Skip to main content
Engineering LibreTexts

18.6: Examples

  • Page ID
    8288
  • \( \newcommand{\vecs}[1]{\overset { \scriptstyle \rightharpoonup} {\mathbf{#1}} } \) \( \newcommand{\vecd}[1]{\overset{-\!-\!\rightharpoonup}{\vphantom{a}\smash {#1}}} \)\(\newcommand{\id}{\mathrm{id}}\) \( \newcommand{\Span}{\mathrm{span}}\) \( \newcommand{\kernel}{\mathrm{null}\,}\) \( \newcommand{\range}{\mathrm{range}\,}\) \( \newcommand{\RealPart}{\mathrm{Re}}\) \( \newcommand{\ImaginaryPart}{\mathrm{Im}}\) \( \newcommand{\Argument}{\mathrm{Arg}}\) \( \newcommand{\norm}[1]{\| #1 \|}\) \( \newcommand{\inner}[2]{\langle #1, #2 \rangle}\) \( \newcommand{\Span}{\mathrm{span}}\) \(\newcommand{\id}{\mathrm{id}}\) \( \newcommand{\Span}{\mathrm{span}}\) \( \newcommand{\kernel}{\mathrm{null}\,}\) \( \newcommand{\range}{\mathrm{range}\,}\) \( \newcommand{\RealPart}{\mathrm{Re}}\) \( \newcommand{\ImaginaryPart}{\mathrm{Im}}\) \( \newcommand{\Argument}{\mathrm{Arg}}\) \( \newcommand{\norm}[1]{\| #1 \|}\) \( \newcommand{\inner}[2]{\langle #1, #2 \rangle}\) \( \newcommand{\Span}{\mathrm{span}}\)

    Like other dielectric materials, the predominant pyroelectric structure is the perovskite.

    Two examples are:
    0.75Pb(Mg1/3-Nb2/3)O3-0.25PbTiO3, which has a pyroelectric coefficient of −1300 μC m−2 K−1 as a single crystal.

    It is more commonly referred to as PMN-PT.

    https://www.doitpoms.ac.uk/tlplib/py...ite-PbNbO3.mp4

    Rotating crystal structure of PbMg/NbO3

    and

    Ba0.65Sr0.35TiO3, which has a pyroelectric coefficient of −7570 μC m−2 K−1.

    It is also known as BST.

    https://www.doitpoms.ac.uk/tlplib/py...e-BaSrTiO3.mp4

    Rotating crystal structure of Ba/SrTiO3

    However, there are other types of pyroelectric material which do not have a perovskite structure. Two of the more common of these will also be considered.


    18.6: Examples is shared under a CC BY-NC-SA license and was authored, remixed, and/or curated by Dissemination of IT for the Promotion of Materials Science (DoITPoMS).

    • Was this article helpful?