Issue 37, 2005
From the journal:

Journal of Materials Chemistry

On the origin of auxetic behaviour in the silicate α-cristobalite†

Joseph N. Grima,*a   Ruben Gatt,a   Andrew Aldersonb  and  Kenneth E. Evansc  

* Corresponding authors

a Department of Chemistry, University of Malta, Msida, Malta
E-mail: joseph.grima@um.edu.mt
Fax: 00 356 2133 0400
Tel: 00 356 2340 2274/5

b Centre for Materials Research and Innovation, University of Bolton, Deane Road, Bolton, UK

c Department of Engineering, University of Exeter, North Park Road, Exeter, UK

Abstract

The experimentally observed negative Poisson's ratios in the silicate α-cristobalite are explained through a two-dimensional ‘rotation of rigid units’ model involving ‘rotating rectangles’ hence providing a new insight into the way nature can achieve this unusual property.

Graphical abstract: On the origin of auxetic behaviour in the silicate α-cristobalite

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Article information

DOI
https://doi.org/10.1039/B508098C
Article type
Communication
Submitted
10 Jun 2005
Accepted
20 Jul 2005
First published
10 Aug 2005

J. Mater. Chem., 2005,15, 4003-4005

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On the origin of auxetic behaviour in the silicate α-cristobalite

J. N. Grima, R. Gatt, A. Alderson and K. E. Evans, J. Mater. Chem., 2005, 15, 4003 DOI: 10.1039/B508098C

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