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- Title
Stabilities and piezoelectric properties of morphotropic phase boundary composition 0.2Pb(Mg<sub>1/3</sub>Nb<sub>2/3</sub>)O<sub>3</sub>-0.38PbZrO<sub>3</sub>-0.42PbTiO<sub>3</sub> ternary piezoceramics.
- Authors
Upadhyay, Ashutosh; Cha, Hyun Ae; Jeon, Jae-Ho
- Abstract
The phase stabilities and piezoelectric properties of morphotropic phase boundary ternary piezoceramics (0.2Pb(Mg1/3Nb2/3)O3-0.38PbZrO3-0.42PbTiO3) are investigated as a function of sintering conditions. The tetragonality (c/a) of the morphotropic phase boundary, where the rhombohedral and tetragonal phases coexist (space groups R3m and P4mm, respectively), is affected by the sintering temperature and time. This tetragonality affects the piezoelectric properties. The results demonstrate that a large tetragonality is undesirable for the piezoelectric properties. The structure and properties of morphotropic phase boundary piezoelectric materials are strongly correlated.
- Subjects
ELECTRIC properties of piezoelectric ceramics; PIEZOELECTRIC ceramics; SINTERING; PIEZOELECTRICITY; MORPHOTROPIC phase boundaries; PIEZOELECTRIC materials; LEAD zirconate titanate; LEAD magnesium niobate; TERNARY forms
- Publication
Journal of Materials Science, 2019, Vol 54, Issue 9, p6799
- ISSN
0022-2461
- Publication type
Article
- DOI
10.1007/s10853-019-03365-3