Low-pressure synthesis and characterization of multiphase SiC by HWCVD using CH4/SiH4
Silicon carbide (SiC) thin films were deposited by low-pressure hot wire chemical vapor deposition (HWCVD) technique using SiH4 and CH4 gas precursors with no hydrogen dilution. Spectroscopic and structural properties of the films deposited at various methane flow rate (10–100 sccm) and low silane f...
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| Veröffentlicht in: | Vacuum 2012-02, Vol.86 (8), p.1150-1154 |
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| creator | Shariatmadar Tehrani, F. Badaruddin, M.R. Rahbari, R.G. Muhamad, M.R. Rahman, S.A. |
| description | Silicon carbide (SiC) thin films were deposited by low-pressure hot wire chemical vapor deposition (HWCVD) technique using SiH4 and CH4 gas precursors with no hydrogen dilution. Spectroscopic and structural properties of the films deposited at various methane flow rate (10–100 sccm) and low silane flow rate of 0.5 sccm were investigated. The use of low methane flow rate resulted in a sharp and intense Si–C peak in the Fourier transform infrared (FTIR) absorption spectra. The XRD spectra of the films showed the formation of SiC crystallites at low methane flow rate. The Raman spectroscopy measurements showed the coexistence of a-Si and SiC phases in the films. Increase in methane flow rate increased the carbon incorporation and deposition rate of the SiC films but also promoted the formation of amorphous Si and SiC phases in the films.
► High deposition rate silicon carbide thin films were prepared by hot wire CVD technique. ► High intensity Si–C stretching bonds were observed in the films. ► Multiphase SiC thin film was grown at higher methane flow rate. ► Nano-crystalline SiC formed at low methane and silane flow rates without using hydrogen. ► The Methane flow rate was an important parameter to control the structural properties of the film. |
| doi_str_mv | 10.1016/j.vacuum.2011.10.022 |
| format | Article |
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► High deposition rate silicon carbide thin films were prepared by hot wire CVD technique. ► High intensity Si–C stretching bonds were observed in the films. ► Multiphase SiC thin film was grown at higher methane flow rate. ► Nano-crystalline SiC formed at low methane and silane flow rates without using hydrogen. ► The Methane flow rate was an important parameter to control the structural properties of the film.</description><identifier>ISSN: 0042-207X</identifier><identifier>EISSN: 1879-2715</identifier><identifier>DOI: 10.1016/j.vacuum.2011.10.022</identifier><language>eng</language><publisher>Elsevier Ltd</publisher><subject>Carbon ; Chemical vapor deposition ; Crystallites ; Deposition ; Flow rate ; Low pressure HWCVD ; Low temperature synthesis ; Methane ; Multiphase SiC ; Phases ; Silicon carbide</subject><ispartof>Vacuum, 2012-02, Vol.86 (8), p.1150-1154</ispartof><rights>2011 Elsevier Ltd</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c335t-ff18d9d9aa2f4fc7090b5fc9b908802505eb178b25ad9c008373ee0ea9ec991a3</citedby><cites>FETCH-LOGICAL-c335t-ff18d9d9aa2f4fc7090b5fc9b908802505eb178b25ad9c008373ee0ea9ec991a3</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://dx.doi.org/10.1016/j.vacuum.2011.10.022$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>314,780,784,3548,27922,27923,45993</link.rule.ids></links><search><creatorcontrib>Shariatmadar Tehrani, F.</creatorcontrib><creatorcontrib>Badaruddin, M.R.</creatorcontrib><creatorcontrib>Rahbari, R.G.</creatorcontrib><creatorcontrib>Muhamad, M.R.</creatorcontrib><creatorcontrib>Rahman, S.A.</creatorcontrib><title>Low-pressure synthesis and characterization of multiphase SiC by HWCVD using CH4/SiH4</title><title>Vacuum</title><description>Silicon carbide (SiC) thin films were deposited by low-pressure hot wire chemical vapor deposition (HWCVD) technique using SiH4 and CH4 gas precursors with no hydrogen dilution. Spectroscopic and structural properties of the films deposited at various methane flow rate (10–100 sccm) and low silane flow rate of 0.5 sccm were investigated. The use of low methane flow rate resulted in a sharp and intense Si–C peak in the Fourier transform infrared (FTIR) absorption spectra. The XRD spectra of the films showed the formation of SiC crystallites at low methane flow rate. The Raman spectroscopy measurements showed the coexistence of a-Si and SiC phases in the films. Increase in methane flow rate increased the carbon incorporation and deposition rate of the SiC films but also promoted the formation of amorphous Si and SiC phases in the films.
