1. Harame, D.L., Koester, S.J., Freeman, G., Cottrel, P., Rim, K., Dehlinger, G.: The revolution in SiGe: impact on device electronics. Appl. Surf. Sci. 9, 224 (2004)
2. Thomson, P.E., Crosby, R., Bennett, J., Felch, S., Vac, J.: Formation of p+ shallow junctions using SiGe barriers. Sci. Technol. B 22, 2333 (2004)
3. Liou, J.J., Wong, W.W.: Comparison and optimization of the performance of Si and GaAs solar cells. Sol. Energy Mater. Sol. Cells 28, 9 (1992)
4. Zouari, A., Trabelsi, A.: Simple analytical solution and efficiency improvement of polysilicon emitter solar cells. Sol. Energy Mater. Sol. Cells 92, 313 (2008)
5. Lindholm, F.A., Neugroschel, A., Pao, S.C., Fossum, J.G., Sah, C.T.: Design considerations for silicon HLE solar cells. In: 13th Photovoltaic Specialists Conference pp. 1300–1130 (1978)