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  • Puteh, Mazidah  (3)
  • 1
    Online Resource
    Online Resource
    Trans Tech Publications, Ltd. ; 2015
    In:  Advanced Materials Research Vol. 1109 ( 2015-6), p. 486-490
    In: Advanced Materials Research, Trans Tech Publications, Ltd., Vol. 1109 ( 2015-6), p. 486-490
    Abstract: This study presents a soft computing based technique in the deposition parameters optimization of RF Magnetron Sputtering process. Particle Swarm Optimization (PSO) has been chosen due to its good performance in solving various optimization problems. The material used in this study was zinc oxide (ZnO) and there were four deposition parameters involved the optimization process. The deposition parameters were RF power, deposition time, oxygen flow rate and substrate temperature. The aim of the study was to obtain the optimal combination for the selected deposition parameters in order to produce the desirable ZnO thin film properties. In this study, the Desirability Function had been adapted as the fitness function for PSO. Desirability function is one of the commonly used statistical method for obtaining optimal process parameter design. The result from the PSO based optimization technique was then compared with actual laboratory result. Based on the observation made, the PSO based technique has been proven to be reliable and satisfactory in obtaining the optimal deposition parameters of ZnO thin film. It is expected that this soft computing based technique for optimizing the deposition parameters could reduce the trial and error method before the experiment is conducted in the fabrication process.
    Type of Medium: Online Resource
    ISSN: 1662-8985
    URL: Issue
    Language: Unknown
    Publisher: Trans Tech Publications, Ltd.
    Publication Date: 2015
    detail.hit.zdb_id: 2265002-7
    Location Call Number Limitation Availability
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  • 2
    Online Resource
    Online Resource
    Trans Tech Publications, Ltd. ; 2013
    In:  Advanced Materials Research Vol. 832 ( 2013-11), p. 266-269
    In: Advanced Materials Research, Trans Tech Publications, Ltd., Vol. 832 ( 2013-11), p. 266-269
    Abstract: An approach in the prediction of zinc oxide (ZnO) thin films properties based on neural network is presented in this paper. The research had been focused on the electrical properties of ZnO. The sputtering power, substrate temperature, deposition time and oxygen ratio were selected as the input variables while the resistivity and conductivity were selected as the output. The numerical results obtained through the neural network model were compared with the experimental results. The result obtained from the system model of the proposed procedure was reasonably good and promising. Therefore, the prediction based on neural network model is a reliable approach compared to the traditional method of trial-and-error process.
    Type of Medium: Online Resource
    ISSN: 1662-8985
    URL: Issue
    Language: Unknown
    Publisher: Trans Tech Publications, Ltd.
    Publication Date: 2013
    detail.hit.zdb_id: 2265002-7
    Location Call Number Limitation Availability
    BibTip Others were also interested in ...
  • 3
    Online Resource
    Online Resource
    Trans Tech Publications, Ltd. ; 2015
    In:  Advanced Materials Research Vol. 1109 ( 2015-6), p. 481-485
    In: Advanced Materials Research, Trans Tech Publications, Ltd., Vol. 1109 ( 2015-6), p. 481-485
    Abstract: A procedure for RF magnetron sputtering process parameter optimization is proposed in this paper. This study has been focusing on determining the optimal parameter combination for producing the desirable optical band gap. In this proposed procedure, Genetic Algorithm (GA) has been adapted as the optimization tool, while Artificial Neural Network (ANN) has been implemented as the prediction model. GA was adapted to search for the optimal parameter combination from the set of parameters, while later the ANN modeling had been utilized to predict the optical band gap energies for each of the parameter combinations. The result from the GA optimization is expected to produce the highest band gap value. The computational results from the proposed procedure were then compared with the actual laboratory experimental results from the ZnO thin film fabrication. Based on the comparison result, the performance of the proposed procedure had proven to be promising in determining the most optimized process parameter combination from the set of parameters.
    Type of Medium: Online Resource
    ISSN: 1662-8985
    URL: Issue
    Language: Unknown
    Publisher: Trans Tech Publications, Ltd.
    Publication Date: 2015
    detail.hit.zdb_id: 2265002-7
    Location Call Number Limitation Availability
    BibTip Others were also interested in ...
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