Mixed ab initio and semiempirical study of hydrogen-terminated finite germanium nanowires Shanawer Niaz, Oğuz Gülseren, Muhammad Aslam Khan and Irfan Ullah Eur. Phys. J. Plus, 133 11 (2018) 448 Published online: 02 November 2018 DOI: 10.1140/epjp/i2018-12279-3