Al Rifai Hejjo

Distribution and formation of Silicon Carbide and Silicon Nitride precipitates in block-cast multicrystalline silicon (2005)

Rakotoniaina, J.P., Breitenstein, O., Werner, M., Hejjo, Al Rifai, Buonassisi, T., Pickett, M.D., ...

Detection of cracks in silicon wafers and solar cells by ultrasonic lock-in thermography (2004)

Rakotoniaina, J.P., Breitenstein, O., Hejjo, Al Rifai, Franke, D., Schneider, A.

Investigation of material-induced shunts in block-cast multicrystalline silicon solar cells caused by SiC precipitate filaments (2004)

Hejjo, Al Rifai, Breitenstein, O., Rakotoniaina, J.P., Werner, M.

New developments in IR lock-in IR thermography (2004)

Breitenstein, O., Rakotoniaina, J.P., Hejjo, Al Rifai, Gradhand, M., Altmann, F., Riediger, T.