Creating a Metallic Snowflake to Develop New Materials ScienceMagazine AucklandUni nanoscience nano
Nanoscale structures can help with electronic manufacturing, make materials stronger yet lighter, or assist with environmental clean-ups by binding to toxins. A nanometer is one billionth of a meter.
Related StoriesDr. Krista Steenbergen of Te Herenga Waka, Victoria University of Wellington, Professor Nicola Gaston, and research fellow Dr Steph Lambie of Waipapa Taumata Rau, University of Auckland, worked with Australian colleagues under the direction of Professor Kourosh Kalantar-Zadeh at the University of New South Wales.
The New Zealand team used simulations of molecular dynamics to explain why differently shaped crystals emerge from different metals. The team is a part of the MacDiarmid Institute for Advanced Materials and Nanotechnology, a national Center of Research Excellence. The study was funded by the government based Marsden Fund.
The crystals had shapes like cubes, rods, hexagonal plates, and zinc snowflakes. The snowflake pattern is explained by zinc’s six-branched symmetry, which surrounds each atom with six neighbors who are spaced at equivalent intervals.
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