Evolution of the Structure and Magnetic Properties of Ni@C Composite Nanoparticles upon Annealing
— Nanopowders Ni@C synthesized by gas condensation have a core-shell structure. The size of the core is 2–10 nm and the thickness of the shell is 1–3 nm. The changes in the magnetic properties and the structure of these particles upon annealing in the 100–1100°C temperature range are investigated in...
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| Veröffentlicht in: | Physics of metals and metallography 2019-03, Vol.120 (3), p.228-232 |
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| creator | Uimin, M. A. Novikov, S. I. Konev, A. S. Byzov, I. V. Yermakov, A. Ye Minin, A. S. Privalova, D. V. Gaviko, V. S. Shchegoleva, N. N. |
| description | —
Nanopowders Ni@C synthesized by gas condensation have a core-shell structure. The size of the core is 2–10 nm and the thickness of the shell is 1–3 nm. The changes in the magnetic properties and the structure of these particles upon annealing in the 100–1100°C temperature range are investigated in this work. Analysis of changes in the magnetic properties, the structure, and the chemical stability shows that the core of the particles in the initial state after synthesis is a supersaturated solid solution of carbon in nickel, which decomposes into nickel and carbon upon high-temperature annealing. Rather slow cooling of nickel particles causes the carbon shell to form. The shell ensures their chemical stability. |
| doi_str_mv | 10.1134/S0031918X19030141 |
| format | Article |
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Nanopowders Ni@C synthesized by gas condensation have a core-shell structure. The size of the core is 2–10 nm and the thickness of the shell is 1–3 nm. The changes in the magnetic properties and the structure of these particles upon annealing in the 100–1100°C temperature range are investigated in this work. Analysis of changes in the magnetic properties, the structure, and the chemical stability shows that the core of the particles in the initial state after synthesis is a supersaturated solid solution of carbon in nickel, which decomposes into nickel and carbon upon high-temperature annealing. Rather slow cooling of nickel particles causes the carbon shell to form. The shell ensures their chemical stability.</description><identifier>ISSN: 0031-918X</identifier><identifier>EISSN: 1555-6190</identifier><identifier>DOI: 10.1134/S0031918X19030141</identifier><language>eng</language><publisher>Moscow: Pleiades Publishing</publisher><subject>Analysis ; Annealing ; Carbon ; Chemistry and Materials Science ; Containers ; Core-shell structure ; Corrosion resistance ; Electrical and Magnetic Properties ; High temperature ; Magnetic properties ; Materials Science ; Metallic Materials ; Nanoparticles ; Nickel ; Nickel (Metal) ; Organic chemistry ; Shell stability ; Shells ; Solid solutions</subject><ispartof>Physics of metals and metallography, 2019-03, Vol.120 (3), p.228-232</ispartof><rights>Pleiades Publishing, Ltd. 2019</rights><rights>COPYRIGHT 2019 Springer</rights><rights>Copyright Springer Nature B.V. 2019</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c355t-224de4c45577c3469263f50852c7514172da88e3c1d7ba4bfc5db8947b7df19e3</citedby><cites>FETCH-LOGICAL-c355t-224de4c45577c3469263f50852c7514172da88e3c1d7ba4bfc5db8947b7df19e3</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://link.springer.com/content/pdf/10.1134/S0031918X19030141$$EPDF$$P50$$Gspringer$$H</linktopdf><linktohtml>$$Uhttps://link.springer.com/10.1134/S0031918X19030141$$EHTML$$P50$$Gspringer$$H</linktohtml><link.rule.ids>315,782,786,27933,27934,41497,42566,51328</link.rule.ids></links><search><creatorcontrib>Uimin, M. A.</creatorcontrib><creatorcontrib>Novikov, S. I.</creatorcontrib><creatorcontrib>Konev, A. S.</creatorcontrib><creatorcontrib>Byzov, I. V.</creatorcontrib><creatorcontrib>Yermakov, A. Ye</creatorcontrib><creatorcontrib>Minin, A. S.</creatorcontrib><creatorcontrib>Privalova, D. V.</creatorcontrib><creatorcontrib>Gaviko, V. S.</creatorcontrib><creatorcontrib>Shchegoleva, N. N.</creatorcontrib><title>Evolution of the Structure and Magnetic Properties of Ni@C Composite Nanoparticles upon Annealing</title><title>Physics of metals and metallography</title><addtitle>Phys. Metals Metallogr</addtitle><description>—
