Engineering of Advanced Materials

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Cluster of Excellence

Engineering of Advanced Materials

Friedrich-Alexander-Universität Erlangen-Nürnberg


Cluster of Excellence
Engineering of
Advanced Materials (EAM)

Nägelsbachstrasse 49b
91052 Erlangen, Germany
01. April 2017

Picture of the month: Fivehold twinned microstructure determines the properties of nanowires in transparent electrodes

Fivefold twinned silver nanowires play an important role in EAM Research Area B where they are used in flexible and stretchable electronics, e.g., as transparent electrodes in printed solar cells. Atomistic simulations performed in Research Area A3 showed that their unique structure leads to a complex strain state within the wires, which was confirmed by X-ray diffraction measurements in research area A2. The internal strain state was furthermore shown to affect the elastic properties as well as the deformation and failure of these nanowires in unexpected ways.

Niekiel, F.; Spiecker, E.; Bitzek, E.
Influence of anisotropic elasticity on the mechanical properties of fivefold twinned nanowires.
J. Mech. Phys. Solids 2015, 84, 358 – 379.


Niekiel, F.; Bitzek, E.; Spiecker, E.
Combining Atomistic Simulation and X-Ray Diffraction for the Characterization of Nanostructures: A Case Study on Fivefold Twinned Nanowires.
ACS Nano 2014, 8, 1629 –1638.


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