Colloidal assemblies modified by ion irradiation

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Snoeks, E.; Blaaderen, A. van; Dillen, T. van; Kats, C.M. van; Velikov, K.P.; Brongersma, M.L.; Polman, A.;
  • Subject: Colloid | Ion irradiation | Anisotropic deformation | Liquid crystal | Nanolithography | Colloidal crystal

Spherical SiO2 and ZnS colloidal particles show a dramatic anisotropic plastic deformation under 4 MeV Xe ion irradiation, that changes their shape into oblate into oblate ellipsional, with an aspect ratio that can be precisely controlled by the ion fluence. The 290 nm ... View more
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