1 Correction to: Appl Phys A (2020) 126:882 https://doi.org/10.1007/s00339-020-04064-6

In this article, the affiliation 2 for Nalini Pareek and Anirban Bera was incorrectly given.

The correct affiliation is as follows.

Academy of Scientific and Innovative Research, (AcSIR), Ghaziabad 201002, India.