Ultra-Uniformity in Nanocrystalline Materials: Implications from Generalized Growth Theory and Validations

Nanocrystalline materials with 1 a steady-state size distribution that is analytically solvable. Significantly, the distribution narrows with increasing n, which can be beneficially utilized to homogenize the microstructure. This proposal is experimentally validated in dense Al2O3 with an extremely uniform microstructure of 34 nm average grain size.