Emission properties of cathodes based on B–N–C as a result of laser processing
Emission properties of cathodes produced under the action of laser radiation are presented. Cathodes were fabricated in nitrogen flow as a result of surface modification induced by laser treatment of the compacted samples of fine-grained graphite-like h-BN powders and 25 wt.% lamp black composite. O...
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| Veröffentlicht in: | Journal of non-crystalline solids 2011-03, Vol.357 (6), p.1504-1507 |
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| container_end_page | 1507 |
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| container_issue | 6 |
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| container_title | Journal of non-crystalline solids |
| container_volume | 357 |
| creator | Sartinska, L.L. Bloschanevich, O.M. Timofeeva, I.I. Nishchenko, M.M. Shevchenko, N.A. |
| description | Emission properties of cathodes produced under the action of laser radiation are presented. Cathodes were fabricated in nitrogen flow as a result of surface modification induced by laser treatment of the compacted samples of fine-grained graphite-like h-BN powders and 25
wt.% lamp black composite. Optical and scanning electron microscopes revealed new structures and morphologies on the surface of samples formed due to the interaction of plume of ionized B, C and N with nitrogen ambient. X-ray diffraction (XRD) study demonstrated complicated phase composition of the precipitates formed by B–N–C composite after heating by laser beam.
► Laser processing was used to fabricate an emission cathode based on B–N–C. ► Crystalline and amorphous phases based on boron nitride and carbon were formed on feedstock powder. ► Formation of carbon-bearing nanostructures cathodes results in the rise of emission properties. |
| doi_str_mv | 10.1016/j.jnoncrysol.2010.12.035 |
| format | Article |
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wt.% lamp black composite. Optical and scanning electron microscopes revealed new structures and morphologies on the surface of samples formed due to the interaction of plume of ionized B, C and N with nitrogen ambient. X-ray diffraction (XRD) study demonstrated complicated phase composition of the precipitates formed by B–N–C composite after heating by laser beam.
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wt.% lamp black composite. Optical and scanning electron microscopes revealed new structures and morphologies on the surface of samples formed due to the interaction of plume of ionized B, C and N with nitrogen ambient. X-ray diffraction (XRD) study demonstrated complicated phase composition of the precipitates formed by B–N–C composite after heating by laser beam.
► Laser processing was used to fabricate an emission cathode based on B–N–C. ► Crystalline and amorphous phases based on boron nitride and carbon were formed on feedstock powder. ► Formation of carbon-bearing nanostructures cathodes results in the rise of emission properties.</description><subject>B–N–C composite</subject><subject>Carbon</subject><subject>Cathodes</subject><subject>Compacting</subject><subject>Condensed matter: electronic structure, electrical, magnetic, and optical properties</subject><subject>Electron and ion emission by liquids and solids; impact phenomena</subject><subject>Emission</subject><subject>Emission analysis</subject><subject>Emission cathodes</subject><subject>Exact sciences and technology</subject><subject>Field emission, ionization, evaporation, and desorption</subject><subject>Laser processing</subject><subject>Laser treatment</subject><subject>Lasers</subject><subject>Nanostructure</subject><subject>Physics</subject><subject>Scanning electron microscopy</subject><subject>Surface modification</subject><issn>0022-3093</issn><issn>1873-4812</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2011</creationdate><recordtype>article</recordtype><recordid>eNqFkM1KAzEUhYMoWKvvMBtxNTV_M80sbak_UBRE1yGT3NGU6aTmTgV3voNv6JOYoUWXBkIuyXfuyT2EZIxOGGXl5Wqy6kJn4weGdsLpcM0nVBQHZMTUVORSMX5IRpRyngtaiWNygriiaU2FGpHHxdoj-tBlmxg2EHsPmIUms6Z_DS7VtUFwWXqffX9-3ac9zwxmJouA27Yf0DYRcZBbSJ26l1Ny1JgW4Wx_jsnz9eJpfpsvH27u5lfL3ApF-1wpQW0pay7rgptCWU4FmLpQrmS1nCqoqXS2YQCykdJYShvnqKuhbkrnDBNjcrHrm6zftoC9TqNYaFvTQdiiVmU1raqSq0SqHWljQIzQ6E30axM_NKN6SFGv9F-KekhRM65Tikl6vjcxaE3bRNNZj796LqqCCzl8ZrbjIE387iFqtB46C85HsL12wf9v9gMqgpCu</recordid><startdate>20110315</startdate><enddate>20110315</enddate><creator>Sartinska, L.L.</creator><creator>Bloschanevich, O.M.</creator><creator>Timofeeva, I.I.</creator><creator>Nishchenko, M.M.</creator><creator>Shevchenko, N.A.