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Descripción
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| We investigate different procedures for achieving ZnO films with the c-axis tilted with respect to the normal for their application in acoustic resonators operating in the shear modes. The approach consists in combining the use of textured surfaces of different nature with off-axis sputtering, which promotes the growth of ZnO with inclined microcrystals. The rough surfaces investigated are porous-SiO2 and AlN and ZnO seed layers films specifically prepared to exhibit textured surfaces. The suitability of these films for the intended applications is tested by analyzing the frequency response of ZnO-based solidly mounted resonators. Electromechanical coupling factors for the shear modes up to 3.3% are achieved. | |
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Internacional
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Si |
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Nombre congreso
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European frequency and time forum 2014 |
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Tipo de participación
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960 |
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Lugar del congreso
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Neuchatel (Suiza) |
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Revisores
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Si |
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ISBN o ISSN
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978-1-4799-5252-6 |
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DOI
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Fecha inicio congreso
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23/06/2014 |
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Fecha fin congreso
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26/06/2014 |
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Desde la página
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297 |
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Hasta la página
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300 |
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Título de las actas
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Proceedings of the European frequency and time forum 2014 |