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Single Crystal and ...
Single Crystal and Polycrystalline 3C-SiC for MEMS Applications
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- Henry, Anne, 1959- (författare)
- Linköpings universitet,Tekniska högskolan,Halvledarmaterial
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- Janzén, Erik, 1954- (författare)
- Linköpings universitet,Tekniska högskolan,Halvledarmaterial
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Mastropaolo, E. (författare)
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Cheung, R. (författare)
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(creator_code:org_t)
- Trans Tech Publications, 2009
- 2009
- Engelska.
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Ingår i: Materials Science Forum Vols. 615-617. - : Trans Tech Publications. - 9780878493340 ; , s. 625-628
- Relaterad länk:
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https://urn.kb.se/re...
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https://doi.org/10.4...
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Abstract
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- Cantilever resonators have been fabricated from two types of materials, single crystal and polycrystalline 3C-SiC films. The films have been grown in a hot-wall chemical vapor deposition reactor on 100 mm diameter p-type boron-doped (100) Si wafer without rotation of the wafer. The crystal structure of the films have been accessed with X-ray diffraction. The cantilever devices have been fabricated using a one-step etch and release process; the beam length has been varied between 50 and 200 µm. Resonant frequencies in the range 110 KHz – 1.5 MHz and 50 – 750 KHz have been obtained for single crystal and polycrystalline SiC devices, respectively. Furthermore, the experimental resonance frequencies have been used to calculate the Young’s Modulus E for the two different types of SiC. The single crystal SiC, possessing a very high Young’s Modulus (446 GPa), should be an optimal material for RF-MEMS applications.
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- NATURAL SCIENCES
- NATURVETENSKAP
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