Growth of High-Quality Carbon Nanotudes on Free-Standing Diamond Substrates (Postprint)
Carbon nanotubes (CJTs) were grown on diamond-coated Si substrates and free-standing diamond wafers to develop efficient thermal interface materials for thermal management applications. High-quality, translucent, free-standing diamond substrates were processed in a 5 kW microwave plasma chemical vap...
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| creator | Varanasi, C Burke, J Brunke, L Lanter, W Wang, H Petry, J Yang, B T Bulmer, J S Scofield, J Barnes, P N |
| description | Carbon nanotubes (CJTs) were grown on diamond-coated Si substrates and free-standing diamond wafers to develop efficient thermal interface materials for thermal management applications. High-quality, translucent, free-standing diamond substrates were processed in a 5 kW microwave plasma chemical vapor deposition (CVD) system using CH4 as precursor. Ji and Ni-9%W-l.5% Fe catalyst islands were deposited to nucleate CNTs directly onto the diamond substrates. Randomly-oriented multi-walled CNTs forming a mat of 5 1m thickness and consisting of 20 nm diameter tubes were observed to grow in a thermal CVD system using C2H2 as precursor, Transmission electron microscopy and Raman analyses confirmed the presence of high-quality CNTs on diamond showing a DIG peak ratio of 0,2-0.3 in Raman spectra.
Prepared in cooperation with Texas A & M University, College Station, TX and University of Dayton Research Institute, Dayton, OH. and collaboration with Army Research Office, Research Traingle Park, NC. This paper contains color. PA Case Number: 88ABW-2010-1418; Clearance Date: 23 Mar 2010. Post print published in: Carbon, V48, pp 2442-2446 (2010). |
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Prepared in cooperation with Texas A & M University, College Station, TX and University of Dayton Research Institute, Dayton, OH. and collaboration with Army Research Office, Research Traingle Park, NC. This paper contains color. PA Case Number: 88ABW-2010-1418; Clearance Date: 23 Mar 2010. Post print published in: Carbon, V48, pp 2442-2446 (2010).</description><language>eng</language><subject>CARBON NANOTUBES ; CATALYST ; CATALYSTS ; CHEMICAL VAPOR DEPOSITION ; DIAMONDS ; EFFICIENCY ; Inorganic Chemistry ; INTERFACES ; MATERIALS ; MICROWAVES ; RAMAN SPECTRA ; TEMPERATURE CONTROL ; THERMAL MANAGEMENT ; THERMAL MICROWAVE ; THERMAL PROPERTIES ; Thermodynamics ; TRANSLUCENT ; TRANSMISSION ELECTRON MICROSCOPY ; TRANSMITTANCE ; WAFERS</subject><creationdate>2010</creationdate><rights>Approved for public release; distribution is unlimited.</rights><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>230,780,885,27567,27568</link.rule.ids><linktorsrc>$$Uhttps://apps.dtic.mil/sti/citations/ADA543910$$EView_record_in_DTIC$$FView_record_in_$$GDTIC$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>Varanasi, C</creatorcontrib><creatorcontrib>Burke, J</creatorcontrib><creatorcontrib>Brunke, L</creatorcontrib><creatorcontrib>Lanter, W</creatorcontrib><creatorcontrib>Wang, H</creatorcontrib><creatorcontrib>Petry, J</creatorcontrib><creatorcontrib>Yang, B T</creatorcontrib><creatorcontrib>Bulmer, J S</creatorcontrib><creatorcontrib>Scofield, J</creatorcontrib><creatorcontrib>Barnes, P N</creatorcontrib><creatorcontrib>INNOVATIVE SCIENTIFIC SOLUTIONS INC DAYTON OH</creatorcontrib><title>Growth of High-Quality Carbon Nanotudes on Free-Standing Diamond Substrates (Postprint)</title><description>Carbon nanotubes (CJTs) were grown on diamond-coated Si substrates and free-standing diamond wafers to develop efficient thermal interface materials for thermal management applications. High-quality, translucent, free-standing diamond substrates were processed in a 5 kW microwave plasma chemical vapor deposition (CVD) system using CH4 as precursor. Ji and Ni-9%W-l.5% Fe catalyst islands were deposited to nucleate CNTs directly onto the diamond substrates. Randomly-oriented multi-walled CNTs forming a mat of 5 1m thickness and consisting of 20 nm diameter tubes were observed to grow in a thermal CVD system using C2H2 as precursor, Transmission electron microscopy and Raman analyses confirmed the presence of high-quality CNTs on diamond showing a DIG peak ratio of 0,2-0.3 in Raman spectra.
