Growth and electron microscopy characterization of Au-assisted MBE-grown GaAs nanowires on Si substrates - delos Santos, Ramon M.; Presto, Jorge Michael M.; Somintac, Michelle B.; Concepcion, Paul; Ibañes, Jasher John A.; Fernando, Joel G.; Defensor, Michael J.; Salvador, Arnel A.; Somintac, Armando S. (Proceedings of the 26th Samahang Pisika ng Pilipinas Physics Congress, 2008)