Temperature-dependent structural heterogeneity in calcium silicate liquids

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This article discusses temperature-dependent structural heterogeneity in calcium silicate liquids.

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6 p.

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Benmore, Chris J.; Weber, J. K. R.; Wilding, Martin C.; Du, Jincheng & Parise, John B. December 7, 2010.

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This article discusses temperature-dependent structural heterogeneity in calcium silicate liquids.

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6 p.

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Copyright 2010 American Physical Society. The following article appeared in Physical Review B, 82:22, http://link.aps.org/doi/10.1103/PhysRevB.82.224202

Abstract: X-ray diffraction measurements performed on aerodynamically levitated CaSiO3 droplets have been interpreted using a structurally heterogeneous liquid-state model. When cooled, the high-temperature liquid shows evidence of the polymerization of edge shared Ca octahedra. Diffraction isosbestic points are used to characterize the polymerization process in the pair-distribution function. This behavior is linear in the high-temperature melt but exhibits rapid growth just above the glass transition temperature around 1.2Tg. The heterogeneous liquid interpretation is supported by molecular-dynamics simulations which show the CaSiO3 glass has more edge-shared polyhedra and fewer corner shared polyhedra than the liquid model.

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  • Physical Review B, 2010, College Park: American Physical Society

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  • Publication Title: Physical Review B
  • Volume: 82
  • Issue: 22
  • Pages: 6
  • Peer Reviewed: Yes

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  • December 7, 2010

Added to The UNT Digital Library

  • Oct. 9, 2012, 10:02 a.m.

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  • March 27, 2014, 1:29 p.m.

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Benmore, Chris J.; Weber, J. K. R.; Wilding, Martin C.; Du, Jincheng & Parise, John B. Temperature-dependent structural heterogeneity in calcium silicate liquids, article, December 7, 2010; [College Park, Maryland]. (digital.library.unt.edu/ark:/67531/metadc107770/: accessed November 15, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT College of Engineering.