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• Perturbation Theory
  Molecular materials at the microscopic level ...tive expressions, two types of calculations can be derived to evaluate the molecular polarizabilities from quantum-mechanical approaches. There is one major set
  46 KB (7,539 words) - 14:19, 5 August 2011
• Gold Nanoparticles – Surface Plasmon Resonance
  ...n be well-described as a ''one-electron transition'' between two molecular orbitals. Comparing experimentally determined molar extinction coefficients for gold ...articles larger than roughly 2 nm, as for particles with smaller sizes the molecular-like behavior starts dominating and size-induced gaps appear in the density
  56 KB (8,818 words) - 15:03, 7 July 2010

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