title: An efficient methodology for measurement of the average electrical properties of single one-dimensional NiO nanorods.
abstract: We utilized a metal tantalum (Ta) ball-probe to measure the electrical properties of vertical-aligned one-dimensional (1D) nickel-oxide (NiO) nanorods. The 1D NiO nanorods (on average, ~105 nm wide and ~700 nm long) are synthesized using the hot-filament metal-oxide vapor deposition (HFMOVD) technique, and they are cubic phased and have a wide bandgap of 3.68 eV. When the 1D NiO nanorods are arranged in a large-area array in ohmic-contact with the Ta ball-probe, they acted as many parallel resistors. By means of a rigorous calculation, we can easily acquire the average resistance RNR and resistivity ρNR of a single NiO nanorod, which were approximately 3.1 × 10(13) Ω and 4.9 × 10(7) Ω.cm, respectively.
authors.affiliation: Department of Physics, National Dong Hwa University, Hualien 97401, Taiwan.
authors.forename: Ranjit A
authors.initials: RA
authors.lastname: Patil
authors.forename: Rupesh S
authors.initials: RS
authors.lastname: Devan
authors.forename: Jin-Han
authors.initials: JH
authors.lastname: Lin
authors.forename: Yung
authors.initials: Y
authors.lastname: Liou
authors.forename: Yuan-Ron
authors.initials: YR
authors.lastname: Ma