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http://dx.doi.org/10.4150/KPMI.2009.16.2.138

Applications of Nanomanipulator in Nanowires  

Yoon, Sang-Won (Nano Materials Analysis Center, Korea Institute of Science and Technology)
Seo, Jong-Hyun (Nano Materials Analysis Center, Korea Institute of Science and Technology)
Ahn, Jae-Pyoung (Nano Materials Analysis Center, Korea Institute of Science and Technology)
Seong, Tae-Yeon (Department of Materials Science and Engineering, Korea University)
Lee, Kon-Bae (School of Advanced Materials Engineering, Kookmin University)
Publication Information
Journal of Powder Materials / v.16, no.2, 2009 , pp. 138-145 More about this Journal
Abstract
The combination of focused ion beam (FIB) and 4 point probe nanomanipulator could make various nano manufacturing and electrical measurements possible. In this study, we manufactured individual ZnO nanowire devices and measured those electrical properties. In addition, tensile experiments of metallic Au and Pd nanowires was performed by the same directional alignment of two nanomanipulators and a nanowire. It was confirmed from I-V curves that Ohmic contact is formed between electrodes and nanomanipulators, which is able to directly measure the electrical properties of a nanowire itself. In the mechanical tensile test, Au and Pd nanowires showed a totally different fracture behavior except the realignment from <110> to <002>. The deformation until the fracture was governed by twin for Au and by slip for Pd nanowires, respectively. The crystallographic relationship and fracture mechanism was discussed by TEM observations.
Keywords
Nanomanipulator; FIB; Device; Nanowire; Tensile test; Electrical resistance; RTA;
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