Prepared in cooperation with Texas A & M University, College Station, TX and University of Dayton Research Institute, Dayton, OH. and collaboration with Army Research Office, Research Traingle Park, NC. This paper contains color. PA Case Number: 88ABW-2010-1418; Clearance Date: 23 Mar 2010. Post print published in: Carbon, V48, pp 2442-2446 (2010).</description><subject>CARBON NANOTUBES</subject><subject>CATALYST</subject><subject>CATALYSTS</subject><subject>CHEMICAL VAPOR DEPOSITION</subject><subject>DIAMONDS</subject><subject>EFFICIENCY</subject><subject>Inorganic Chemistry</subject><subject>INTERFACES</subject><subject>MATERIALS</subject><subject>MICROWAVES</subject><subject>RAMAN SPECTRA</subject><subject>TEMPERATURE CONTROL</subject><subject>THERMAL MANAGEMENT</subject><subject>THERMAL MICROWAVE</subject><subject>THERMAL PROPERTIES</subject><subject>Thermodynamics</subject><subject>TRANSLUCENT</subject><subject>TRANSMISSION ELECTRON MICROSCOPY</subject><subject>TRANSMITTANCE</subject><subject>WAFERS</subject><fulltext>true</fulltext><rsrctype>report</rsrctype><creationdate>2010</creationdate><recordtype>report</recordtype><sourceid>1RU</sourceid><recordid>eNrjZAh3L8ovL8lQyE9T8MhMz9ANLE3MySypVHBOLErKz1PwS8zLLylNSS1WAHLcilJTdYNLEvNSMvPSFVwyE3Pz81IUgkuTikuKEkuAajQC8otLCooy80o0eRhY0xJzilN5oTQ3g4yba4izh25KSWZyfHFJZl5qSbyji6OpibGloYExAWkAtHg2Rg</recordid><startdate>201003</startdate><enddate>201003</enddate><creator>Varanasi, C</creator><creator>Burke, J</creator><creator>Brunke, L</creator><creator>Lanter, W</creator><creator>Wang, H</creator><creator>Petry, J</creator><creator>Yang, B T</creator><creator>Bulmer, J S</creator><creator>Scofield, J</creator><creator>Barnes, P N</creator><scope>1RU</scope><scope>BHM</scope></search><sort><creationdate>201003</creationdate><title>Growth of High-Quality Carbon Nanotudes on Free-Standing Diamond Substrates (Postprint)</title><author>Varanasi, C ; Burke, J ; Brunke, L ; Lanter, W ; Wang, H ; Petry, J ; Yang, B T ; Bulmer, J S ; Scofield, J ; Barnes, P N</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-dtic_stinet_ADA5439103</frbrgroupid><rsrctype>reports</rsrctype><prefilter>reports</prefilter><language>eng</language><creationdate>2010</creationdate><topic>CARBON NANOTUBES</topic><topic>CATALYST</topic><topic>CATALYSTS</topic><topic>CHEMICAL VAPOR DEPOSITION</topic><topic>DIAMONDS</topic><topic>EFFICIENCY</topic><topic>Inorganic Chemistry</topic><topic>INTERFACES</topic><topic>MATERIALS</topic><topic>MICROWAVES</topic><topic>RAMAN SPECTRA</topic><topic>TEMPERATURE CONTROL</topic><topic>THERMAL MANAGEMENT</topic><topic>THERMAL MICROWAVE</topic><topic>THERMAL PROPERTIES</topic><topic>Thermodynamics</topic><topic>TRANSLUCENT</topic><topic>TRANSMISSION ELECTRON MICROSCOPY</topic><topic>TRANSMITTANCE</topic><topic>WAFERS</topic><toplevel>online_resources</toplevel><creatorcontrib>Varanasi, C</creatorcontrib><creatorcontrib>Burke, J</creatorcontrib><creatorcontrib>Brunke, L</creatorcontrib><creatorcontrib>Lanter, W</creatorcontrib><creatorcontrib>Wang, H</creatorcontrib><creatorcontrib>Petry, J</creatorcontrib><creatorcontrib>Yang, B T</creatorcontrib><creatorcontrib>Bulmer, J S</creatorcontrib><creatorcontrib>Scofield, J</creatorcontrib><creatorcontrib>Barnes, P N</creatorcontrib><creatorcontrib>INNOVATIVE SCIENTIFIC SOLUTIONS INC DAYTON OH</creatorcontrib><collection>DTIC Technical Reports</collection><collection>DTIC STINET</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>Varanasi, C</au><au>Burke, J</au><au>Brunke, L</au><au>Lanter, W</au><au>Wang, H</au><au>Petry, J</au><au>Yang, B T</au><au>Bulmer, J S</au><au>Scofield, J</au><au>Barnes, P N</au><aucorp>INNOVATIVE SCIENTIFIC SOLUTIONS INC DAYTON OH</aucorp><format>book</format><genre>unknown</genre><ristype>RPRT</ristype><btitle>Growth of High-Quality Carbon Nanotudes on Free-Standing Diamond Substrates (Postprint)</btitle><date>2010-03</date><risdate>2010</risdate><abstract>Carbon nanotubes (CJTs) were grown on diamond-coated Si substrates and free-standing diamond wafers to develop efficient thermal interface materials for thermal management applications. High-quality, translucent, free-standing diamond substrates were processed in a 5 kW microwave plasma chemical vapor deposition (CVD) system using CH4 as precursor. Ji and Ni-9%W-l.5% Fe catalyst islands were deposited to nucleate CNTs directly onto the diamond substrates. Randomly-oriented multi-walled CNTs forming a mat of 5 1m thickness and consisting of 20 nm diameter tubes were observed to grow in a thermal CVD system using C2H2 as precursor, Transmission electron microscopy and Raman analyses confirmed the presence of high-quality CNTs on diamond showing a DIG peak ratio of 0,2-0.3 in Raman spectra.
Prepared in cooperation with Texas A & M University, College Station, TX and University of Dayton Research Institute, Dayton, OH. and collaboration with Army Research Office, Research Traingle Park, NC. This paper contains color. PA Case Number: 88ABW-2010-1418; Clearance Date: 23 Mar 2010. Post print published in: Carbon, V48, pp 2442-2446 (2010).</abstract><oa>free_for_read</oa></addata></record> |
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| subjects | CARBON NANOTUBES CATALYST CATALYSTS CHEMICAL VAPOR DEPOSITION DIAMONDS EFFICIENCY Inorganic Chemistry INTERFACES MATERIALS MICROWAVES RAMAN SPECTRA TEMPERATURE CONTROL THERMAL MANAGEMENT THERMAL MICROWAVE THERMAL PROPERTIES Thermodynamics TRANSLUCENT TRANSMISSION ELECTRON MICROSCOPY TRANSMITTANCE WAFERS |
| title | Growth of High-Quality Carbon Nanotudes on Free-Standing Diamond Substrates (Postprint) |
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