Surface Acoustic Wave Properties of La_3Ta_<0.5>Ga_<5.5>O_<14>Single Crystals
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概要
- 論文の詳細を見る
The propagation characteristics of Rayleigh waves on a La_3Ta_<0.5>Ga_<5.5>O_<14>(LTG)substrate were theoretically investigated for all cuts and propagation directions. The material constants, such as the elastic stiffness, piezoelectric constants and their thermal coefficients, were measured by the resonant and antiresonant frequency method. The existence of orientations with zero-temperature coefficient of delay(TCD)was calculated by computer analysis. The electromechanical coupling coefficient(k^2)is about three times larger than that of ST-cut quartz. The phase velocity is approximately 2690 m/s. These results indicate a large possibility for application to wide-band intermediate-frequency surface acoustic wave(SAW)filter devices.
- 社団法人応用物理学会の論文
- 2000-05-30
著者
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KARAKI Tomoaki
Department of Electronics and Informatics, Faculty of Engineering, Toyama Prefectural University
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Karaki Tomoaki
Department Of Eiectronics And Lnformatics Faculty Of Engineering Toyama Prefectutral Universtiy
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Adachi Masatoshi
Department Of Electronics And Informatics Faculty Of Engineering Toyama Prefectural University
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Karaki T
Toyama Prefectural Univ. Toyama Jpn
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Adachi Masatoshi
Department Of Chemistry And Biotechnology Graduate School Of Engineering Tottori University
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ONOZATO Norio
Central Research & Development center of Victor Company of Japan
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Onozato Norio
Central Research & Development Center Of Victor Company Of Japan
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Adachi Masatoshi
Department of Electronics and Informatics, Faculty, of Engineering, Toyama Prefectural University
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