A novel piezoelectric interdigital transducer for the excitation of high frequency surface acoustic waves

被引：0

作者：

Daniau, W ^{[1
]}

Kumar, AKS ^{[1
]}

Paruch, P ^{[1
]}

Marré, D ^{[1
]}

Triscone, JM ^{[1
]}

Ballandras, S ^{[1
]}

机构：

[1] CNRS, Inst FEMTO ST, UMR 6174, Dept LPMO, F-25044 Besancon, France

来源：

2004 IEEE ULTRASONICS SYMPOSIUM, VOLS 1-3 | 2004年

关键词：

ferroelectries; surface acoustic waves (SAW); poled domain; AFM; piezoresponse; piezoelectric inter-digital transducer (PIT); epitaxial PZT layer;

D O I：

暂无

中图分类号：

O42 [声学];

学科分类号：

070206 ; 082403 ;

摘要：

We propose a novel piezoelectric inter-digital transducer (PIT) based on alternately poled domains of a ferroelectric thin film deposited on top of a single crystal substrate. This transducer offers an alternative to the inter-digital transducer (IDT) for the excitation of very high frequency surface acoustic waves (SAW). An experimental validation of the approach is reported in a 1-4 GHz frequency range, confirming theoretical predictions.

引用

页码：441 / 444

页数：4

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