• sustainable technologies

    From ScienceDaily@1:317/3 to All on Wed Jul 5 22:30:22 2023
    sustainable technologies
    A mathematical algorithm developed by University of Liverpool researchers could signal a step change in the quest to design the new materials that are needed to meet the challenge of net zero and a sustainable future.

    Date:
    July 5, 2023
    Source:
    University of Liverpool
    Summary:
    New research could signal a step change in the quest to design the
    new materials that are needed to meet the challenge of net zero and
    a sustainable future. Researchers have shown that a mathematical
    algorithm can guarantee to predict the structure of any material
    just based on knowledge of the atoms that make it up.


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    ==========================================================================
    FULL STORY ==========================================================================
    New research by the University of Liverpool could signal a step change
    in the quest to design the new materials that are needed to meet the
    challenge of net zero and a sustainable future.

    Publishing in the journal Nature, the Liverpool researchers have shown
    that a mathematical algorithm can guarantee to predict the structure of
    any material just based on knowledge of the atoms that make it up.

    Developed by an interdisciplinary team of researchers from the University
    of Liverpool's Departments of Chemistry and Computer Science, the
    algorithm systematically evaluates entire sets of possible structures
    at once, rather than considering them one at a time, to accelerate identification of the correct solution.

    This breakthrough makes it possible to identify those materials that can
    be made and, in many cases, to predict their properties. The new method
    was demonstrated on quantum computers that have the potential to solve
    many problems faster than classical computers and can therefore speed
    up the calculations even further.

    Our way of life depends on materials -- "everything is made of
    something." New materials are needed to meet the challenge of net
    zero, from batteries and solar absorbers for clean power to providing low-energy computing and the catalysts that will make the clean polymers
    and chemicals for our sustainable future.

    This search is slow and difficult because there are so many ways that
    atoms could be combined to make materials, and in particular so many
    structures that could form. In addition, materials with transformative properties are likely to have structures that are different from those
    that are known today, and predicting a structure that nothing is known
    about is a tremendous scientific challenge.

    Professor Matt Rosseinsky, from the University's Department of Chemistry
    and Materials Innovation Factory, said: "Having certainty in the
    prediction of crystal structures now offers the opportunity to identify
    from the whole of the space of chemistry exactly which materials can be synthesised and the structures that they will adopt, giving us for the
    first time the ability to define the platform for future technologies.

    "With this new tool, we will be able to define how to use those chemical elements that are widely available and begin to create materials to
    replace those based on scarce or toxic elements, as well as to find
    materials that outperform those we rely on today, meeting the future
    challenges of a sustainable society." Professor Paul Spirakis, from the University's Department of Computer Science, said: "We managed to provide
    a general algorithm for crystal structure prediction that can be applied
    to a diversity of structures. Coupling local minimization to integer programming allowed us to explore the unknown atomic positions in the continuous space using strong optimization methods in a discrete space.

    Our aim is to explore and use more algorithmic ideas in the nice adventure
    of discovering new and useful materials. Joining efforts of chemists
    and computer scientists was the key to this success." The research team includes researchers from the University of Liverpool's Departments of
    Computer Science and Chemistry, the Materials Innovation Factory and
    the Leverhulme Research Centre for Functional Materials Design, which
    was established to develop new approaches to the design of functional
    materials at the atomic scale through interdisciplinary research.

    This project has received funding from the Leverhulme Trust and the
    Royal Society.

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    ========================================================================== Journal Reference:
    1. Vladimir V. Gusev, Duncan Adamson, Argyrios Deligkas, Dmytro
    Antypov,
    Christopher M. Collins, Piotr Krysta, Igor Potapov,
    George R. Darling, Matthew S. Dyer, Paul Spirakis,
    Matthew J. Rosseinsky. Optimality guarantees for crystal
    structure prediction. Nature, 2023; 619 (7968): 68 DOI:
    10.1038/s41586-023-06071-y ==========================================================================

    Link to news story: https://www.sciencedaily.com/releases/2023/07/230705115134.htm

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