Prediction surface morphology of nanostructure fabricated by nano-oxidation technology

Jen Ching Huang, Ho Chang, Chin Guo Kuo, Jeen Fong Li, Yong Chin You

Research output: Contribution to journalArticle

1 Citation (Scopus)

Abstract

Atomic force microscopy (AFM) was used for visualization of a nano-oxidation technique performed on diamond-like carbon (DLC) thin film. Experiments of the nano-oxidation technique of the DLC thin film include those on nano-oxidation points and nano-oxidation lines. The feature sizes of the DLC thin film, including surface morphology, depth, and width, were explored after application of a nano-oxidation technique to the DLC thin film under different process parameters. A databank for process parameters and feature sizes of thin films was then established, and multiple regression analysis (MRA) and a back-propagation neural network (BPN) were used to carry out the algorithm. The algorithmic results are compared with the feature sizes acquired from experiments, thus obtaining a prediction model of the nano-oxidation technique of the DLC thin film. The comparative results show that the prediction accuracy of BPN is superior to that of MRA. When the BPN algorithm is used to predict nano-point machining, the mean absolute percentage errors (MAPE) of depth, left side, and right side are 8.02%, 9.68%, and 7.34%, respectively. When nano-line machining is being predicted, the MAPEs of depth, left side, and right side are 4.96%, 8.09%, and 6.77%, respectively. The obtained data can also be used to predict cross-sectional morphology in the DLC thin film treated with a nano-oxidation process.

Original languageEnglish
Pages (from-to)8437-8451
Number of pages15
JournalMaterials
Volume8
Issue number12
DOIs
Publication statusPublished - 2015 Jan 1

Fingerprint

Diamond
Carbon films
Surface morphology
Nanostructures
Diamonds
Thin films
Oxidation
Backpropagation
Neural networks
Regression analysis
Machining
Atomic force microscopy
Visualization
Experiments

Keywords

  • Atomic force microscopy (AFM)
  • Back propagation neural network (BPN)
  • Diamond-like carbon (DLC)
  • Nano-oxidation

ASJC Scopus subject areas

  • Materials Science(all)

Cite this

Prediction surface morphology of nanostructure fabricated by nano-oxidation technology. / Huang, Jen Ching; Chang, Ho; Kuo, Chin Guo; Li, Jeen Fong; You, Yong Chin.

In: Materials, Vol. 8, No. 12, 01.01.2015, p. 8437-8451.

Research output: Contribution to journalArticle

Huang, Jen Ching ; Chang, Ho ; Kuo, Chin Guo ; Li, Jeen Fong ; You, Yong Chin. / Prediction surface morphology of nanostructure fabricated by nano-oxidation technology. In: Materials. 2015 ; Vol. 8, No. 12. pp. 8437-8451.
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