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Colloquium video now available

Colloquium video now available

Watch Christopher M Wolverton's talk at the NFDI Physical Sciences Joint Colloquium

On Friday Septmber 9, Christopher M Wolverton of Northwestern University gave the talk The Phase Diagram of All Inorganic Materials at the NFDI Physical Sciences Joint Colloquium in Berlin.
The colloquium is now available to watch on our YouTube channel.

You can also read a review of the event on the MatWerk website. 

Abstract
One of the holy grails of materials science, unlocking structure-property relationships, has largely been pursued via bottom-up investigations of how the arrangement of atoms and interatomic bonding in a material determine its macroscopic behavior. Here we consider a complementary approach, a top-down study of the organizational structure of networks of materials, based on the interaction between materials themselves. We demonstrate the utility of applying network theory to materials science in two applications: First, we unravel the complete “phase stability network of all inorganic materials” as a densely-connected complex network of 21,000 thermodynamically stable compounds (nodes) interlinked by 41 million tie-lines (edges) defining their two-phase equilibria, as computed by high-throughput density functional theory. Using the connectivity of nodes in this phase stability network, we derive a rational, data-driven metric for material reactivity, the “nobility index”, and quantitatively identify the noblest materials in nature. Second, we apply network theory to the problem of synthesizability of inorganic materials, a grand challenge for accelerating their discovery using computations. We use machine-learning of our network to predict the likelihood that hypothetical, computer generated materials will be amenable to successful experimental synthesis.

published on 20.09.2022
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