 | Hartmut Figger - Computers - 2001 - 570 pages
...measurement. We evaluated the cluster polarizability, a uniquely defined property, using a GGA/PW91 and 6-31G* basis set, giving ~ 793 (au). A general definition...discrete. To arrive at an effective "dielectric constant'" 498 Munir H. Nayfeh Fig. 17. Configuration structure of a particle that contains 29 silicon atoms,... | |
 | Vijay Kumar - Technology & Engineering - 2011 - 385 pages
...measurement. We also evaluated the cluster polarizability, a uniquely defined property, giving ~793a.u. A general definition of a dielectric constant in semiconductor...value is close to estimations done before by Allan et al. [52] and Wang and Zunger [91]. The Penn's model-based analysis [91] gives, for a diameter of... | |
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dielectric constant" one has to define an appropriate "cluster interior volume". For an effective interior radius ( ~ 4.2 A) we get a dielectric constant of ~ 5.7. This value is close to estimations done before by Allan at al. 