publication . Article . 2001

colloidal assemblies modified by ion irradiation

Snoeks, E.; Blaaderen, A. van; Dillen, T. van; Kats, C.M. van; Velikov, K.P.; Brongersma, M.L.; Polman, A.;
Open Access
  • Published: 01 Jan 2001 Journal: Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms, volume 178, pages 62-68 (issn: 0168-583X, Copyright policy)
  • Publisher: Elsevier BV
  • Country: Netherlands
Abstract
Abstract Spherical SiO2 and ZnS colloidal particles show a dramatic anisotropic plastic deformation under 4 MeV Xe ion irradiation, that changes their shape into oblate ellipsoidal, with an aspect ratio that can be precisely controlled by the ion fluence. The 290 nm and 1.1 μm diameter colloids were deposited on a Si substrate and irradiated at 90 K, using fluences in the range 3×10 13 –8×10 14 cm −2 . The transverse particle diameter shows a linear increase with ion fluence, while the longitudinal diameter shrinks; the particle volume remains constant. Size aspect ratios up to 3.1 are achieved. Applications of the ion beam deformation technique are shown in stu...
Subjects
free text keywords: Nuclear and High Energy Physics, Instrumentation, Nanolithography, Irradiation, Particle, Ion beam, Chemistry, Colloid, Analytical chemistry, Liquid crystal, Ion, Colloidal crystal, Ion irradiation, Anisotropic deformation
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publication . Article . 2001

colloidal assemblies modified by ion irradiation

Snoeks, E.; Blaaderen, A. van; Dillen, T. van; Kats, C.M. van; Velikov, K.P.; Brongersma, M.L.; Polman, A.;