Demystifying Fractal Analysis of Thin Films: A Reference for Thin Film Deposition Processes

F. M. Mwema, Esther T. Akinlabi, O. P. Oladijo

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

In this article, a variety of synthetic (or simulated) surfaces of various morphologies of thin films and their fractal analyses are presented. Similar scaling factors have been used to generate the synthetic images in GwydionTM software. The surfaces are based on the actual morphologies arising from various thin film deposition techniques. Using actual thin films of CdTe deposited by radio-frequency (RF) sputtering technique, we have successfully shown that the fractal analyses on the synthetic surfaces can be used to explain, theoretically, the development and self-affinity of various thin films. Based on this validation, the results of fractal analyses on different morphologies of thin films were generated using different fractal methods in Gwydion software. The methods used here include Minkowski functionals, height-to-height correlation, areal autocorrelation, and power spectral density functions. The article will be a good resource for explaining the fractal behavior and morphology of thin films arising from different deposition methods.

Original languageEnglish
Title of host publicationTrends in Mechanical and Biomedical Design - Select Proceedings of ICMechD 2019
EditorsEsther Titilayo Akinlabi, P. Ramkumar, M. Selvaraj
PublisherSpringer Nature, Singapore
Pages213-222
Number of pages10
ISBN (Electronic)978-981-15-4488-0
ISBN (Print)978-981-15-4487-3
DOIs
Publication statusPublished - 2021
Event2nd International Conference on Mechanical Engineering Design,ICMechD 2019 - Chennai, India
Duration: Apr 25 2019Apr 26 2019

Publication series

NameLecture Notes in Mechanical Engineering
ISSN (Print)2195-4356
ISSN (Electronic)2195-4364

Conference

Conference2nd International Conference on Mechanical Engineering Design,ICMechD 2019
CountryIndia
CityChennai
Period4/25/194/26/19

All Science Journal Classification (ASJC) codes

  • Automotive Engineering
  • Aerospace Engineering
  • Mechanical Engineering
  • Fluid Flow and Transfer Processes

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