Correction to: J Mater Sci: Mater Electron DOI 10.1007/s10854-017-7842-1

The original version of this article unfortunately contained an error in Sect. 3.3 Structural analysis Equation (7). The corrected version is published with this erratum (Eq. 7).

$${\text{D}}=\frac{{\text{k}\uplambda }}{{\upbeta \cos (\uptheta)}}$$
(7)