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preface
about the editor
contributors
6 modeling interactions of metal oxide surfaces with water
l.vlcek
p.ganesh
a.bandura
e.mamontov
m.predota
p.t.cummings
d.j.wesolowski
1 introduction
2 metal oxide¡ªwater interactions and their study
2.1 general oxide properties and surface processes
2.2 experimental methods
2.3 computer simulations
2.4 theoretical models
3 electronic structure and surface reactions
3.1 tio2
3.2 sno2
3.3 zno
4 thermodynamic and structural aspects of adsorption
4.1 tio2
4.2 sno2
4.3 zno
5 dynamics of adsorbed water
5.1 fast processes¡ªproton motion
5.2 slow processes¡ªmolecular motion
6 perspectives
7 acknowledgments
references
7 density functional theory study of water dissociative chemisorption on metal oxide surfaces
c.zhou
h.cheng
1 introduction
2 catalytic water dissociation on metal oxide surfaces
2.1 water dissociative chemisorption on fe3o4£¨111£© surfaces
2.2 water dissociative chemisorption on rutile¡ªtio2£¨110£© surfaces
2.3 water dissociative chemisorption on ¦Á¡ªal2o3£¨100£© surfaces
4 summary
5 acknowledgments
references
8 first¡ªprinciples studies of hydrogen spillover mechanisms on metal oxides
l.chen
m.yang
h.cheng
1 introduction
2 general view of spillover
2.1 mechanism of hydrogen spillover on metal oxide
2.2 the role of noble metals in the spillover effect
2.3 the role of spillover in chemical sensors
2.4 experimental confirmations of the presence of spillover effect
3 computational approach
4 hydrogen spilloverin moo3
5 hydrogen spilloverin al2o3
6 hydrogen spilloverin wo3
7 summary
references
9 adsorption and diffusion of adatoms and small clusters on metal oxide surfaces
r.ferrando
a.fortunelli
1 introduction
2 theoretical methods and concepts in metal£¯oxide interaction
2.1 theoretical methods
2.2 concepts in metal£¯oxide interaction
3 diffusion of isolated adatoms
3.1 energy barriers for isolated adatoms on flat mgo£¨001£©
3.2 long jumps in adatom diffusion
3.3 diffusion in the presence of defects
4 diffusion of dimers£¬ trimers£¬ and tetramers
4.1 dimers
4.2 trimers
4.3 tetramers
5 adsorption and diffusion on exotic £¨ultrathin£© oxide substrates
5.1 adsorption
5.2 diffusion
6 conclusions
references
10 effect of size on the phase stability of nanostructures
s.li
q.jiang
1 introduction and motivation
2 phase stability and structural phase transition
2.1 crystals and crystalline structures
2.2 factors triggering phase transitions
2.3 size effect on phase¡ªtransition pressure and temperature of nanostructures
2.4 research on the thermodynamics of solid structural nanophase transitions
2.5 effect of surface£º surface energy and surface stress
2.6 effect of shape on phase stability
3 theoretical methods for size¡ªdependent phase stabilitv
3.1 simulation techniques
3.2 thermodynamics
3.3 applications£º case studies
4 concluding remarks
references
11 segregation¡ªinduced grain¡ªboundary electrical pui¡ªential in ionic oxide material8£º simulation approache8 and pending challenges
r.l.gonzalez romero
j j.melendez martinez
f.l.cumbrera hernandez
d.gomez garcia
1 introduction£º generalldeas about segregation effects in oxide materials
2 modeling of segregation to the grain boundaries£º analytical £¨or continuum£© approach
3 atomistic approach£º molecular dynamics modeling
4 mesoscopic approach£º phase¡ªfield models
4.1 topological evolution of a collective of many grains
4.2 microstructural evolution coupled with chemical segregation
5 pending problems and future prospects
6 acknowledgments
references
index