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Jo, Wook
Sustainable Functional Ceramics Lab
Research Interests
  • Lead-free piezoceramics, ultra - low temperature sintering, ferroelectrics, relaxor ferroelectrics, 2D materials, magnetoelectric materials, multiferroics

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Stress-induced structural changes in La-doped BiFeO3-PbTiO3 high-temperature piezoceramics

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Title
Stress-induced structural changes in La-doped BiFeO3-PbTiO3 high-temperature piezoceramics
Author
Leist, ThorstenWebber, Kyle G.Jo, WookAulbach, EmilRoedel, JuergenPrewitt, Anderson D.Jones, Jacob L.Schmidlin, JoshHubbard, Camden R.
Keywords
Ferroelectricity; Neutron diffraction; Piezoelectricity
Issue Date
2010-10
Publisher
PERGAMON-ELSEVIER SCIENCE LTD
Citation
ACTA MATERIALIA, v.58, no.18, pp.5962 - 5971
Abstract
High-temperature piezoelectric polycrystalline ceramics of the system (1 - x)(Bi1-yLay)FeO3-xPbTiO(3) (BF-PT), which are mixed phase in their consolidated state, have been investigated by in situ neutron diffraction during the application of uniaxial compressive stress. It is suggested that the achievable strain in BF-PT is largely generated by straining of the rhombohedral phase. The results of the neutron diffraction measurements are compared and discussed with respect to the measured macroscopic ferroelastic constitutive behavior for various compositions of BF-PT.
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DOI
10.1016/j.actamat.2010.07.012
ISSN
1359-6454
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MSE_Journal Papers
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