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질소가스흡착법을 이용한 금속 나노분말의 프랙탈 차원결정 및 표면 특성 평가

Determination of Fractal Dimension and Surface Characterization of Metal Nano-powder Using Nitrogen Gas Adsorption Method

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참고문헌

주제분류금속공학

초록

Abstract

The surface roughness of Al, Ag and Ni nano-powders which were prepared by pulsed wire evaporation method was quantified based upon the fractal theory. The surface fractal dimensions of metal nano-powders were determined from the linear relationship between ln V/Vmono and lnln (po/p) using multi-layer gas adsorption theory. Moreover, the fractal surface image was realized by computer simulation. The relationship between preparation condition and surface characteristics of metal nano-powders was discussed in detail.

참고문헌 (11)

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  4. "Scripta Materialia", 50, pp.561~ (2004)
  5. "The fractal geometry of nature" (1983), Freeman and Company
  6. "J Electroanal Chem", 549, pp.49~ (2003)
  7. "Electrochim Acta", 51, pp.2646~ (2006)
  8. "Multilayer adsorption as a tool to investigate the fractal nature of porous adsorbents", 104, pp.625~ (1997)
  9. "Chem Mater", 13, pp.3169~ (2001)
  10. "Carbon", 41, pp.2446~ (2003)
  11. "Carbon", 1778 (2005)

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