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pro vyhledávání: '"Segall, D. E."'
Autor:
Segall, D. E., Strachan, Alejandro, Ismail-Beigi, Sohrab, Goddard III, William A., Arias, T. A.
Publikováno v:
Phys. Rev. B, 68, no. 014104, (2003)
This manuscript explores the apparent discrepancy between experimental data and theoretical calculations of the lattice resistance of bcc tantalum. We present the first results for the temperature dependence of the Peierls stress in this system and t
Externí odkaz:
http://arxiv.org/abs/cond-mat/0212156
Autor:
Segall, D. E., Arias, T. A.
Publikováno v:
Phys. Rev. B 67 (2003) 064105
Through the use of perturbation theory, in this work we develop a method which allows for a substantial reduction in the size of the plane-wave basis used in density-functional calculations. This method may be used for both pseudopotentials and all-e
Externí odkaz:
http://arxiv.org/abs/cond-mat/0207663
Publikováno v:
Journal of Computer-Aided Material Design, Vol. 8 (2001) pp. 161-172
The Peierls stress for a [111]-screw dislocation in bcc Tantalum is calculated using an embedded atom potential. More importantly, a method is presented which allows accurate calculations of the Peierls stress in the smallest periodic cells. This met
Externí odkaz:
http://arxiv.org/abs/cond-mat/0103084
Publikováno v:
Phys. Rev. B 65 (2002) 214109
We initiate the development of a theory of the elasticity of nanoscale objects based upon new physical concepts which remain properly defined on the nanoscale. This theory provides a powerful way of understanding nanoscale elasticity in terms of loca
Externí odkaz:
http://arxiv.org/abs/cond-mat/0004154
Publikováno v:
IUTAM Symposium on Mechanical Behavior & Micro-Mechanics of Nanostructured Materials; 2007, p181-189, 9p
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