Electrical and dielectric properties of amorphous GeTe alloy Eman Mohamed Assim, Essam Gamal El-Metwally and Mamdouh Mohamed Abdel-Aziz Eur. Phys. J. B, 92 12 (2019) 276 Published online: 18 December 2019 DOI: 10.1140/epjb/e2019-100482-y