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SUMMARY:Dr. Stefano Canossa : Redefining complexity in MOF crystals by sin
 gle-crystal total scattering methods
DTSTART:20250422T140000
DTEND:20250422T151500
DTSTAMP:20260527T164519Z
UID:2d24f2db73d876a1cac8c5d364fefe25ce0a0a039a0f2baf4046ca97
CATEGORIES:Conferences - Seminars
DESCRIPTION:Dr. Stefano Canossa\,\nInorganic Chemistry Dpt and\nSmall Mole
 cule Crystallography center\,\nETH Zurich\,\nSwitzerland\n \nAbstract : 
 “If you change the way you look at things\, the things you look at chang
 e”. As German Nobel laureate Max Planck reportedly said these words\, he
  most certainly had no idea about MOFs\, yet this quote describes remarkab
 ly well an ongoing revolution in how chemists understand reticular structu
 res. Defects and disorder are gradually leaving their status of merely exo
 tic or accidental features\, as they also become identity markers of a giv
 en framework by virtue of their multivariate and correlated arrangement in
  the crystal [1]. We are increasingly aware that such characteristics are 
 ubiquitous\, since essentially any crystal contains imperfections that hav
 e often been ignored due to over-reliance on the conventional ‘average u
 nit cell’ approximation. In this context\, single-crystal total scatteri
 ng analysis offers the unique advantage of providing 3D-resolved informati
 on on the real atomic structures of crystals with essentially no limitatio
 n of type\, composition or size.\nIn this lecture I describe how this stil
 l-rare crystallographic method delivers such information by presenting pub
 lished and undisclosed results\, which reveal how ordinary MOFs can hide e
 xtraordinary and unexpected complexity in the form of correlated defects a
 nd disorder [2\, 3].\n\n[1] Canossa\, S. Yaghi\, O. M. et al. 2023. Natur
 e Reviews Materials 8\, 331–340.\n[2] Canossa\, S.\, Lotsch\, B. V. e
 t al. 2023. Journal of the American Chemical Society 145\, 10051–10060.\
 n[3] S. Griffin\, S. Canossa\, N. Champness et al\, 2025. Nature Communic
 ations (ASAP)\n\nBio : After graduating in 2018 at the University of Parma
  (Italy) with a thesis on the modelling of MOF crystal structure and disor
 der by single-crystal diffraction analysis\, I have spent 6 years as postd
 octoral researcher at the technical University of Delft\, University of An
 twerp\, and the Max Planck Institute for Solid State Research in Stuttgart
 . During this period\, I developed data processing and modelling tools for
  the analysis of MOFs using 3D diffuse scattering from single crystals usi
 ng both X-ray and electron crystallography. By leveraging on these techniq
 ues to obtain 3D information on MOF aperiodicity\, I have been studying t
 he possibility of synthetically controlling their structural disorder and 
 defects\, which remain my primary interest in reticular chemistry.\nIn Mar
 ch 2024\, I joined the Inorganic Chemistry Department and the Small Molecu
 le Crystallography center at ETH Zurich\, where I am continuing my total s
 cattering research as Senior scientist.\n\n 
LOCATION:Tseuzier https://plan.epfl.ch/?room==I17%204%20K2 https://epfl.zo
 om.us/j/65378030944
STATUS:CONFIRMED
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