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- Title
Atomic Structural Origin of Fictive Temperature Revealed by AZnP<sub>3</sub>O<sub>9</sub> (A=K, Rb) Glasses.
- Authors
Xu, Di; Liu, Xin; Wang, Ji; Liu, Qian‐Qian; Fu, Rong; Lin, He; Chen, Ling; Wang, Li‐Min; Wu, Li‐Ming
- Abstract
The fictive temperature (Tf) is widely applied to understand the relaxation thermodynamics of a glass; however, its atomic structural origin is still unclear. Here, we report two novel AZnP3O9 glasses obtained by melting the composition identical single crystals. These glasses exhibit structural inheritance within 5 Å from the single crystal counterparts that is quantified by δ=nglass/ncry (0≤δ≤1, n is the number of pair correlation functions). Among the available glass‐formers, glassKZnP3O9 exhibits the highest structural inheritance (δ=1, nglass=8). More insightfully, a reverse correlation between δ and the relaxation thermodynamic parameters is observed in glassAZnP3O9, revealing for the first time the atomic structural origin of fictive temperature.
- Subjects
GLASS construction; SINGLE crystals; ALKALI metals; THERMODYNAMICS; TEMPERATURE; GLASS; STATISTICAL correlation; RUBIDIUM
- Publication
Angewandte Chemie, 2023, Vol 135, Issue 13, p1
- ISSN
0044-8249
- Publication type
Article
- DOI
10.1002/ange.202218666