Na或Zn交联低连接性磷酸盐玻璃熔体的动态光散射

Q1 Physics and Astronomy Journal of Non-Crystalline Solids: X Pub Date : 2023-03-01 DOI:10.1016/j.nocx.2023.100157

G. Dirks, J. Pereira, D.L. Sidebottom

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引用次数: 1

摘要

采用动态光散射法测量了P2O5在50 ~ 40 mol%范围内，PO4四面体的长聚合物链被系统地缩短的情况下，钠和磷酸锌玻璃形成熔体的结构弛豫。研究结果揭示了弛豫的非指数性以及玻璃脆性的组成变化，后者在钠和锌之间表现出异常差异。

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Dynamic light scattering in low connectivity phosphate glass melts crosslinked by Na or Zn

Dynamic light scattering was performed to measure the structural relaxation in sodium and zinc phosphate glass-forming melts in the range from 50 mol% to 40 mol% P₂O₅ where long polymer-like chains of PO₄ tetrahedra are systematically shortened in length. The findings reveal compositional changes in the non-exponentiality of the relaxation as well as in the glass fragility, the latter of which exhibits anomalous differences between sodium and zinc.

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