</creator><general>Elsevier B.V</general><general>Elsevier</general><scope>IQODW</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7QQ</scope><scope>7SR</scope><scope>7U5</scope><scope>8BQ</scope><scope>8FD</scope><scope>H8D</scope><scope>JG9</scope><scope>L7M</scope></search><sort><creationdate>20110315</creationdate><title>Emission properties of cathodes based on B–N–C as a result of laser processing</title><author>Sartinska, L.L. ; Bloschanevich, O.M. ; Timofeeva, I.I. ; Nishchenko, M.M. ; Shevchenko, N.A.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c380t-8830c64b24b52a58c203eab58d61b478eb04dcf1ee4f44ac00fdd0dbebf6dda13</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2011</creationdate><topic>B–N–C composite</topic><topic>Carbon</topic><topic>Cathodes</topic><topic>Compacting</topic><topic>Condensed matter: electronic structure, electrical, magnetic, and optical properties</topic><topic>Electron and ion emission by liquids and solids; impact phenomena</topic><topic>Emission</topic><topic>Emission analysis</topic><topic>Emission cathodes</topic><topic>Exact sciences and technology</topic><topic>Field emission, ionization, evaporation, and desorption</topic><topic>Laser processing</topic><topic>Laser treatment</topic><topic>Lasers</topic><topic>Nanostructure</topic><topic>Physics</topic><topic>Scanning electron microscopy</topic><topic>Surface modification</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Sartinska, L.L.</creatorcontrib><creatorcontrib>Bloschanevich, O.M.</creatorcontrib><creatorcontrib>Timofeeva, I.I.</creatorcontrib><creatorcontrib>Nishchenko, M.M.</creatorcontrib><creatorcontrib>Shevchenko, N.A.</creatorcontrib><collection>Pascal-Francis</collection><collection>CrossRef</collection><collection>Ceramic Abstracts</collection><collection>Engineered Materials Abstracts</collection><collection>Solid State and Superconductivity Abstracts</collection><collection>METADEX</collection><collection>Technology Research Database</collection><collection>Aerospace Database</collection><collection>Materials Research Database</collection><collection>Advanced Technologies Database with Aerospace</collection><jtitle>Journal of non-crystalline solids</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Sartinska, L.L.</au><au>Bloschanevich, O.M.</au><au>Timofeeva, I.I.</au><au>Nishchenko, M.M.</au><au>Shevchenko, N.A.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Emission properties of cathodes based on B–N–C as a result of laser processing</atitle><jtitle>Journal of non-crystalline solids</jtitle><date>2011-03-15</date><risdate>2011</risdate><volume>357</volume><issue>6</issue><spage>1504</spage><epage>1507</epage><pages>1504-1507</pages><issn>0022-3093</issn><eissn>1873-4812</eissn><coden>JNCSBJ</coden><abstract>Emission properties of cathodes produced under the action of laser radiation are presented. Cathodes were fabricated in nitrogen flow as a result of surface modification induced by laser treatment of the compacted samples of fine-grained graphite-like h-BN powders and 25
wt.% lamp black composite. Optical and scanning electron microscopes revealed new structures and morphologies on the surface of samples formed due to the interaction of plume of ionized B, C and N with nitrogen ambient. X-ray diffraction (XRD) study demonstrated complicated phase composition of the precipitates formed by B–N–C composite after heating by laser beam.
► Laser processing was used to fabricate an emission cathode based on B–N–C. ► Crystalline and amorphous phases based on boron nitride and carbon were formed on feedstock powder. ► Formation of carbon-bearing nanostructures cathodes results in the rise of emission properties.</abstract><cop>Oxford</cop><pub>Elsevier B.V</pub><doi>10.1016/j.jnoncrysol.2010.12.035</doi><tpages>4</tpages></addata></record> |
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| identifier | ISSN: 0022-3093 |
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| language | eng |
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| source | Elsevier ScienceDirect Journals Complete |
| subjects | B–N–C composite Carbon Cathodes Compacting Condensed matter: electronic structure, electrical, magnetic, and optical properties Electron and ion emission by liquids and solids impact phenomena Emission Emission analysis Emission cathodes Exact sciences and technology Field emission, ionization, evaporation, and desorption Laser processing Laser treatment Lasers Nanostructure Physics Scanning electron microscopy Surface modification |
| title | Emission properties of cathodes based on B–N–C as a result of laser processing |
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