO3 and lead silicate glasses, which are similar to those of massicot, and PbnOn polymeric units reported in PbO vapor are interpreted as additional evidence of the importance of PbO chains as structural entities. Copyright © 1970, Wiley Blackwell. All rights reserved
C. A. Sorrell, "Thermal Expansion Of Orthorhombic PbO," Journal of the American Ceramic Society, vol. 53, no. 10, pp. 552 - 554, Wiley, Jan 1970.
The definitive version is available at https://doi.org/10.1111/j.1151-2916.1970.tb15964.x
Materials Science and Engineering
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01 Jan 1970