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A Quasicontinuum Study of Nanovoid Collapse under Uniaxial Loading in Ta

Description: The mechanisms underlying the deformation of nanovoids in Ta single crystals are analyzed when they are subjected to cyclic uniaxial deformation using numerical simulations. Boundary and cell-size effects have been mitigated by means of the Quasicontinuum (QC) method. We have considered {approx} 1 billion-atom systems containing 10.9 nm voids. Two kinds of simulations have been performed, each characterized by a different boundary condition. First, we compress the material along the nominal [0 … more
Date: December 2, 2007
Creator: Marian, J.; Knap, J. & Campbell, G.
Partner: UNT Libraries Government Documents Department
open access

Electronic Structure of Lithium Battery Materials

Description: Lithium batteries are important as the power source for portable electronic devices and could also be used in hybrid vehicles with improvements in capacity. We have used first principles calculations of electronic structure to determine how charge is redistributed as Li is added or removed. In the final of year of the project we have examined Lix(NiMn)0.5O2 and Lix(NiMnCo)0.333O2 cathode materials in more detail. As lithium is removed electrons are removed from the valence band which is mainly … more
Date: December 2, 2007
Creator: Rez, Peter
Partner: UNT Libraries Government Documents Department
open access

BG/L Calculations of the QCD Critical Temperature and Equation of State

Description: We summarize the latest results from performing Lattice QCD calculations with two different discretization schemes, asqtad and p4fat3, on the LLNL BG/L supercomputer, and present a plan for continued running to complete the calculation of the QCD transition temperature and equation of state.
Date: December 2, 2007
Creator: Battacharya, T.; Bazavov, A.; Cheng, M.; Christ, N.; DeTar, C.; Gottlieb, S. et al.
Partner: UNT Libraries Government Documents Department

[Haley Sicking and Kevin Park stand with Symphony Orchestra after "Nuit d'hyménée" performance]

Description: Photograph of Haley Sicking and Kevin Park standing on stage with conductor Stephen Dubberly and the University of North Texas Symphony Orchestra after a performance of "Nuit d'hyménée." The event celebrated the life of Bill Winspear, who passed away in June of 2007.
Date: December 2, 2007
Creator: University of North Texas. College of Music.
Partner: UNT Libraries Special Collections

[Kevin Park and Stephen Dubberly shake hands after "O wie ängstlich" performance]

Description: Photograph of Kevin Park (left) and Stephen Dubberly (right) shaking hands after a performance of Die Entführung aus dem Serail, K. 384: "O wie ängstlich" during an event celebrating the life of Bill Winspear, who passed away in June of 2007.
Date: December 2, 2007
Creator: University of North Texas. College of Music.
Partner: UNT Libraries Special Collections

[Haley Sicking performs "Amour, ranime mon courage" at Bill Winspear memorial, 3]

Description: Photograph of Haley Sicking singing "Amour, ranime mon courage" during an event celebrating the life of Bill Winspear, who passed away in June of 2007. Stephen Dubberly is conducting the University of North Texas Symphony Orchestra in the background.
Date: December 2, 2007
Creator: University of North Texas. College of Music.
Partner: UNT Libraries Special Collections

[Kevin Park and Haley Sicking perform "Nuit d'hyménée" at Bill Winspear memorial, 3]

Description: Photograph of Haley Sicking and Kevin Park singing "Nuit d'hyménée" during an event celebrating the life of Bill Winspear, who passed away in June of 2007. Stephen Dubberly is conducting the University of North Texas Symphony Orchestra in the background.
Date: December 2, 2007
Creator: University of North Texas. College of Music.
Partner: UNT Libraries Special Collections
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