Phys. Rev. B 64, 113108 (2001) [4 pages]Three-dimensional self-assembly of metal nanoparticles: Possible photonic crystal with a complete gap below the plasma frequencyReceived 25 May 2001; published 31 August 2001 We study theoretically the optical properties of a three-dimensional self-assembly of spherical-metal nanoparticles. Our band-structure calculations show that photonic band gaps in near infrared and optical frequencies can be realized in a fcc lattice of metal particles with radii of approximately 160 nm. When absorption is taken into account, we found that the gap is preserved in good metals like silver. The metal nanoparticles can be replaced by dielectric spheres coated with a layer of good metal. © 2001 The American Physical Society URL:
http://link.aps.org/doi/10.1103/PhysRevB.64.113108
DOI:
10.1103/PhysRevB.64.113108
PACS:
42.70.Qs, 78.67.Bf
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