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Figure 19
(a) Isosurface of charge density for PbTiO3 at 0.86 e Å−3. It is colored by the value of electrostatic potential from −0.9 (red) to 0.9 e Å (blue). (b) Isosurface of charge density for PbTiO3 at 1 e Å−3. It is colored by the amplitude of the z component of the electric field from −2.0 (red) to 2.0 e Å−2.

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ISSN: 2053-2733
Volume 64| Part 1| January 2008| Pages 232-245
https://doi.org/10.1107/S010876730706521X
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