Direct band gap narrowing in highly doped Ge

High phosphorous doped germanium: Dopant diffusion and modeling

(2012) Yan Cai et al.   JOURNAL OF APPLIED PHYSICS

High active carrier concentration in n-type, thin film Ge using delta-doping

(2012) Rodolfo E. Camacho-Aguilera et al.   Optical Materials Express

Enhanced photoluminescence of heavily n-doped germanium

(2009) M. El Kurdi et al.   APPLIED PHYSICS LETTERS

Direct gap photoluminescence of n-type tensile-strained Ge-on-Si

(2009) Xiaochen Sun et al.   APPLIED PHYSICS LETTERS

Room-temperature direct bandgap electroluminesence from Ge-on-Si light-emitting diodes

(2009) Xiaochen Sun et al.   OPTICS LETTERS

Intrinsic and extrinsic diffusion of phosphorus, arsenic, and antimony in germanium

(2008) Sergej Brotzmann et al.   JOURNAL OF APPLIED PHYSICS