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2008

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Please use this identifier to cite or link to this item: https://hdl.handle.net/2445/12855

Probing elastic anisotropy from defect dynamics in Langmuir monolayers

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http://dx.doi.org/10.1103/PhysRevLett.100.037801

Abstract

We study the dynamics of annihilation of point defects in Langmuir monolayers. The absence of hydrodynamic effects allows us to quantitatively relate the asymmetry in defect mobility to the elastic anisotropy of the material, which in turn can be varied through the control of the surface pressure applied to the monolayer. Using the proposed theoretical analysis, we are able to obtain rather elusive equilibrium properties out of relatively simple dynamical measurements. In particular, we measure the elastic constants and their pressure dependence.

Subject

Cristal·lografia, Materials, Anisotropia

Subject (English)

Crystallography, Materials, Anisotropy

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Articles publicats en revistes (Física Quàntica i Astrofísica)
Articles publicats en revistes (Ciència dels Materials i Química Física)

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BRUGUÉS, Jan, et al. Probing elastic anisotropy from defect dynamics in Langmuir monolayers. Physical Review Letters. 2008. Vol. 100, num. 3, pags. 037801-1-037801-4. ISSN 0031-9007. [consulted: 18 of June of 2026]. Available at: https://hdl.handle.net/2445/12855

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