In:
Journal of Physics D: Applied Physics, IOP Publishing, Vol. 45, No. 10 ( 2012-03-14), p. 105305-
Abstract:
The ternary ceramics of Pb(Yb 1/2 Nb 1/2 )O 3 –Pb(Mg 1/3 Nb 2/3 )O 3 –PbTiO 3 (PYMNT) solid solution system is prepared by a two-step synthetic process. Its structure and electrical properties are studied. All the obtained ceramics have pure perovskite structure. It is noted that the morphotropic phase boundary (MPB) of the PYMNT ternary system is not a linear region which is between the MPB compositions of PMNT and PYNT binary systems. The Curie temperature T C of the ternary system varies in the range 165–370 °C and the piezoelectric coefficient d 33 varies in the range 335–505 pC N −1 . With increasing PYNT content, the dielectric constants ε′ decrease and the coercive field E c increases. Therefore, the electric properties and T C can be adjusted by selection of composition. The results show that the PYMNT ceramic exhibits higher Curie temperature, larger coercive field and good piezoelectric properties, making it a promising material for high-power electromechanical transducers that can operate in a large temperature range.
Type of Medium:
Online Resource
ISSN:
0022-3727
,
1361-6463
DOI:
10.1088/0022-3727/45/10/105305
Language:
Unknown
Publisher:
IOP Publishing
Publication Date:
2012
detail.hit.zdb_id:
209221-9
detail.hit.zdb_id:
1472948-9
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