Lattice Constant Prediction of A2BB'O6 Type Double Perovskites

  • Authors:

  • Abdul Majid;Muhammad Farooq Ahmad;Tae-Sun Choi

  • Affiliations:

  • Department of Information and Computer Sciences, Pakistan Institute of Engineering and Applied Sciences, Nilore, Pakistan and Department of Mechatronics, Gwangju Institue of Science and Technology ...;Department of Computer Science, Allama Iqbal Open University, H-8, Pakistan;Department of Mechatronics, Gwangju Institue of Science and Technology, Gwangju, S. Korea 500-712

  • Venue:
  • ICCSA '09 Proceedings of the International Conference on Computational Science and Its Applications: Part II
  • Year:
  • 2009

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Abstract

Researchers are taking interest in the computational prediction models to efficiently predict the structure of perovskites. we are using Support Vector Regression, Artificial Neural Network, Multiple Linear Regression and SPuDS program based approaches in predicting the lattice constants (LC) of double perovskites of A2 BB'O6 -type. These prediction models correlate the LC to atomic parameters i.e., size of ionic radii, electro-negativity, and oxidation state. These models are developed using training data. Their performance is then estimated for validation data. To investigate the generalization capability, 48 new perovskites are also collected from recent literature. Analysis shows that SVR based proposed models are more accurate and generalized, reducing the prediction error effectively.