Tailoring Li2SO4‒MgO‒P2O5 glasses for electrodes and electrolytes in solid ‒ state batteries with CoO doping by means of dielectric studiesRaja Sekhar Nallamothu, Marek Kostrzewa, Ayyagari Venkata Sekhar, Adam Ingram, Tikkisetti Venkata Naga Keerti Kut, Pathuri Naresh, Gnanamuthu Sahaya Baskaran, Vandana Ravi Kumar and Nalluri VeeraiahEur. Phys. J. Appl. Phys., 100 (2025) 13DOI: https://doi.org/10.1051/epjap/2025011