Auxetics at the Molecular Level: A Negative Poisson's Ratio in Molecular Rods | Zendy

Pour Nir | Zendy; Itzhaki Lior | Zendy; Hoz Benaya | Zendy; Altus Eli | Zendy; Basch Harold | Zendy; Hoz Shmaryahu | Zendy

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Auxetics at the Molecular Level: A Negative Poisson's Ratio in Molecular Rods

Author(s) -

Pour Nir,

Itzhaki Lior,

Hoz Benaya,

Altus Eli,

Basch Harold,

Hoz Shmaryahu

Publication year - 2006

Publication title -

angewandte chemie international edition

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 5.831

H-Index - 550

eISSN - 1521-3773

pISSN - 1433-7851

DOI - 10.1002/anie.200601764

Subject(s) - auxetics , poisson's ratio , poisson distribution , rod , materials science , poisson regression , composite material , statistical physics , mathematics , physics , statistics , medicine , alternative medicine , pathology , population , demography , sociology

Negative feedback : Auxetic materials are materials that, counterintuitively, become thicker when stretched and thinner when compressed (negative Poisson's ratio). Quantum mechanical computations were used to identify poly[ n ]prismanes ( n =3–6), the first nanomolecular systems that manifest auxetic behavior at the molecular level. The magnitude of the negative Poisson's ratio in these prismanes ranges from 7 to 15 %.

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