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http://dx.doi.org/10.5757/JKVS.2009.18.5.346

Errors of Surface Image Due to the Different Tip of Nano-Indenter  

Kim, Soo-In (Department of Nano & Electronic Physics, Kookmin University)
Lee, Chan-Mi (Pungmoon girl's highschool)
Lee, Chang-Woo (Department of Nano & Electronic Physics, Kookmin University)
Publication Information
Journal of the Korean Vacuum Society / v.18, no.5, 2009 , pp. 346-351 More about this Journal
Abstract
Due to the decrease of line width and increase of the integration level of the device, it is expected that 'Bottom-up' method will replace currently used 'Top-down' method. Researches about 'Bottom-up' device production such as Nanowires and Nanobelts are widely held on. To utilize these technologies in devices, properties of matter should be exactly measured. Nano-indenters are used to measure the properties of nano-scale structures. Additionally, Nano-indenters provide AFM(Atomic Force Microscopy) function to get the image of the surface and get physical properties for exact position of nano-structure using this image. However, nano-indenter tips have relatively much bigger size than ordinary AFM probes, there occurs considerable error in surface image by Nano-Indenter. Accordingly, this research used 50nm Berkovich tip and 1um $90^{\circ}$ Conical tip, which are commonly used in Nano-Indenter. To find out the surface characteristics for each kind of tip, we indented the surface of thin layer by each tip and compared surface image and indentation depth. Then, we got image of 100nm-size structure by surface scanning using Nano-Indenter and compared it with surface image gained by current AFM technology. We calculated the errors between two images and compared it with theoretical error.
Keywords
Surface Image Error; Nano-indenter; Berkovich tip; Conical tip;
Citations & Related Records
Times Cited By KSCI : 3  (Citation Analysis)
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