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Abstract
The use of appropriate flat-sided pyramidal containers to grow ordered foams allows single crystals to be formed. In the case of face-centred cubic crystals, these have been prepared with up to 500 bubbles. Strained and deliberately defective crystals can also be grown. The growth of simple cubic and body-centred cubic crystals is limited by instability; preliminary results are presented for these, as well as ordered bidisperse foams.
Acknowledgments
This publication has emanated from research conducted with the financial support of Science Foundation Ireland (08/RFP/MTR1083) (AJM,DW,SH). Research is also supported by the European Space Agency (MAP AO-99-108:C14914/02/NL/SH and AO-99-075:C14308/00/NL/SH) and European Union MPNS COST Action MP1106. Special thanks to Professor Martin Hegner and Jason Jensen for help in the fabrication of these pyramids and use of their Object 300 3D printer.