Ferroelastic domain organization and precursor control of size in solution-grown hafnium dioxide nanorods.

@article{Depner2014FerroelasticDO,
  title={Ferroelastic domain organization and precursor control of size in solution-grown hafnium dioxide nanorods.},
  author={Sean W. Depner and Nicholas D. Cultrara and Katie E. Farley and Yueling Qin and Sarbajit Banerjee},
  journal={ACS nano},
  year={2014},
  volume={8 5},
  pages={4678-88}
}
We demonstrate that the degree of branching of the alkyl (R) chain in a Hf(OR)4 precursor allows for control over the length of HfO2 nanocrystals grown by homocondensation of the metal alkoxide with a metal halide. An extended nonhydrolytic sol-gel synthesis has been developed that enables the growth of high aspect ratio monoclinic HfO2 nanorods that grow along the [100] direction. The solution-grown elongated HfO2 nanorods show remarkable organization of twin domains separated by (100… CONTINUE READING

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