Carbon nanotube forests as top electrode in electroacoustic resonators

Santiago Esconjauregui, Taron Makaryan, Teona Mirea, Mario DeMiguel-Ramos, Jimena Olivares, Yuzheng Guo, Hisashi Sugime, Lorenzo D'Arsié, Junwei Yang, Sunil Bhardwaj, Cinzia Cepek, John Robertson, Enrique Iborra

研究成果: Article

5 引用 (Scopus)

抄録

We grow carbon nanotube forests on piezoelectric AlN films and fabricate and characterize nanotube-based solidly mounted bulk acoustic wave resonators employing the forests as the top electrode material. The devices show values for quality factor at anti-resonance of ∼430, and at resonance of ∼100. The effective coupling coefficient is of ∼6%, and the resonant frequencies are up to ∼800 MHz above those observed with metallic top electrodes. AlN promotes a strong catalyst-support interaction, which reduces Fe catalyst mobility, and thus enforces the growth of forests by the base growth mechanism.

元の言語English
記事番号133106
ジャーナルApplied Physics Letters
107
発行部数13
DOI
出版物ステータスPublished - 2015 9 28
外部発表Yes

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electroacoustics
resonators
carbon nanotubes
electrodes
catalysts
electrode materials
coupling coefficients
resonant frequencies
Q factors
nanotubes
acoustics
interactions

ASJC Scopus subject areas

  • Physics and Astronomy (miscellaneous)

これを引用

Esconjauregui, S., Makaryan, T., Mirea, T., DeMiguel-Ramos, M., Olivares, J., Guo, Y., ... Iborra, E. (2015). Carbon nanotube forests as top electrode in electroacoustic resonators. Applied Physics Letters, 107(13), [133106]. https://doi.org/10.1063/1.4932197

Carbon nanotube forests as top electrode in electroacoustic resonators. / Esconjauregui, Santiago; Makaryan, Taron; Mirea, Teona; DeMiguel-Ramos, Mario; Olivares, Jimena; Guo, Yuzheng; Sugime, Hisashi; D'Arsié, Lorenzo; Yang, Junwei; Bhardwaj, Sunil; Cepek, Cinzia; Robertson, John; Iborra, Enrique.

:: Applied Physics Letters, 巻 107, 番号 13, 133106, 28.09.2015.

研究成果: Article

Esconjauregui, S, Makaryan, T, Mirea, T, DeMiguel-Ramos, M, Olivares, J, Guo, Y, Sugime, H, D'Arsié, L, Yang, J, Bhardwaj, S, Cepek, C, Robertson, J & Iborra, E 2015, 'Carbon nanotube forests as top electrode in electroacoustic resonators', Applied Physics Letters, 巻. 107, 番号 13, 133106. https://doi.org/10.1063/1.4932197
Esconjauregui S, Makaryan T, Mirea T, DeMiguel-Ramos M, Olivares J, Guo Y その他. Carbon nanotube forests as top electrode in electroacoustic resonators. Applied Physics Letters. 2015 9 28;107(13). 133106. https://doi.org/10.1063/1.4932197
Esconjauregui, Santiago ; Makaryan, Taron ; Mirea, Teona ; DeMiguel-Ramos, Mario ; Olivares, Jimena ; Guo, Yuzheng ; Sugime, Hisashi ; D'Arsié, Lorenzo ; Yang, Junwei ; Bhardwaj, Sunil ; Cepek, Cinzia ; Robertson, John ; Iborra, Enrique. / Carbon nanotube forests as top electrode in electroacoustic resonators. :: Applied Physics Letters. 2015 ; 巻 107, 番号 13.
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