Interfaces between nanostructures and the respective matrices have multiple roles in the growth dynamics and stability of the nanostructures. They can serve as confining barriers deciding the structure and orientation of growth, as in the case of air-water interfaces. They can redistribute the excess free energy, generated through different processing protocols, and give rise to specific growth centres. They can also play the role of exchanging energy (and material) between a nano-domain and a bulk, as seen in microscopic phase transitions. We have presented these specific aspects of interfaces in relation to nanoscale dynamics.
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