Elastic properties of colloidal crystals and glasses

H. M. Lindsay, P. M. Chaikin

    Research output: Contribution to journalArticle

    Abstract

    We have measured the shear modulus of lattices of charged polystyrene spheres. We describe a simple apparatus used in this study for determining the frequency of standing shear modes. For the monodisperse lattices, crystals form, stabilized by the repulsive Coulomb interaction, producing a classical "Wigner crystal" characterized by Bragg scattering and finite rigidity. We studied the rigidity as a function of volume fraction and electrolyte concentration for several particle diameters. Mixtures of colloids with different particle diameters form classical "Wigner glasses" characterized by the absence of long range order and Bragg scattering but the presence of a finite shear rigidity. We have studied the shear properties of these solids as a function of composition and electrolyte concentration.

    Original languageEnglish (US)
    Pages (from-to)3774-3781
    Number of pages8
    JournalThe Journal of chemical physics
    Volume76
    Issue number7
    StatePublished - 1982

    Fingerprint

    rigidity
    Rigidity
    elastic properties
    shear
    Glass
    Electrolytes
    Crystals
    glass
    shear properties
    electrolytes
    Scattering
    crystals
    Polystyrenes
    Colloids
    Coulomb interactions
    scattering
    crystal lattices
    Crystal lattices
    colloids
    Volume fraction

    ASJC Scopus subject areas

    • Atomic and Molecular Physics, and Optics

    Cite this

    Lindsay, H. M., & Chaikin, P. M. (1982). Elastic properties of colloidal crystals and glasses. The Journal of chemical physics, 76(7), 3774-3781.

    Elastic properties of colloidal crystals and glasses. / Lindsay, H. M.; Chaikin, P. M.

    In: The Journal of chemical physics, Vol. 76, No. 7, 1982, p. 3774-3781.

    Research output: Contribution to journalArticle

    Lindsay, HM & Chaikin, PM 1982, 'Elastic properties of colloidal crystals and glasses', The Journal of chemical physics, vol. 76, no. 7, pp. 3774-3781.
    Lindsay, H. M. ; Chaikin, P. M. / Elastic properties of colloidal crystals and glasses. In: The Journal of chemical physics. 1982 ; Vol. 76, No. 7. pp. 3774-3781.
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