Electric field induced splitting of the preferred orientation in PMN-PT textured ceramics

Sreenivasulu Gollapudi, Min Gao, Jiefang Li, Yunfei Chang, Gary Lynn Messing, Richard Joseph Meyer, Jr., Dwight Viehland

Research output: Contribution to journalArticle

Abstract

We have performed studies of the orientation distribution in <001>C textured, 0.03(Na1/2Bi1/2)TiO3 - 0.97[0.715Pb(Mg1/3Nb2/3)TiO3 - 0.285PbTiO3] (0.03NBT-0.97[PMN-28.5PT]) ceramics by a pole figure method, comparing the results to those for PMN-PT single crystal and polycrystal samples. The pole figures about the (001) zone are found to have monoclinic, Ma, phase for textured ceramics in the annealed condition and were similar to those for electrically poled single crystals. However, electrical poling of the textured ceramics resulted in a doublet splitting of the orientation distribution about the direction that defined the original grain texturing. Studies of pole figures about other high-symmetry zones also revealed the development of some degree of preferred orientation along the in-plane directions after poling. Our findings demonstrate that E-field induced phase transformation and domain textures superimpose with that of preferred grain orientations, giving rise to a unique texture symmetry for PMN-PT. The texture symmetry changes are driven by minimization of the elastic strain energy, and have an important effect upon the piezoelectric properties.

Original languageEnglish (US)
Pages (from-to)5038-5044
Number of pages7
JournalJournal of the American Ceramic Society
Volume102
Issue number9
DOIs
StatePublished - Sep 1 2019

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Poles
Textures
Electric fields
Single crystals
Texturing
Polycrystals
Strain energy
Phase transitions
Direction compound

All Science Journal Classification (ASJC) codes

  • Ceramics and Composites
  • Materials Chemistry

Cite this

Gollapudi, Sreenivasulu ; Gao, Min ; Li, Jiefang ; Chang, Yunfei ; Messing, Gary Lynn ; Meyer, Jr., Richard Joseph ; Viehland, Dwight. / Electric field induced splitting of the preferred orientation in PMN-PT textured ceramics. In: Journal of the American Ceramic Society. 2019 ; Vol. 102, No. 9. pp. 5038-5044.
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Electric field induced splitting of the preferred orientation in PMN-PT textured ceramics. / Gollapudi, Sreenivasulu; Gao, Min; Li, Jiefang; Chang, Yunfei; Messing, Gary Lynn; Meyer, Jr., Richard Joseph; Viehland, Dwight.

In: Journal of the American Ceramic Society, Vol. 102, No. 9, 01.09.2019, p. 5038-5044.

Research output: Contribution to journalArticle

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