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R. D. King-Smith and D. vanderbilt, “A First-Principles Pseudopotential Investigation of Ferroelectricity in Barium Titanate,” Ferroelectrics, Vol. 136, 1992, pp. 85-94.

has been cited by the following article:

  • TITLE: First Principles Studies on the Electronic Structure and Band Structure of Paraelectric SrTiO3 by Different Approximations

    AUTHORS: H. Salehi

    KEYWORDS: Electronic Structure, SrTiO3, WIEN2k, FP-LAPW, DFT, GGA

    JOURNAL NAME: Journal of Modern Physics, Vol.2 No.9, September 16, 2011

    ABSTRACT: The electronic structure, energy band structure, total density of states (DOS) and electronic density of perovskite SrTiO3 in the cubic phase are calculated by the using full potential-linearized augmented plane wave (FP-LAPW) method in the framework density functional theory (DFT) with the generalized gradient approximation (GGA) by WIEN2k package. The calculated band structure shows a direct band gap of 2.5 eV at the Γ point in the Brillouin zone.The total DOS is compared with experimental x-ray photoemission spectra. From the DOS analysis, as well as charge-density studies, I have conclude that the bonding between Sr and TiO2 is mainly ionic and that the TiO2 entities bond covalently.The calculated band structure and density of state of SrTiO3 are in good agreement with theoretical and experimental results.