► High deposition rate silicon carbide thin films were prepared by hot wire CVD technique. ► High intensity Si–C stretching bonds were observed in the films. ► Multiphase SiC thin film was grown at higher methane flow rate. ► Nano-crystalline SiC formed at low methane and silane flow rates without using hydrogen. ► The Methane flow rate was an important parameter to control the structural properties of the film.</description><subject>Carbon</subject><subject>Chemical vapor deposition</subject><subject>Crystallites</subject><subject>Deposition</subject><subject>Flow rate</subject><subject>Low pressure HWCVD</subject><subject>Low temperature synthesis</subject><subject>Methane</subject><subject>Multiphase SiC</subject><subject>Phases</subject><subject>Silicon carbide</subject><issn>0042-207X</issn><issn>1879-2715</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2012</creationdate><recordtype>article</recordtype><recordid>eNp9kD1PwzAURS0EEqXwDxg8siR9dpLGXpBQ-ChSJYZSYLMc55m6apNgJ0Xl15OqzExPurrnSu8Qcs0gZsCmk3W806bvtzEHxoYoBs5PyIiJXEY8Z9kpGQGkPOKQf5yTixDWAMCnIEZkOW--o9ZjCL1HGvZ1t8LgAtV1Rc1Ke2069O5Hd66paWPptt90rl3pgHThClru6ey9eLunfXD1Jy1m6WThZuklObN6E_Dq747J8vHhtZhF85en5-JuHpkkybrIWiYqWUmtuU2tyUFCmVkjSwlCAM8gw5LlouSZrqQBEEmeIAJqiUZKppMxuTnutr756jF0auuCwc1G19j0QbFBhBBTmcihmh6rxjcheLSq9W6r_X4oqYNFtVZHi-pg8ZAO8IDdHjEc3tg59CoYh7XBynk0naoa9__AL-0XfPA</recordid><startdate>20120229</startdate><enddate>20120229</enddate><creator>Shariatmadar Tehrani, F.</creator><creator>Badaruddin, M.R.</creator><creator>Rahbari, R.G.</creator><creator>Muhamad, M.R.</creator><creator>Rahman, S.A.</creator><general>Elsevier Ltd</general><scope>AAYXX</scope><scope>CITATION</scope><scope>7U5</scope><scope>8FD</scope><scope>L7M</scope></search><sort><creationdate>20120229</creationdate><title>Low-pressure synthesis and characterization of multiphase SiC by HWCVD using CH4/SiH4</title><author>Shariatmadar Tehrani, F. ; Badaruddin, M.R. ; Rahbari, R.G. ; Muhamad, M.R. ; Rahman, S.A.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c335t-ff18d9d9aa2f4fc7090b5fc9b908802505eb178b25ad9c008373ee0ea9ec991a3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2012</creationdate><topic>Carbon</topic><topic>Chemical vapor deposition</topic><topic>Crystallites</topic><topic>Deposition</topic><topic>Flow rate</topic><topic>Low pressure HWCVD</topic><topic>Low temperature synthesis</topic><topic>Methane</topic><topic>Multiphase SiC</topic><topic>Phases</topic><topic>Silicon carbide</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Shariatmadar Tehrani, F.</creatorcontrib><creatorcontrib>Badaruddin, M.R.</creatorcontrib><creatorcontrib>Rahbari, R.G.</creatorcontrib><creatorcontrib>Muhamad, M.R.</creatorcontrib><creatorcontrib>Rahman, S.A.</creatorcontrib><collection>CrossRef</collection><collection>Solid State and Superconductivity Abstracts</collection><collection>Technology Research Database</collection><collection>Advanced Technologies Database with Aerospace</collection><jtitle>Vacuum</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Shariatmadar Tehrani, F.</au><au>Badaruddin, M.R.</au><au>Rahbari, R.G.</au><au>Muhamad, M.R.</au><au>Rahman, S.A.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Low-pressure synthesis and characterization of multiphase SiC by HWCVD using CH4/SiH4</atitle><jtitle>Vacuum</jtitle><date>2012-02-29</date><risdate>2012</risdate><volume>86</volume><issue>8</issue><spage>1150</spage><epage>1154</epage><pages>1150-1154</pages><issn>0042-207X</issn><eissn>1879-2715</eissn><abstract>Silicon carbide (SiC) thin films were deposited by low-pressure hot wire chemical vapor deposition (HWCVD) technique using SiH4 and CH4 gas precursors with no hydrogen dilution. Spectroscopic and structural properties of the films deposited at various methane flow rate (10–100 sccm) and low silane flow rate of 0.5 sccm were investigated. The use of low methane flow rate resulted in a sharp and intense Si–C peak in the Fourier transform infrared (FTIR) absorption spectra. The XRD spectra of the films showed the formation of SiC crystallites at low methane flow rate. The Raman spectroscopy measurements showed the coexistence of a-Si and SiC phases in the films. Increase in methane flow rate increased the carbon incorporation and deposition rate of the SiC films but also promoted the formation of amorphous Si and SiC phases in the films.
► High deposition rate silicon carbide thin films were prepared by hot wire CVD technique. ► High intensity Si–C stretching bonds were observed in the films. ► Multiphase SiC thin film was grown at higher methane flow rate. ► Nano-crystalline SiC formed at low methane and silane flow rates without using hydrogen. ► The Methane flow rate was an important parameter to control the structural properties of the film.</abstract><pub>Elsevier Ltd</pub><doi>10.1016/j.vacuum.2011.10.022</doi><tpages>5</tpages></addata></record> |
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| language | eng |
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| source | Elsevier ScienceDirect Journals Complete |
| subjects | Carbon Chemical vapor deposition Crystallites Deposition Flow rate Low pressure HWCVD Low temperature synthesis Methane Multiphase SiC Phases Silicon carbide |
| title | Low-pressure synthesis and characterization of multiphase SiC by HWCVD using CH4/SiH4 |
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