Journal
SCIENCE ADVANCES
Volume 6, Issue 35, Pages -Publisher
AMER ASSOC ADVANCEMENT SCIENCE
DOI: 10.1126/sciadv.abc2758
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Funding
- U.S. Department of Energy (DOE), Office of Science, Basic Energy Sciences [DE-SC0020321]
- DOE [DE-SC0014664]
- Integrated University Program Graduate Fellowship program
- Scientific User Facilities Division, Office of Basic Energy Sciences, U.S. DOE
- DOE Office of Science [DE-SC0012704]
- U.S. DOE, Office of Science, Office of Workforce Development for Teachers and Scientists
- U.S. DOE, Office of Science Graduate Student Research (SCGSR) program
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Disordered crystalline materials are used in a wide variety of energy-related technologies. Recent results from neutron total scattering experiments have shown that the atomic arrangements of many disordered crystalline materials are not random nor are they represented by the long-range structure observed from diffraction experiments. Despite the importance of disordered materials and the impact of disorder on the expression of physical properties, the underlying fundamental atomic-scale rules of disordering are not currently well understood. Here, we report that heterogeneous disordering (and associated structural distortions) can be understood by the straightforward application of Pauling's rules (1929). This insight, corroborated by first principles calculations, can be used to predict the short-range, atomic-scale changes that result from structural disordering induced by extreme conditions associated with energy-related applications, such as high temperature, high pressure, and intense radiation fields.
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