Negative Poisson’s ratio behavior in the planar model of asymmetric trimers at zero temperature

JW Narojczyk; A Alderson; AR Imre; FL Scarpa; KW Wojciechowski

doi:10.1016/j.jnoncrysol.2008.06.085

Negative Poisson’s ratio behavior in the planar model of asymmetric trimers at zero temperature

JW Narojczyk, A Alderson, AR Imre, FL Scarpa, KW Wojciechowski

Research output: Contribution to journal › Article (Academic Journal) › peer-review

26 Citations (Scopus)

Abstract

Elastic constants of two-dimensional soft cyclic trimers, exhibiting asymmetry and atomic size dispersion, are studied at zero temperature. The molecules interact through a short-range, site–site, purely repulsive, n-inverse-power potential. The essential influence of the molecular asymmetry on the elastic properties is shown. Negative values of the Poisson’s ratio are found for strongly asymmetric molecules. It is also shown that, at fixed number density in the system, by increasing the size dispersion of particles one can significantly increase the elastic constants and the Poisson’s ratio.

Translated title of the contribution	Negative Poisson’s ratio behavior in the planar model of asymmetric trimers at zero temperature
Original language	English
Journal	Journal of Non-Crystalline Solids
DOIs	https://doi.org/10.1016/j.jnoncrysol.2008.06.085
Publication status	Published - 2008

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title = "Negative Poisson{\textquoteright}s ratio behavior in the planar model of asymmetric trimers at zero temperature",

abstract = "Elastic constants of two-dimensional soft cyclic trimers, exhibiting asymmetry and atomic size dispersion, are studied at zero temperature. The molecules interact through a short-range, site–site, purely repulsive, n-inverse-power potential. The essential influence of the molecular asymmetry on the elastic properties is shown. Negative values of the Poisson{\textquoteright}s ratio are found for strongly asymmetric molecules. It is also shown that, at fixed number density in the system, by increasing the size dispersion of particles one can significantly increase the elastic constants and the Poisson{\textquoteright}s ratio.",

author = "JW Narojczyk and A Alderson and AR Imre and FL Scarpa and KW Wojciechowski",

year = "2008",

doi = "10.1016/j.jnoncrysol.2008.06.085",

language = "English",

journal = "Journal of Non-Crystalline Solids",

issn = "0022-3093",

publisher = "North-Holland Publishing Company",

}

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T1 - Negative Poisson’s ratio behavior in the planar model of asymmetric trimers at zero temperature

AU - Narojczyk, JW

AU - Alderson, A

AU - Imre, AR

AU - Scarpa, FL

AU - Wojciechowski, KW

PY - 2008

Y1 - 2008

N2 - Elastic constants of two-dimensional soft cyclic trimers, exhibiting asymmetry and atomic size dispersion, are studied at zero temperature. The molecules interact through a short-range, site–site, purely repulsive, n-inverse-power potential. The essential influence of the molecular asymmetry on the elastic properties is shown. Negative values of the Poisson’s ratio are found for strongly asymmetric molecules. It is also shown that, at fixed number density in the system, by increasing the size dispersion of particles one can significantly increase the elastic constants and the Poisson’s ratio.

AB - Elastic constants of two-dimensional soft cyclic trimers, exhibiting asymmetry and atomic size dispersion, are studied at zero temperature. The molecules interact through a short-range, site–site, purely repulsive, n-inverse-power potential. The essential influence of the molecular asymmetry on the elastic properties is shown. Negative values of the Poisson’s ratio are found for strongly asymmetric molecules. It is also shown that, at fixed number density in the system, by increasing the size dispersion of particles one can significantly increase the elastic constants and the Poisson’s ratio.

U2 - 10.1016/j.jnoncrysol.2008.06.085

DO - 10.1016/j.jnoncrysol.2008.06.085

M3 - Article (Academic Journal)

JO - Journal of Non-Crystalline Solids

JF - Journal of Non-Crystalline Solids

SN - 0022-3093

ER -