Unveiling the effects of thallium and bismuth p-n doping on germanium-based clusters (n5 to n12) for applications in semiconductor materials. - Zafar, Ayesha; Altaf, Yasir; Zafar, Aiman; Hashmi, Muhammad Ali; Ahmed, Fahim; Rubab, Syeda Laila (Materials Science in Semiconductor Processing, 2024)