ELECTRON MICROSCOPY STUDY OF THE FERROELECTRIC DOMAINS AND DOMAIN WALL STRUCTURE IN Pb.52Ti.48O3

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The crystallography of the domains and domain walls in PZT are studied using electron diffraction and transmission electron microscopy. Both 90{sup o} and 180{sup o} domains are observed and the 90{sup o} domains are shown to be deformation twins with displacement along <110> on {l_brace}110{r_brace}. The thickness of the 90{sup o} domain wall is determined to be {approx}< 100 {angstrom}. Leadon Zirconate Titanate (PZT) is a ferroelectric material at room temperature and it is used extensively in piezoelectric devices. Above its Curie temperature (375 C), PZT is a cubic solid solution of lead titanate and lead zirconate. It undergoes a ... continued below

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Goo, E.K.W.; Mishra, R.K. & Thomas, G. August 1, 1980.

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The crystallography of the domains and domain walls in PZT are studied using electron diffraction and transmission electron microscopy. Both 90{sup o} and 180{sup o} domains are observed and the 90{sup o} domains are shown to be deformation twins with displacement along <110> on {l_brace}110{r_brace}. The thickness of the 90{sup o} domain wall is determined to be {approx}< 100 {angstrom}. Leadon Zirconate Titanate (PZT) is a ferroelectric material at room temperature and it is used extensively in piezoelectric devices. Above its Curie temperature (375 C), PZT is a cubic solid solution of lead titanate and lead zirconate. It undergoes a phase transformation from cubic to tetragonal phase on cooling below the Curie temperature. The strain, resulting from this transformation is accommodated by the formation of twins. Each of the twin plates is a ferroelectric domain. These domains have been examined by etching technique or by replica technique, both of which cannot provide any crystallographic information about the structure. The purpose of the present study is to characterize the nature of the domains in PZT and also to study the structure of the domain walls using transmission electron microscopy methods.

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  • Journal Name: Journal of Applied Physics; Journal Volume: 52; Journal Issue: 4

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  • Report No.: LBL-11256
  • Grant Number: DE-AC02-05CH11231
  • Office of Scientific & Technical Information Report Number: 993749
  • Archival Resource Key: ark:/67531/metadc1012269

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  • August 1, 1980

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  • Oct. 14, 2017, 8:36 a.m.

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  • Oct. 17, 2017, 8:12 p.m.

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Goo, E.K.W.; Mishra, R.K. & Thomas, G. ELECTRON MICROSCOPY STUDY OF THE FERROELECTRIC DOMAINS AND DOMAIN WALL STRUCTURE IN Pb.52Ti.48O3, article, August 1, 1980; Berkeley, California. (digital.library.unt.edu/ark:/67531/metadc1012269/: accessed November 14, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.