%0 Journal Article %K Competition %K Simulation %K Polarization %K Ferroelectricity %K Article %K Vortex flow %K Phase-field simulation %K Ferroelectric superlattice %K Superconducting materials %K Topology %K Neodymium compounds %K Crystal lattices %K Geometric length %K Polar vortex %K Topological structure %A Z Hong %A A.R Damodaran %A F Xue %A S.-L Hsu %A J Britson %A A.K Yadav %A C.T Nelson %A J.-J Wang %A J.F Scott %A L.W Martin %A Ramamoorthy Ramesh %A L.-Q Chen %B Nano Letters %D 2017 %G eng %I American Chemical Society %P 2246-2252 %R 10.1021/acs.nanolett.6b04875 %T Stability of Polar Vortex Lattice in Ferroelectric Superlattices %V 17