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231224s2013 xx |||||o 00| ||eng c |
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|a 10.1109/TUFFC.2013.2630
|2 doi
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|a pubmed24n0754.xml
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|a (DE-627)NLM226327361
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|a (NLM)23549542
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|a DE-627
|b ger
|c DE-627
|e rakwb
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|a eng
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| 100 |
1 |
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|a Bardong, Jochen
|e verfasserin
|4 aut
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|a Experimental and theoretical investigations of some useful langasite cuts for high-temperature SAW applications
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|c 2013
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|a Text
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|2 rdacontent
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|a ƒaComputermedien
|b c
|2 rdamedia
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|a ƒa Online-Ressource
|b cr
|2 rdacarrier
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|a Date Completed 23.09.2013
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|a Date Revised 03.04.2013
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|a published: Print
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|a Citation Status PubMed-not-MEDLINE
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|a Passive high-temperature sensors are a most promising area of use for SAW devices. Langasite (La3Ga5SiO14; LGS) has been identified as promising piezoelectric material to meet high-temperature SAW challenges. Because it is necessary to know the material behavior for an accurate device design, the frequency¿temperature behavior of Rayleigh SAW (R-SAW) and shear-horizontal SAW (SH-SAW) LGS cuts is investigated on delay line and resonator test structures up to 700°C by RF characterization. In the range of the 434-MHz ISM band, the (0°, 22°, 90°) SH-SAW cut shows thermal behavior similar to the (0°, 138.5°, 26.7°) R-SAW cut. Associated with the (0°, 22°, 31°) cut, in which SAWs present mixed types of polarization, the (0°, 22°, 90°) SH-SAW orientation might allow differential measurements on a single substrate. In the temperature range of 400 to 500°C, delay line test devices using the SH-SAW cut show a considerable drop of signal. Theoretical analysis indicates that this newly described behavior might be a result of anisotropy effects in this cut, occurring in case of any slight misorientation of electrode alignment
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4 |
|a Journal Article
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1 |
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|a Aubert, Thierry
|e verfasserin
|4 aut
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1 |
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|a Naumenko, Natalya
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Bruckner, Gudrun
|e verfasserin
|4 aut
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1 |
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|a Salzmann, Sabine
|e verfasserin
|4 aut
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1 |
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|a Reindl, Leonhard M
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t IEEE transactions on ultrasonics, ferroelectrics, and frequency control
|d 1986
|g 60(2013), 4 vom: 21. Apr., Seite 814-23
|w (DE-627)NLM098181017
|x 1525-8955
|7 nnns
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| 773 |
1 |
8 |
|g volume:60
|g year:2013
|g number:4
|g day:21
|g month:04
|g pages:814-23
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| 856 |
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|u http://dx.doi.org/10.1109/TUFFC.2013.2630
|3 Volltext
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