Nanopowders Ni@C synthesized by gas condensation have a core-shell structure. The size of the core is 2–10 nm and the thickness of the shell is 1–3 nm. The changes in the magnetic properties and the structure of these particles upon annealing in the 100–1100°C temperature range are investigated in this work. Analysis of changes in the magnetic properties, the structure, and the chemical stability shows that the core of the particles in the initial state after synthesis is a supersaturated solid solution of carbon in nickel, which decomposes into nickel and carbon upon high-temperature annealing. Rather slow cooling of nickel particles causes the carbon shell to form. The shell ensures their chemical stability.</description><subject>Analysis</subject><subject>Annealing</subject><subject>Carbon</subject><subject>Chemistry and Materials Science</subject><subject>Containers</subject><subject>Core-shell structure</subject><subject>Corrosion resistance</subject><subject>Electrical and Magnetic Properties</subject><subject>High temperature</subject><subject>Magnetic properties</subject><subject>Materials Science</subject><subject>Metallic Materials</subject><subject>Nanoparticles</subject><subject>Nickel</subject><subject>Nickel (Metal)</subject><subject>Organic chemistry</subject><subject>Shell stability</subject><subject>Shells</subject><subject>Solid solutions</subject><issn>0031-918X</issn><issn>1555-6190</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2019</creationdate><recordtype>article</recordtype><recordid>eNp1kMtKAzEUhoMoWKsP4G7A9dRcJzM7S6kXqFWogrshzZypKdNkTDKCb29KBRciZ3Hg_P93bghdEjwhhPHrFcaMVKR8IxVmmHByhEZECJEXqXCMRns53-un6CyELcac84KNkJp_um6IxtnMtVl8h2wV_aDj4CFTtske1cZCNDp79q4HHw2EvXFpbmbZzO16F0yEbKms61VSdZf0oU_dptaC6ozdnKOTVnUBLn7yGL3ezl9m9_ni6e5hNl3kmgkRc0p5A1xzIaTUjBcVLVgrcCmoliLdI2mjyhKYJo1cK75utWjWZcXlWjYtqYCN0dWhb-_dxwAh1ls3eJtG1pQyKkhBmEyuycG1UR3UxrYueqVTNLAz2lloTapPRSlpVaYlEkAOgPYuBA9t3XuzU_6rJrjev77-8_rE0AMTktduwP-u8j_0DW0uhS4</recordid><startdate>20190301</startdate><enddate>20190301</enddate><creator>Uimin, M. 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A.</creatorcontrib><creatorcontrib>Novikov, S. I.</creatorcontrib><creatorcontrib>Konev, A. S.</creatorcontrib><creatorcontrib>Byzov, I. V.</creatorcontrib><creatorcontrib>Yermakov, A. Ye</creatorcontrib><creatorcontrib>Minin, A. S.</creatorcontrib><creatorcontrib>Privalova, D. V.</creatorcontrib><creatorcontrib>Gaviko, V. S.</creatorcontrib><creatorcontrib>Shchegoleva, N. N.</creatorcontrib><collection>CrossRef</collection><collection>METADEX</collection><collection>Technology Research Database</collection><collection>Materials Research Database</collection><jtitle>Physics of metals and metallography</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Uimin, M. A.</au><au>Novikov, S. I.</au><au>Konev, A. S.</au><au>Byzov, I. V.</au><au>Yermakov, A. Ye</au><au>Minin, A. S.</au><au>Privalova, D. V.</au><au>Gaviko, V. S.</au><au>Shchegoleva, N. N.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Evolution of the Structure and Magnetic Properties of Ni@C Composite Nanoparticles upon Annealing</atitle><jtitle>Physics of metals and metallography</jtitle><stitle>Phys. Metals Metallogr</stitle><date>2019-03-01</date><risdate>2019</risdate><volume>120</volume><issue>3</issue><spage>228</spage><epage>232</epage><pages>228-232</pages><issn>0031-918X</issn><eissn>1555-6190</eissn><abstract>—
Nanopowders Ni@C synthesized by gas condensation have a core-shell structure. The size of the core is 2–10 nm and the thickness of the shell is 1–3 nm. The changes in the magnetic properties and the structure of these particles upon annealing in the 100–1100°C temperature range are investigated in this work. Analysis of changes in the magnetic properties, the structure, and the chemical stability shows that the core of the particles in the initial state after synthesis is a supersaturated solid solution of carbon in nickel, which decomposes into nickel and carbon upon high-temperature annealing. Rather slow cooling of nickel particles causes the carbon shell to form. The shell ensures their chemical stability.</abstract><cop>Moscow</cop><pub>Pleiades Publishing</pub><doi>10.1134/S0031918X19030141</doi><tpages>5</tpages></addata></record> |
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| subjects | Analysis Annealing Carbon Chemistry and Materials Science Containers Core-shell structure Corrosion resistance Electrical and Magnetic Properties High temperature Magnetic properties Materials Science Metallic Materials Nanoparticles Nickel Nickel (Metal) Organic chemistry Shell stability Shells Solid solutions |
| title | Evolution of the Structure and Magnetic Properties of Ni@C Composite Nanoparticles upon Annealing |
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