Title
Visualization of Electrostatic Dipoles in Molecular Dynamics of Metal Oxides
Abstract
Metal oxides are important for many technical applications. For example alumina (aluminum oxide) is the most commonlyused ceramic in microelectronic devices thanks to its excellent properties. Experimental studies of these materials are increasingly supplemented with computer simulations. Molecular dynamics (MD) simulations can reproduce the material behavior very well and are now reaching time scales relevant for interesting processes like crack propagation. In this work we focus on the visualization of induced electric dipole moments on oxygen atoms in crack propagation simulations. The straightforward visualization using glyphs for the individual atoms, simple shapes like spheres or arrows, is insufficient for providing information about the data set as a whole. As our contribution we show for the first time that fractional anisotropy values computed from the local neighborhood of individual atoms of MD simulation data depict important information about relevant properties of the field of induced electric dipole moments. Iso surfaces in the field of fractional anisotropy as well as adjustments of the glyph representation allow the user to identify regions of correlated orientation. We present novel and relevant findings for the application domain resulting from these visualizations, like the influence of mechanical forces on the electrostatic properties.
Year
DOI
Venue
2012
10.1109/TVCG.2012.282
IEEE Transactions on Visualization and Computer Graphics
Keywords
Field
DocType
computer simulation,electrostatics,oxygen,computational modeling,data visualisation,ceramic,data models,molecular dynamics simulation,integrated circuits,data visualization,anisotropic magnetoresistance
Electrostatics,Data visualization,Computational physics,Visualization,Microelectronics,Computer science,Atom,Theoretical computer science,SPHERES,Molecular dynamics,Dipole
Journal
Volume
Issue
ISSN
18
12
1077-2626
Citations 
PageRank 
References 
9
0.63
10
Authors
7
Name
Order
Citations
PageRank
Sebastian Grottel114010.41
Philipp Beck290.63
Christoph Müller314712.84
Guido Reina429731.26
Johannes Roth590.63
Hans-Rainer Trebin690.63
Thomas Ertl74417401.52