Substituent effects on the mechanical quality factor of Pb(Mg1/3Nb2/3)O3-PbTiO3 and Pb(Sc1/2Nb1/2)O3-PbTiO3 ceramics

Yun Han Chen, Kenji Uchino, Mingrong Shen, Dwight Viehland

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22 Scopus citations


The mechanical quality factor of Pb(Mg1/3Nb2/3)O3-PbTiO3(PMN-PT) and Pb(Sc1/2Nb1/2)O3-PbTiO3(PSN-PT) ceramics have been investigated for compositions close to the morphotropic phase boundary. Investigations were performed for various types of lower valent substituents on the B-site cation. These investigations have shown significant differences between the modified PMN-PT and PSN-PT crystalline solutions. In PMN-PT, lower valent substitutents had little effect upon the mechanical quality factor; however in PSN-PT it was found to be significantly increased. A crystal chemical approach is then used to explain these differences.

Original languageEnglish (US)
Pages (from-to)1455-1458
Number of pages4
JournalJournal of Applied Physics
Issue number3
StatePublished - Aug 1 2001

All Science Journal Classification (ASJC) codes

  • Physics and Astronomy(all)


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