For
the first time, an international team of scientists has predicted models of
inorganic double-helix structures from simple inorganic elements.
In a recent study published in Angewandte Chemie International Edition,
Professor Chris Pickard and Dr Andrew Morris, along with researchers from Utah
State University and the People's Friendship University of Russia, predicted
that lithium and phosphorous can also form double helical nanoparticles. Using
computer simulations, the scientists found that the helical structures are
likely to occur with increasing the number of lithium and phosphorous elements
bonding together. They also found that the double helical nanoparticles can be
packed together in two crystals, one having adjacent helices with the same
orientation and another with helices in opposite orientation. A detailed
analysis of the nanoparticles revealed that the more ionic the bond between
lithium and phosphorous, the more likely are the helical structures to form.
Researchers are interested in inorganic double helical structures for potential
future uses by virtue of their properties. For example, helical structures may
be used in the future as microscopic coils for sensors. From this perspective,
this collaborative study of scientists from UK, US and Russia represents an
important step towards the design of new materials for advanced technological
applications [Read
more].