title: The control of the growth orientations of electrodeposited single-crystal nanowire arrays: a case study for hexagonal CdS.
abstract: The controllable growth of highly aligned and ordered semiconductor nanowire arrays is crucial for their potential applications in nanodevices. In the present study, both the growth orientation and the microstructure of hexagonal CdS nanowire arrays electrodeposited in a porous alumina template with 40 nm diameter pores have been controlled by simply tuning the deposition current density. An extremely low current density of 0.05 mA cm(-2) is favorable for the growth of single-crystal CdS nanowires along the normal direction of the intrinsic low-surface-energy (103) face. This can be understood well by a modified critical dimension model given in the present work.
authors.affiliation: State Key Laboratory of Metastable Materials Science and Technology, Yanshan University, 066004 Qinhuangdao, People's Republic of China.
authors.forename: Hongyu
authors.initials: H
authors.lastname: Sun
authors.forename: Xiaohong
authors.initials: X
authors.lastname: Li
authors.forename: Yan
authors.initials: Y
authors.lastname: Chen
authors.forename: Wei
authors.initials: W
authors.lastname: Li
authors.forename: Feng
authors.initials: F
authors.lastname: Li
authors.forename: Baoting
authors.initials: B
authors.lastname: Liu
authors.forename: Xiangyi
authors.initials: X
authors.lastname: Zhang