“…The issues faced by CNTs could be overcome by nanowires because of the reproducible control over size and electronic properties that current growth methods enable (Cui et al 2001b(Cui et al , 2003Cui and Lieber 2001;Wu et al 2004). A good class of NWs has been developed, ranging from NWs based on classic semiconductors, such as silicon NWs (Chen et al 2006;Goncher et al 2006;Yajie et al 2008), GaP (Dujavova-Laurencikova et al 2013), GaN (Lee et al 2007), CdS and ZnS (Barrelet et al 2003), heterostructures as Ge-Si (Xiang et al 2006a, b), InAs-InP (Jiang et al 2007), oxide nanowires MgO (Yin et al 2002), Cu 2 O (Jiang et al 2002), SiO 2 (Yu et al 1998;Liu et al 2001;Zheng et al 2002), Ga 2 O 3 Sharma and Sunkara 2002), Al 2 O 3 (Valcarcel et al 1998;Xiao et al 2002) (Zhou et al 2002), and others.…”