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SUMMARY:Two-dimensional oxides: new structures\, new functions and new mat
 erials
DTSTART:20140217T131500
DTSTAMP:20260407T211052Z
UID:dc9500902fd3beec51dc40938c1cec616930a0351edcb22417f184e5
CATEGORIES:Conferences - Seminars
DESCRIPTION:Gianfranco Pacchioni\, Universita degli Studi di Milano-Bicocc
 a\, Milano\, Italy\nBio: Gianfranco Pacchioni is Vice-Rector for Research 
 at the University of Milano Bicocca. He received the degree in Chemistry a
 t the University of Milano (1978) and the Ph.D. in Physical Chemistry at t
 he Free University of Berlin (1984). He has been working at the IBM Almade
 n Research Center in California (1987) and at the Technical University of 
 Munich (1993). Associate Professor of Inorganic Chemistry at the Universit
 y of Milano (1988)\, he is now Full Professor of Solid\nState Chemistry at
  the University of Milano Bicocca (since 2000).\nHe received various award
 s including the Nasini Medal of the Italian Chemical Society (1994)\, the 
 National Price “Federchimica” (1996)\, the Alexander von Humboldt Awar
 d (2005). He is Fellow of the European Academy of Sciences (2009) and of t
 he Academia Europaea (2012).\nHe has been Chairman of the Department of Ma
 terials Science at the University of Milano Bicocca (2003-2009)\; of the C
 OST Action “Inorganic oxide surfaces and interfaces” (2006-2010)\; of 
 the Panel PE5 of the European Research Council for the Advanced Grants (20
 08-2012)\; of the Theoretical and Computational Chemistry Division of the 
 Italian Chemical Society (2011-2013).\nHis main interests are theory and e
 lectronic structure of oxides (bulk\, surface\, thin films\, nanostructure
 s)\, supported metal clusters\, materials for catalysis\, photocatalysis a
 nd energy production. Gianfranco Pacchioni is co-author of more than 400 p
 apers with about 16000 citations (h-index: 68) and has given about 300 inv
 ited talks at international conferences and research institutions.\nGraphe
 ne is the prototype of two-dimensional materials\, but is not the only one
 . SiO2 films of few nanometers thickness grown on Si have been the basis o
 f the microelectronics revolution in the second half of last century. In g
 eneral\, ultrathin oxide films grown on a metal\, also called two- dimensi
 onal oxides\, have a wide range of applications [1]. Oxides at the nanosca
 le may exhibit specific surface morphology\, physical properties\, chemica
 l reactivity\, thus providing new opportunities for the design of innovati
 ve materials. Here we will address in particular the role of two-dimension
 al oxides for heterogeneous catalysis. Theory has a very important role in
  this field and\, in combination with experiments\, can answer several imp
 ortant questions like: are the electronic properties of an oxide film of j
 ust a few atomic layers similar to those of the corresponding crystalline 
 phases? How thick an oxide film has be to recover typical bulk properties?
  How important is the formation of a metal/oxide interface for the surface
  properties? What is the role of the strain in the supported layer? These 
 and other related questions will be addressed in this talk by discussing t
 ransport phenomena across two-dimensional oxides (charging effects)\, the 
 structural flexibility of oxide ultrathin films\, nanoporosity\, and in ge
 neral the possibility to design nano-structured oxides with new properties
  and functionalities [2\,3].\n[1]   G.   Pacchioni\,   “Two-dimens
 ional   oxides:   multifunctional   materials   for   advanced 
   technologies”\,\nChemistry a European Journal\, 18\, 10144-10158 (201
 2).\n[2] L. Giordano\, G. Pacchioni\, Accounts of Chemical Research\, “O
 xide films at the nanoscale: new structures\, new functions\, and new mate
 rials”\, 44\, 1244-1252 (2011).\n[3] G. Pacchioni\, H. J. Freund\, “El
 ectron transfer at oxide surfaces. The MgO paradigm: from defects to\nultr
 athin films”\, Chemical Reviews\, 113\, 4035-4072 (2013).
LOCATION:MXF 1 https://plan.epfl.ch/?room==MXF%201
STATUS:CONFIRMED
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