FERROELECTRIC MATERIALS FOR ELECTROMECHANICAL TRANSDUCER APPLICATIONS

被引：67

作者：

CROSS, LE

机构：

[1] Intercollege Materials Research Laboratory, The Pennsylvania State University, University Park, PA

来源：

JAPANESE JOURNAL OF APPLIED PHYSICS PART 1-REGULAR PAPERS SHORT NOTES & REVIEW PAPERS | 1995年 / 34卷 / 5B期

关键词：

FERROELECTRIC MATERIALS; ELECTROMECHANICAL TRANSDUCER; LEAD ZIRCONATE-LEAD TITANATE (PZT); LEAD MAGNESIUM NIOBATE (PMN); ELECTROSTRICTIVE RELAXOR; PIEZOCERAMIC COMPOSITIONS;

D O I：

10.1143/JJAP.34.2525

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

Many advantages of ferroelectric compositions in the lead zirconate:lead titanate (PZT) solid solutions for both sensing and actuation are explored: The state of understanding of both intrinsic single domain and extrinsic domain wall and phase boundary contribution to response is described, and the composition manipulations used to modify the extrinsic responses explored. In lead magnesium niobate (PMN) based solid solution a nanometer scale ordering of Mg:Nb cations breaks up the conventional ferroelectric coupling leading to glass like relaxer ferroelectric response. The fact that problems arising from density and rigidity of PZT for large area transducers are markedly worked out in piezoceramic:polymer composites is also briefly explored.

引用

页码：2525 / 2532

页数：8

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