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Anand Chandrasekaran

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Related publications (3)

Please note that this is not a complete list of this person’s publications. It includes only semantically relevant works. For a full list, please refer to Infoscience.

Experimental and first-principles study of point defects, domain walls, and point-defect/domain-wall interactions in ferroelectric oxides

Anand Chandrasekaran

Ferroelectric oxides, such as lead zirconate titanate, have proved invaluable due to their excellent dielectric and piezoelectric properties. These classes of materials possess a large electric polarization below the Curie temperature. Regions of the cryst ...

EPFL2016

Asymmetric structure of 90 deg. domain walls and interactions with defects in PbTiO3

Nava Setter, Dragan Damjanovic, Nicola Marzari, Ludwig Feigl, Anand Chandrasekaran, Xiankui Wei

We investigate the atomistic structure of ferroelastic-ferroelectric 90 degrees domain walls in PbTiO3 with first-principles calculations and high-resolution scanning transmission electron microscopy. We find sharp discontinuities in the variation of latti ...

Amer Physical Soc2016

Defect ordering and defect-domain-wall interactions in PbTiO3: A first-principles study

Nava Setter, Nicola Marzari, Dragan Damjanovic, Anand Chandrasekaran

The properties of ferroelectric materials, such as lead zirconate titanate (PZT), are heavily influenced by the interaction of defects with domain walls. These defects are either intrinsic or are induced by the addition of dopants. We study here PbTiO3 (th ...

Amer Physical Soc2013