This paper has been declined for publication. The reviewers have indicated general deficiencies in experimental support for the conclusions drawn and the interpretation of these results. They have made recommendations that can be used in the development of another submission. The reviewer comments are provided below.
On the basis of these comments, we regret that we cannot accept your paper for publication in the Journal of Non-Crystalline Solids.
Thank you for considering the Journal of Non-Crystalline Solids for publication of your work.